PLEASE HELP LOOK AT THE PHOTO BELOW

PLEASE HELP LOOK AT THE PHOTO BELOW

Answers

Answer 1
-15,15 not on axis, 0,0 on both axes, -15,0 x axis, 0,-15 y axis. you’re welcome girlie

Related Questions

Consider two random variables X and Y with joint PMF given by PXY(k,l)=1/(2^(k+l)), for k,l=1,2,3,...

Show that X and Y are independent and find the marginal PMFs of X and Y.

Find P(X^(2)+Y^(2)≤10).

Answers

Hence, the probability that X^2 + Y^2 is less than or equal to 10 is 1.

To show that X and Y are independent, we need to demonstrate that their joint probability mass function (PMF) factorizes into the product of their marginal PMFs.

The joint PMF is given by PXY(k, l) = 1/(2^(k+l)) for k, l = 1, 2, 3, ...

To find the marginal PMF of X, we sum the joint PMF over all possible values of Y:

PX(k) = ∑ PXY(k, l) = ∑ (1/(2^(k+l))) for l = 1, 2, 3, ...

Using the formula for the sum of a geometric series, we have:

PX(k) = 1/(2^k) * ∑ (1/2)^l for l = 1, 2, 3, ...

Applying the formula for the sum of an infinite geometric series, we get:

PX(k) = 1/(2^k) * (1/2) / (1 - 1/2) = 1/(2^k) for k = 1, 2, 3, ...

Therefore, the marginal PMF of X is given by PX(k) = 1/(2^k) for k = 1, 2, 3, ...

Similarly, to find the marginal PMF of Y, we sum the joint PMF over all possible values of X:

PY(l) = ∑ PXY(k, l) = ∑ (1/(2^(k+l))) for k = 1, 2, 3, ...

Using the same approach as before, we find:

PY(l) = 1/(2^l) for l = 1, 2, 3, ...

Therefore, the marginal PMF of Y is given by PY(l) = 1/(2^l) for l = 1, 2, 3, ...

Since the joint PMF can be expressed as the product of the marginal PMFs (PXY(k, l) = PX(k) * PY(l)), X and Y are independent.

Now let's find P(X^2 + Y^2 ≤ 10):

Since X and Y are independent, the joint distribution of X^2 and Y^2 is given by the product of their marginal distributions:

P(X^2 + Y^2 ≤ 10) = P(X^2 ≤ 10) * P(Y^2 ≤ 10)

To find each term, we can sum the marginal PMFs over the appropriate range:

P(X^2 ≤ 10) = PX(1) + PX(2) + PX(3) + ...

= 1/2 + 1/4 + 1/8 + ...

= 1

Similarly,

P(Y^2 ≤ 10) = PY(1) + PY(2) + PY(3) + ...

= 1/2 + 1/4 + 1/8 + ...

= 1

Therefore,

P(X^2 + Y^2 ≤ 10) = P(X^2 ≤ 10) * P(Y^2 ≤ 10) = 1 * 1 = 1

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what is a residual and what role does it play in regression?

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A residual in regression refers to the difference between the observed value and the predicted value of the dependent variable. It represents the unexplained portion of the data that the regression model fails to capture.

In regression analysis, the goal is to build a model that can predict the value of a dependent variable based on one or more independent variables. The model estimates the relationship between the independent variables and the dependent variable by fitting a line or curve through the data points. However, due to inherent variability or noise in the data, the model may not perfectly predict the observed values of the dependent variable.

Residuals are used to measure the accuracy of the regression model. They represent the vertical distance between the observed values and the corresponding predicted values on the regression line. A positive residual indicates that the observed value is higher than the predicted value, while a negative residual indicates the opposite. By calculating the residuals for each data point and examining their distribution, we can assess how well the regression model fits the data.

Analyzing the residuals can guide model improvements, such as identifying outliers, heteroscedasticity, or nonlinear relationships, and can also be used to assess the statistical assumptions of the regression model, such as independence, normality, and constant variance.

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Find the product of the complex numbers.z1 = 5(cos 20° + i sin 20°)z2 = 4(cos 10° + i sin 10°)

Answers

The product of the given complex numbers is 10√3 + 10i. To find the product of two complex numbers, we can multiply their magnitudes and add their angles. Using this formula, we can first find the magnitudes of the given complex numbers:


|z1| = 5
|z2| = 4
Next, we add their angles:
20° + 10° = 30°
Now we can write the product of the complex numbers:
z1z2 = |z1||z2|(cos 30° + i sin 30°)
z1z2 = 5 × 4(cos 30° + i sin 30°)
z1z2 = 20(cos 30° + i sin 30°)
We can simplify the cosine and sine of 30 degrees as follows:
cos 30° = √3/2
sin 30° = 1/2
Substituting these values into the expression for z1z2, we get:
z1z2 = 20(√3/2 + i/2)
z1z2 = 10√3 + 10i
Therefore, the product of the given complex numbers is 10√3 + 10i.

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An assignment of probability must obey which of the following?
A) the probability of any event must be a number between 0 and 1, inclusive
B) the sum of all the probabilities of all outcomes in the sample space must be exactly 1
C) it must obey the addition rule for disjoint events
D) all of the above

Answers

An assignment of probability must obey all of the following:

A) the probability of any event must be a number between 0 and 1, inclusive

B) the sum of all the probabilities of all outcomes in the sample space must be exactly 1

C) it must obey the addition rule for disjoint events.

An assignment of probability requires adherence to certain principles. Firstly, the probability of any event must be a number between 0 and 1, inclusive. Probability values less than 0 or greater than 1 are not valid since they fall outside the range of possible probabilities.

Secondly, the sum of all the probabilities of all outcomes in the sample space must be exactly 1. This ensures that the entire sample space is accounted for and that there are no missing or extra probabilities.

Lastly, the assignment of probability must obey the addition rule for disjoint events. According to this rule, if two events are disjoint (mutually exclusive), meaning they cannot occur simultaneously, then the probability of the union of these events is equal to the sum of their individual probabilities.

Therefore, to ensure a valid assignment of probability, all of the conditions mentioned in options A, B, and C must be satisfied. Hence, the correct answer is option D, "all of the above."

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One angle measures 96 the other two angles are in a ratio of 9:19 what are the measures of those two angles?? No explanation just answer :D

Answers

The measures of the other two angles are approximately 27.69 and 58.31 degrees.

LEARN ABOUT Angles

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match each graph with the function it represents

f(x)=√x-1

g(x)=-√x

h(x)=√x

j(x)=-√x-1​

Answers

Hope this helps you out

what is the name of the manual that psychologists use to classify mental disorders?

Answers

The manual that psychologists use to classify mental disorders is called the Diagnostic and Statistical Manual of Mental Disorders (DSM). It is a comprehensive guidebook published by the American Psychiatric Association (APA) and is currently in its fifth edition, known as DSM-5.

The DSM is widely recognized as the primary reference for diagnosing mental disorders and provides a standardized framework for clinicians, researchers, and other mental health professionals. It includes diagnostic criteria, descriptions, and guidelines for a wide range of mental disorders, such as anxiety disorders, mood disorders, schizophrenia, and personality disorders. The manual organizes disorders into different categories and subcategories, facilitating accurate diagnosis and promoting consistency in communication among professionals.

The DSM undergoes periodic revisions to reflect advancements in research, clinical practice, and understanding of mental disorders. It is designed to promote reliable and valid diagnoses, support treatment planning, and enhance communication among mental health practitioners. The latest edition, DSM-5, was published in 2013 and introduced significant changes compared to its predecessor, DSM-IV-TR, including revised diagnostic criteria and the inclusion of new disorders. The manual continues to play a crucial role in the field of psychology and psychiatry, aiding in the diagnosis and classification of mental disorders.

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use property 8 to estimate the value of the integral.y tanxdx

Answers

Answer:

he value of the integral ∫ y tan(x) dx is y sin(x) + C.

Step-by-step explanation:

Property 8 of integrals states that if we have an integral of the form ∫ f(x) g'(x) dx, it can be rewritten as ∫ f(x) dg(x), where g(x) is an antiderivative of g'(x).

In this case, we have the integral ∫ y tan(x) dx. By applying Property 8, we can rewrite it as ∫ y d(sin(x)).

Now, integrating with respect to y while treating sin(x) as a constant, we get:

∫ y d(sin(x)) = y sin(x) + C,

where C is the constant of integration.

So, using Property 8, the value of the integral ∫ y tan(x) dx is y sin(x) + C.

Graph the image of Q(

4,

8) after a reflection over the y-axis.

Answers

The image of the point after a reflection over the y-axis is (4, -8)

Calculating the image of the point after a reflection over the y-axis?

From the question, we have the following parameters that can be used in our computation:

Point = (-4, -8)

Transformation rule

A reflection over the y-axis

The rule of a reflection over the y-axis is

(x, y) = (-x, y)

Using the above as a guide, we have the following:

Image = (4, -8)

Hence the image of the point after a reflection over the y-axis is (4, -8)

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you have a 5 gallon bucket and a 3 gallon bucket how do you get 4 gallons

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To measure 4 gallons using a 5-gallon bucket and a 3-gallon bucket, follow these steps: Fill the 3-gallon bucket to its full capacity, pour the 3 gallons into the 5-gallon bucket, refill the 3-gallon bucket, and pour as much as possible into the 5-gallon bucket until it is full. The remaining amount in the 3-gallon bucket will be 4 gallons.

By using the 3-gallon bucket as a measuring tool, you can transfer specific quantities of water between the two buckets. Here's how the process works:

1. Start with both buckets empty.

2. Fill the 3-gallon bucket to its maximum capacity.

3. Pour the 3 gallons from the 3-gallon bucket into the 5-gallon bucket.

4. The 5-gallon bucket now contains 3 gallons of water.

5. Refill the 3-gallon bucket with water.

6. Pour as much water as possible from the 3-gallon bucket into the 5-gallon bucket until it reaches its maximum capacity (4 gallons).

7. The remaining water in the 3-gallon bucket is 1 gallon, resulting in a total of 4 gallons in the 5-gallon bucket.

By utilizing the capacities of the two buckets and the process of transferring water between them, you can effectively measure 4 gallons.

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A triangle has an angle that measures 130 the other two angles are in a ratio of 12:13 what are the measures of these two angles. Just the answer please it’ll work out best. Please

Answers

Answer:

24° and 26°

Explanation:

hypothetically if angle A = 130°, and the ratio of the two other angles (B and C) are 12:13, hence;

[tex]\frac{b}{c} = \frac{12}{13} \\ 13b = 12c \\ b = \frac{12}{13} c[/tex]

sum of all angles in a triangle equals 180°, therefore:

[tex]a + b + c = 180 \\ 130 + b + c = 180 \\ b + c = 50[/tex]

hence, there are two equations:

[tex]b = \frac{12}{13}c \\ b + c = 50[/tex]

replace angle B in the second equation with the first equation:

[tex]( \frac{12}{13}c) + c = 50 \\ \frac{25}{13}c = 50 \\ c = 26[/tex]

if C = 26°, then to find B:

[tex]b + c = 50 \\ b + 26 = 50 \\ b = 24[/tex]

therefore the two other angles are 24° and 26°

How do I solve this?

Answers

a)

Values of the given angles  ∠A = 123°  , ∠B = 123° ,∠C = 57.

Given ,

One angle of the figure as 123°.

Now,

∠C and 123° form linear pair.

So,

∠C + 123° = 180°

∠C = 57°

Now,

∠C and ∠B are pairs of interior angles on same side of transversal, thus they are supplementary.

∠C + ∠B = 180°

Substitute the value of ∠C

53° + ∠B = 180°

∠B = 127°

Now,

∠B and ∠A are vertically opposite angles.

Thus,

∠B = ∠A

So,

∠A = 127° .

Hence,

∠A= 127°

∠B = 127°

∠C = 57°

b)

Values of ∠D = 98°, ∠E = 98°, ∠F = 98° .

Given one angle as 82°

Now,

∠F and 82° form linear pair.

So,

∠F + 82° = 180°

∠F = 98°

Now,

∠D and ∠F are corresponding angles. Thus,

∠D = ∠F

∠D = 98° .

Now,

∠D and ∠E are vertically opposite angles.

Thus,

∠D = ∠E

∠E = 98°.

Hence,

∠D = 98°

∠E = 98°

∠F = 98°

c)

Values of ∠G = 75° and ∠H = 75°

Given one angle as 75° .

∠H and 75° are corresponding angles. Thus,

∠H = 75°

Now,

∠H and ∠G are vertically opposite angles.

So,

∠G = 75° .

Hence,

∠G = 75°

∠H = 75°

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What side is the opposite to J

Answers

Answer:

Step-by-step explanation:

L

The opposite side to angle J would be side KL. When we try to find opposites we look for the one across from the selected angle.

If the correlation between variables is 0.70, what percent of the variance is shared variance?
a. 70%
b. 30%
c. 49%
d. 51%

Answers

The answer is c. 49%.

use your grapher to determine which of the graphs matches the polar equation r = 4 cos 3θ.

Answers

Among the provided graphs, one of them matches the polar equation         r = 4 cos(3θ). Using a graphing tool, we can determine the specific graph that represents this equation.

The polar equation r = 4 cos(3θ) represents a polar curve where the distance from the origin (r) depends on the angle (θ). To identify the graph that matches this equation, we can use a polar graphing tool or software.

By plotting the equation r = 4 cos(3θ) on a polar graph, we will observe a specific pattern. The cosine function with a coefficient of 3θ indicates that the curve will have three cycles around the origin as θ increases from 0 to 2π. The amplitude of the curve is 4, meaning it extends up to 4 units from the origin.

To determine the matching graph, we compare the plotted curve of r = 4 cos(3θ) with the provided options. The correct graph will exhibit three cycles, with an amplitude of 4, and match the shape and pattern of the polar equation.

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how that the duffing equation x x fx =3 0 has a nonlinear center at the origin for all f 0

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The Duffing equation [tex]\(x'' + \epsilon x' + \omega^2 x + \alpha x^3 = 0\)[/tex] has a nonlinear center at the origin for all [tex]\(|\alpha| \neq 0\).[/tex]

Is the Duffing equation nonlinear at the origin?

The Duffing equation is a second-order nonlinear differential equation commonly used to model various physical systems. When considering the Duffing equation with a forcing term ((f(x))) equal to zero, i.e., (f(x) = 0), and setting [tex]\(\epsilon = \omega = 0\)[/tex], we obtain the simplified form [tex]\(x'' + \alpha x^3 = 0\)[/tex]. This equation has a nonlinear center at the origin for all [tex]\(\alpha \neq 0\).[/tex]

To understand this phenomenon, we need to examine the behavior of the solution (x(t)) near the origin. For small initial values of (x) and its derivative [tex]\(x'\)[/tex], the solution exhibits a periodic motion around the origin. However, as the amplitude of (x) increases, the nonlinear term [tex]\(\alpha x^3\)[/tex]becomes significant, leading to the emergence of nonlinear behavior.

When [tex]\(\alpha \neq 0\),[/tex] the nonlinear term dominates as (x) grows, causing the solution to deviate from a linear trajectory. This results in complex and intricate dynamics, including the appearance of periodic orbits, limit cycles, and chaotic behavior. The presence of a nonlinear center at the origin implies that the system exhibits intricate and nontrivial dynamics for various values of[tex]\(\alpha\).[/tex]

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I need help with math

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Answer:

12 outcomes just count the category that ahs outcomes over it. 8 outcomes with Linda or Maria just find the ones with either one of their names and count them. 3 outcomes with both John and Amanda just find the names and count the amount of outcomes.

If a rectangular prism has a lenth of 3 feet, a width of 4 feet, and a height of 5 feet and you double the width, what will happen to the volume and surface area?

Answers

The doubling the width of the rectangular prism from 4 feet to 8 feet increases the volume from 60 cubic feet to 120 cubic feet and increases the surface area from 94 square feet to 158 square feet.

What will happen to the volume and surface area of the rectangular prism?

To determine the effect on the volume and surface area, let's calculate the values before and after doubling the width:

Original dimensions:

Length = 3 feet

Width = 4 feet

Height = 5 feet

Original volume:

Volume = Length x Width x Height = 3 ft x 4 ft x 5 ft = 60 cubic feet

Original surface area:

Surface Area = 2(Length x Width + Length x Height + Width x Height)

= 2(3 ft x 4 ft + 3 ft x 5 ft + 4 ft x 5 ft)

= 2(12 ft² + 15 ft² + 20 ft²)

= 2(47 ft²)

= 94 square feet

New dimensions (after doubling the width):

Length = 3 feet

Width = 8 feet

Height = 5 feet

New volume:

Volume = Length x Width x Height = 3 ft x 8 ft x 5 ft = 120 cubic feet

New surface area:

Surface Area = 2(Length x Width + Length x Height + Width x Height)

= 2(3 ft x 8 ft + 3 ft x 5 ft + 8 ft x 5 ft)

= 2(24 ft² + 15 ft² + 40 ft²)

= 2(79 ft²)

= 158 square feet

Therefore, doubling the width of the rectangular prism from 4 feet to 8 feet increases the volume from 60 cubic feet to 120 cubic feet and increases the surface area from 94 square feet to 158 square feet.

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You live in a state with a sales tax of 5%. You buy a car for $15,000. What is the sales tax? a)$50 b)$500 c)$750 d)$1,500. c)$750.

Answers

This question is a basic math problem testing knowledge of percentages. The sales tax rate is given as 5%, and the purchase price of the car is $15,000. To calculate the sales tax, you simply need to multiply the purchase price by the tax rate (5% or 0.05): 15,000 x 0.05 = 750. Therefore, the correct answer is c) $750.
Final answer:

To calculate the sales tax on a $15,000 car with a 5% sales tax rate, you convert the percentage into decimal form, and then multiply by the purchase price. This calculation results in $750 making the correct answer option c).

Explanation:

The subject of this question is calculating the amount of sales tax for a purchase, specifically, a car. In this case, the sales tax is given as 5% of the purchase price. The purchase price of the car is $15,000.

Calculating the sales tax involves multiplying the purchase price by the sales tax rate (expressed as a decimal). Therefore, to determine the sales tax on this purchase:

Convert the sales tax from a percentage to a decimal by dividing by 100. So, 5% becomes 0.05.Multiply the purchase price by this decimal value. Therefore, $15,000 * 0.05 = $750.

The sales tax on a $15,000 car at a rate of 5% is thus $750. That makes choice c) the correct answer.

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Sam fills a bottle with 24 liters of water. Anna fills another
bottle with of that amount. Enter the amount of water, in
liters, that Anna uses to fill her bottle.

Answers

The amount of water, in liters, that Anna uses to fill her bottle is 24 liters

How to determine the value

We have to know that proportion is described as a mathematical method of comparison on the basis of size

From the information given, we have that;

Sam fills a bottle with 24 liters of water.

Anna fills another bottle with of that amount.

We can see that the size of Anna's bottle is same with that of Sam's

Then, we have that;

Since Sam fills his bottle with 24 liters of water

Anna's bottle is also filled with 24 liters of water

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find the speed over the path ()=⟨3,8ln(),(ln())3⟩ at =1. (use symbolic notation and fractions where needed.)

Answers

The speed over the path

(

)

=

3

,

8

ln

(

)

,

(

ln

(

)

)

3

r(t)=⟨3,8ln(t),(ln(t))

3

⟩ at

=

1

t=1 is

8

1

+

(

ln

(

1

)

)

2

1+(ln(1))

2

8

 or simply

8

8.

How fast is the object moving at

=

1

t=1?

Learn more about the main answer:

The speed of an object traveling along a path is the magnitude of its velocity vector. In this case, the velocity vector is the derivative of the position vector with respect to time. To find the speed, we need to differentiate the given path function

(

)

r(t) and evaluate it at

=

1

t=1. Taking the derivative, we get

(

)

=

0

,

8

,

3

(

ln

(

)

)

2

r

(t)=⟨0,

t

8

,

t

3(ln(t))

2

⟩. Substituting

=

1

t=1 into the derivative yields

(

1

)

=

0

,

8

,

3

r

(1)=⟨0,8,3⟩. The magnitude of this vector, which represents the speed, is

0

,

8

,

3

=

0

2

+

8

2

+

3

2

=

8

∣⟨0,8,3⟩∣=

0

2

+8

2

+3

2

=8.

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The speed over the path ()=⟨3,8ln(),(ln())3⟩ at =1 is √73.

To find the speed over the path r(t) = ⟨3, 8ln(t), (ln(t))³⟩ at t = 1, we can calculate the magnitude of the velocity vector.

The velocity vector v(t) is obtained by taking the derivative of the position vector r(t) with respect to t:

v(t) = dr(t)/dt = ⟨3, 8/t, 3(ln(t))²/t⟩

Now, let's substitute t = 1 into the velocity vector to find the velocity at t = 1:

v(1) = ⟨3, 8/1, 3(ln(1))²/1⟩

= ⟨3, 8, 0⟩

The magnitude of the velocity vector is given by the formula:

|v(t)| = √(v₁² + v₂² + v₃²)

Substituting the values of the velocity vector at t = 1:

|v(1)| = √(3² + 8² + 0²)

= √(9 + 64 + 0)

= √73

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pythagorean theorem calc: find a, b=12, c=37

Answers

Answer:

a = 35

Step-by-step explanation:

[tex]a^2+b^2=c^2\\a^2+12^2=37^2\\a^2+144=1369\\a^2=1225\\a=35[/tex]

find an equation of the tangent line to the curve at the given point. y = 7ex cos(x), (0, 7)

Answers

The equation of the tangent line to the curve y = 7[tex]e^x[/tex] cos(x) at the point (0, 7) is y = 7x.

To find the equation of the tangent line to the curve y = 7[tex]e^x[/tex] cos(x) at the point (0, 7), we need to find the slope of the tangent line at that point and then use the point-slope form of a line to write the equation.

First, we find the derivative of the function y = 7[tex]e^x[/tex] cos(x) using the product rule and chain rule:

y' = 7([tex]e^x[/tex])(-sin(x)) + 7[tex]e^x[/tex](cos(x))

= -7[tex]e^x[/tex] sin(x) + 7[tex]e^x[/tex] cos(x)

= 7[tex]e^x[/tex](cos(x) - sin(x))

Next, we evaluate the derivative at x = 0 to find the slope of the tangent line at the point (0, 7):

y'(0) = 7[tex]e^0[/tex](cos(0) - sin(0))

= 7(1)(1 - 0)

= 7

So, the slope of the tangent line at the point (0, 7) is 7.

Using the point-slope form of a line, we can write the equation of the tangent line:

y - y₁ = m(x - x₁)

where (x₁, y₁) is the given point (0, 7) and m is the slope 7:

y - 7 = 7(x - 0)

y - 7 = 7x

Thus, the equation of the tangent line to the curve y = 7[tex]e^x[/tex] cos(x) at the point (0, 7) is y = 7x.

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In the first half of last year, a team won 60 percent of the games it played. In the second half of last year, the team played 20 games, winning 3 of them. If the team won 50 percent of the games it played last year, what was the total number of games the team played last year?
A) 60
B) 70
C) 80
D) 90
E) 100

Answers

The total number of games the team played last year was 80 (option C). In the first half of the year, the team won 60 percent of their games, indicating that they won 6 out of every 10 games played.

In the second half of the year, the team played 20 games and won 3 of them. This means that in the second half, they won only 3 out of 20 games, which is equivalent to winning 15 percent of their games.

To find the overall percentage of games won, we can calculate the weighted average of the two percentages. Since the team won 50 percent of their games overall, we can assign equal weights to the first and second halves of the year. Therefore, the average winning percentage for the team would be the midpoint between 60 percent and 15 percent, which is (60% + 15%) / 2 = 37.5%.

Let's assume the total number of games played last year was x. Since the team won 37.5% of the games, they won 0.375x games. We can set up an equation based on the information given:

0.375x = 50% of x

0.375x = 0.5x

0.5x - 0.375x = 0

0.125x = 0

x = 0 / 0.125

x = 0

However, we have arrived at an invalid result. It seems there is an error in the information provided or the calculations made.

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need help pleaseeeeeeeeeeeeeeeeeee

Answers

No not at all I just don’t feel like it

Let x be a solution to the m×n homogeneous linear system of equations Ax=0. Explain why x is orthogonal to the row vectors of A.

Answers

if x is a solution to the m×n homogeneous linear system of equations Ax=0, then x is orthogonal to the row vectors of A.

First, let's define some terms. A homogeneous linear system of equations is a set of equations where all the constants are zero, meaning that the equations take the form Ax=0, where A is an m×n matrix and x is an n-dimensional vector.
Now, suppose that x is a solution to the homogeneous linear system Ax=0. This means that when we substitute x into the equation, we get 0 as the result.
Let's also recall the definition of orthogonal vectors. Two vectors are orthogonal if their dot product (also called inner product) is zero. The dot product of two vectors v and w is defined as v•w = v1w1 + v2w2 + ... + vnwn, where v1, v2, ..., vn are the components of vector v and w1, w2, ..., wn are the components of vector w.
With these definitions in mind, we can now prove that x is orthogonal to the row vectors of A.
Suppose that A has m rows, which we denote by 1, a2, ..., am. Since x is a solution to the homogeneous linear system Ax=0, we have the following system of equations:
a1•x = 0
a2•x = 0
...
am•x = 0
To see why x is orthogonal to the row vectors of A, consider the dot product of x with the ith row vector ai:
ai•x = (ai1)x1 + (ai2)x2 + ... + (ain)xn
But we know that x is a solution to the homogeneous linear system, so we have ai•x = 0 for all i. This means that x is orthogonal to each of the row vectors of A.

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if firstnumber > secondnumber: if firstnumber > thirdnumber: largest = firstnumber elif secondnumber > thirdnumber: if secondnumber > firstnumber: largest = secondnumber else: largest = thirdnumber

Answers

The provided code snippet is a nested if-elif-else conditional block in Python, aiming to find the largest number among three variables: firstnumber, secondnumber, and thirdnumber. Here's a brief explanation of the code:


1. If 'firstnumber' is greater than 'secondnumber', the code checks if 'firstnumber' is also greater than 'thirdnumber'. If true, 'firstnumber' is assigned as the 'largest' value.
2. If 'firstnumber' is not greater than 'thirdnumber', the code moves to the next elif condition.
3. The elif condition checks if 'secondnumber' is greater than 'thirdnumber' and if 'secondnumber' is greater than 'firstnumber'. If both conditions are true, 'secondnumber' is assigned as the 'largest' value.
4. If the conditions in the if and elif statements are not met, the code moves to the else block and assigns 'thirdnumber' as the 'largest' value.
This code effectively finds the largest number among the three input values and stores it in the 'largest' variable.

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The dot plot shows the number of text messages sent by 10 students in one day.

Determine the range of the set:

(1 ) (3) (3) (1) (0) (2)
10. 11. 12. 13. 14. 15.
The number of text messages sent:

Answers

The range of the dataset obtained from the difference between the maximum and minimum value is 5.

Range of a distribution

The range of a distribution or dataset is obtained by subtracting the maximum and minimum values in the distribution.

Range = Maximum - Minimum

From the dataset :

Maximum number of messages sent = 15

Minimum number of messages sent = 10

Range = 15 - 10 = 5

The value of the range in the dataset is 5

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The range of the set {10, 11, 11, 11, 13, 15, 15} is R = 5.

How to determine the range of a set?

For a set of numbers {x₁, x₂, ..., xₙ}

The range is defined as the difference between the largest value and the smallest value.

In this case, we have the set:

{10, 11, 11, 11, 13, 15, 15}

The largest value is 15, and the smallest value is 10, then the range of this set will be:

Range = 15 - 10

Range = 5

The range of the set is 5 units.

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Which of the following hypotheses has the appropriate form for a null? hypothesis?
Choose the correct answer below.
A. P=0.30
B. P>0.30
C. P ?0.30
D. P <0.30

Answers

The appropriate form for a null hypothesis is a statement of no effect or no relationship between variables. In the given options, option C, "P ?0.30," has the appropriate form for a null hypothesis.

A null hypothesis is a statement that assumes there is no significant effect or relationship between variables. It represents the absence of a particular effect or relationship that is being investigated.

In the given options:

A. P=0.30: This option represents a specific value for 'P' and does not reflect the form of a null hypothesis, which should state no effect or relationship.

B. P>0.30: This option represents an alternative hypothesis, as it suggests a specific direction of an effect or relationship, rather than stating no effect.

C. P ?0.30: This option has the appropriate form for a null hypothesis. The symbol "?" indicates that 'P' can be equal to, greater than, or less than 0.30, allowing for a comprehensive statement of no effect or relationship.

D. P<0.30: This option also represents an alternative hypothesis, as it suggests a specific direction of an effect or relationship, rather than stating no effect.

Therefore, option C, "P ?0.30," has the appropriate form for a null hypothesis.

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Please help!!! Correct answer gets brainliest!!

Answers

Answer:

C will be the perfect answer

Answer: C

Step-by-step explanation: inches squared means the number must be multiplied by itself because it is an exponent. So if the measurements are 612 by 612, it is the correct answer because it means the same thing.

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