is 4-(-10)=14 a true statement

88.9 ml of 50% dextrose and 711.1 ml of 5% dextrose solution would be needed to make 800 mL of 10% dextrose solution.

An equation is an expression that shows how numbers and variables are related to each other.

Let x represent the amount of 50% solution and y represent the amount of 5% solution

You need 800 mL of 10% dextrose solution. How much of your 50% and 5% dextrose solution will you need to mix. Hence:

x + y = 800    (1)

Also:

50% of x + 5% of y = 10% of 800

0.5x + 0.05y = 80   (2)

From both equations:

x = 88.9; y = 711.1

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The probabilities for this problem are given as follows:

a) Crazing, cracks or Right shaped - small: (4654 + 1387)/26695 = 0.226.

b) Not Crazing cracks: (26695 - 1387)/26695 = 0.948.

The parameters that are needed to calculate a probability are listed as follows:

Then the probability is calculated as the division of the number of desired outcomes by the number of total outcomes.

The total number of outcomes for this problem is given as follows:

5734 + 4654 + 1554 + 1594 + 1829 + 1387 + 1718 + 1822  + 1291 + 1602 + 1538 + 975 + 997 = 26695.

The probability for item a is given as follows:

(4654 + 1387)/26695 = 0.226.

The probability for item b is given as follows:

(26695 - 1387)/26695 = 0.948.

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The solution to the systems of equations graphically is (3, 4)

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

y = 2/3x + 2

y = 3x - 5

Next, we plot the graph of the system of the equations

See attachment for the graph

From the graph, we have solution to the system to be the point of intersection of the lines

This point is located at (3, 4)

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The minimum total distance the employee may have driven before getting stuck in traffic is approximately 7.1 miles + 1.4 miles = 8.5 miles (rounded to the nearest tenth).

To find the minimum total distance the bank employee may have driven before getting stuck in traffic, we can break down the journey into individual segments and calculate the distances between each point.

The first segment is from Branch A to Branch B. We can use the distance formula to calculate the distance between two points in the coordinate plane:

Distance AB = √[(x2 - x1)² + (y2 - y1)²]

In this case, A (-3, 1) and B (4, 2), so we have:

Distance AB = √[(4 - (-3))² + (2 - 1)²]

= √[(7)² + (1)²]

= √[49 + 1]

= √50

≈ 7.1 miles (rounded to the nearest tenth)

The second segment is from Branch B to halfway between Branch B and Branch C.

To find the coordinates of the midpoint between B and C, we can use the midpoint formula:

Midpoint BC = ( (x1 + x2) / 2, (y1 + y2) / 2 )

In this case, B (4, 2) and C (2, 0), so we have:

Midpoint BC = ( (4 + 2) / 2, (2 + 0) / 2 )

= (6 / 2, 2 / 2)

= (3, 1)

Now we can calculate the distance from B to the midpoint BC:

Distance B-Midpoint BC = √[(3 - 4)² + (1 - 2)²]

= √[(-1)² + (-1)²]

= √[1 + 1]

= √2

≈ 1.4 miles (rounded to the nearest tenth)

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The set of natural numbers and ordinal numbers are well-ordered by ∈.

For well-ordered set , it means that for any non-empty subset of natural numbers, there exists a smallest element in the subset.

For instance, the set {1, 3, 5, 7, 9} has a smallest element, which is 1 and a largest , 9.

Well-ordered sets are important in mathematics because they allow us to make certain proofs about the order of sets. For example, we can prove that for any well-ordered set, there exists a smallest element in the set. This is a powerful result that has many applications in mathematics.

Hence, the set of natural numbers is well ordered.

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The missing length for the similar triangles in this problem is given as follows:

? = 8.

Two triangles are defined as similar triangles when they share these two features listed as follows:

The proportional relationship for the side lengths in this problem is given as follows:

x/(x + 2) = 4/5.

Applying cross multiplication, the missing length is given as follows:

5x = 4(x + 2)

5x = 4x + 8

x = 8.

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A sequence of similarity transformations that maps △ABC onto △XYZ is a reflection across the x-axis, followed by a dilation with scale factor of 2 centered at the origin, and then a translation 5 units to the left and 1 unit up.

In Mathematics and Geometry, a reflection over or across the x-axis is represented by this transformation rule (x, y) → (x, -y).

By applying a reflection over or across the x-axis to triangle ABC, we have;

(x, y)                →      (x, -y)

A (0, 0)             →      (0, -(0)) = A' (0, 0)

By applying a dilation with scale factor of 2 centered at the origin, we have:

A' (0, 0)   →  A' (0 × 2, 0 × 2)   →  A'' (0, 0) 

By translating A" horizontally left by 5 units and vertically up by 1 unit, the coordinates X of △XYZ include the following:

(x, y)         →                  (x - 5, y + 1)

A'' (0, 0) →  (0 - 5, 0 + 1) → X (-5, 1)

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The power expression "w^5" can be entered as "w^5".

To represent a power using the caret symbol, follow these steps:

Start with the base variable or term, in this case, "w".

Type the caret symbol (^), which can be accessed by pressing SHIFT-6 on your keyboard.

Immediately after the caret symbol, enter the exponent or power value, in this case, "5".

The resulting power expression "w^5" represents the variable "w" raised to the power of 5.

Regarding the use of the fraction tool, it is not required to represent the power "w^5" as it does not involve any fraction. The fraction tool is typically used to enter fractions or rational expressions in the form of numerator/denominator.

Therefore, to represent the power "w^5", simply write it as "w^5" without using the fraction tool.

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Answer:

x = 5

Step-by-step explanation:

We know that BD = 2x - 1 and BC + CD = BD.  Thus, we can set the sum of (x- 3) and 7 equal to 2x - 1 to find x:

BC + CD = BD

x - 3 + 7 = 2x - 1

x + 4 = 2x - 1

x + 5 = 2x

5 = x

Thus, x = 5

Checking the validity of our answer:

We can check that our answer is correct by plugging in 5 for x in x - 3 and 2x - 1 and checking that we get the same answer on both sides of the equation:

5 - 3 + 7 = 2(5) - 1

2 + 7 = 10 - 1

9 = 9

Thus, our answer is correct.

Answer:

1,2,3

Step-by-step explanation:

:)

The constant of the proportionality is 2/3

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

x  y

3  2

The constant of the proportionality is calculated as

k = y/x

substitute the known values in the above equation, so, we have the following representation

k = 2/3

Hence, the proportionality constant is 2/3

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The solution of the equation -x² + 4 = x + 2 is at x = -2 and x = 1

An equation is an expression that shows how numbers and variables are related to each other.

Given the quadratic equation:

-x² + 4 = x + 2

Collecting like terms:

x² + x - 2 = 0

Plotting using a graph; the solution of the equation can be gotten by getting the point the graph crosses the x axis.

The solution is at x = -2 and x = 1

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The average number of garages in a house, based on the given frequency table, is approximately 2.48.

The average number of garages in a house, we need to calculate the mean using the frequency table provided.

First, we calculate the product of each value of X (the number of garages) with its corresponding frequency.

This will give us the sum of the products.

Sum of products = (1 × 15) + (2 × 23) + (3 × 35) + (4 × 10)

= 15 + 46 + 105 + 40

= 206

Next, we calculate the total frequency by summing up all the frequencies.

Total frequency = 15 + 23 + 35 + 10

= 83

Finally, we divide the sum of products by the total frequency to find the average.

Average number of garages = Sum of products / Total frequency

= 206 / 83

≈ 2.48

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Answer: 31.5938183883 units

Step-by-step explanation:

Use the distance formula to calculate the perimeter for each side:

d = √((X2-X1)^2+(Y2-Y1)^2)

Example: Coordinates for T (1,11) and U (5,7)

Distance (d) = √(5 - 1)^2 + (7 - 11)^2

= √(4)^2 + (-4)^2

= √32

= 5.6568542494924

U (5,7) and Q (3,0)

Distance = 7.2801098892805

Q (3,0) and R (-3, 0)

Distance = 6

R (-3,0) and S (-3,7)

Distance = 7

S (-3,7) and T (1,11)

Distance = 5.6568542494924

After finding the distance, add the five distances together to get the perimeter:

5.6568542494924 + 7.2801098892805 + 6 + 7 + 5.6568542494924 = 31.5938183883 units

Answer:

Looks like an exponential function (that is shifted downwards)

Step-by-step explanation:

Check the picture below.

The error that Janice made is that she did not convert the improper fraction StartFraction 130 over 30 EndFraction to a mixed number correctly in her final answer.

The error that Janice made can be identified by analyzing her calculations. Let's examine each step she took:

Step 1: 10 and StartFraction 5 over 6 EndFraction divided by 1 and two-thirds

In this step, Janice correctly converted the mixed number to an improper fraction, which becomes 10 and StartFraction 5 over 6 EndFraction = StartFraction 65 over 6 EndFraction.

Step 2: StartFraction 65 over 6 EndFraction divided by five halves

In this step, Janice attempted to divide the fractions. However, she made an error by adding the numerators and denominators instead of multiplying. This is incorrect. The correct operation for dividing fractions is to multiply the first fraction by the reciprocal of the second fraction. The reciprocal of five halves is two fifths.

Step 3: StartFraction 65 over 6 EndFraction times StartFraction 2 over 5 EndFraction

Here, Janice multiplied the fractions correctly. The product of these fractions is StartFraction 130 over 30 EndFraction.

Step 4: StartFraction 130 over 30 EndFraction = 4 and one-third

In this step, Janice attempted to convert the improper fraction to a mixed number. However, she made another error in her calculation. The fraction StartFraction 130 over 30 EndFraction is not equal to 4 and one-third. The correct conversion would yield 4 and two-sixths or 4 and one-third.

Therefore, the error that Janice made is that she did not convert the improper fraction StartFraction 130 over 30 EndFraction to a mixed number correctly in her final answer.

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Scenario 1: Calculating the cost of groceries

You are planning to go grocery shopping and need to calculate the total cost of your purchases. You know the price of each item you want to buy, and you know how many of each item you want to buy. You can use basic arithmetic to calculate the total cost of your groceries.

For example, if you want to buy 3 apples at $1.00 each, 2 bananas at $0.50 each, and 1 orange at $0.75 each, the total cost of your groceries would be:

3 apples * $1.00/apple + 2 bananas * $0.50/banana + 1 orange * $0.75/orange = $4.75

Scenario 2: Calculating the best gym membership

You are considering joining a gym, but you are not sure which membership is the best value for your money. You know the monthly cost of each membership, and you know how many times you plan to visit the gym each month. You can use basic algebra to calculate the total cost of each membership over a period of time.

For example, if the monthly cost of a basic membership is $20, the monthly cost of a premium membership is $30, and you plan to visit the gym 10 times per month, the total cost of each membership over a year would be:

Basic membership: 12 months * $20/month = $240

Premium membership: 12 months * $30/month = $360

As you can see, the premium membership is more expensive than the basic membership, but it would save you money if you plan to visit the gym more than 12 times per year.

These are just two examples of how basic arithmetic and algebra can be used to solve real-world quantitative problems. There are many other ways that these skills can be used in everyday life, such as when budgeting, tracking expenses, and calculating interest rates.

From the two column proof below, we have seen that ΔJLK = ΔLNM by SAS Congruence Postulate

The two column proof to show that ΔJLK = ΔLNM is:

Statement 1: JK || LM

Reason 1: Given

Statement 2: JK ≅ LM

Reason 2: Given

Statement 3:  ∠LJK = ∠NLM

Reason 3: Corresponding angles theorem

Statement 4: Lis the midpoint of JN.

Reason 4: Given

Statement 5: JK ≅ LN

Reason 5: Def. of Midpoint

Statement 6: ΔJLK = ΔLNM

Reason 6: SAS Congruence Postulate

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The firm's federal income tax is $57,168.

To calculate the firm's federal income tax, we need to determine its taxable income first. Taxable income is calculated by subtracting deductions from the firm's total income.

In this case, the firm's total income consists of income from operations, interest income, and dividend income.

Total income:

Income from operations = $231,000

Interest income = $23,100

Dividend income = $29,700

Total income = $231,000 + $23,100 + $29,700 = $283,800

Next, we deduct expenses from the total income. In this case, the only relevant expense is the interest paid to bondholders:

Total expenses = Interest paid to bondholders = $11,000

Taxable income = Total income - Total expenses = $283,800 - $11,000 = $272,800

Now, we can calculate the federal income tax by applying the federal tax rate of 21% to the taxable income:

Federal income tax = Taxable income * Federal tax rate

Federal income tax = $272,800 * 0.21 = $57,168

Therefore, the firm's federal income tax is $57,168.

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Based on the given scatter plot data, the graph that shows a line fitting the data is the one with a line drawn through the points 4 comma 5 and 5 comma 6.

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Answer:4x5

Step-by-step explanation:

if you round 3.8 to 4 and 4.9 to 5 then multiply that gives u 20

When the Fahrenheit temperature is 104 degrees, the corresponding Celsius temperature is 40 degrees.

To convert Fahrenheit to Celsius, we can use the formula C = 5/9 * (F - 32), where C represents the Celsius temperature and F represents the Fahrenheit temperature.

Let's substitute the Fahrenheit temperature of 104 degrees into the equation:

C = 5/9 * (104 - 32)

First, let's simplify the expression within the parentheses:

C = 5/9 * 72

To multiply 5/9 by 72, we can multiply the numerator by 72:

C = (5 * 72) / 9

Now, let's perform the multiplication:

C = 360 / 9

To simplify the fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 9:

C = 40

In summary, using the given formula C = 5/9 * (F - 32), when the Fahrenheit temperature is 104 degrees, the Celsius temperature is 40 degrees.

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The correct statement regarding the vertical asymptote of the function in this problem is given as follows:

B. The function has one vertical asymptote with an equation x = 2.

The vertical asymptotes are the values of x which are outside the domain, which in a fraction are the zeroes of the denominator.

The function in this problem is given as follows:

y = 1/(x - 2) + 3.

As the denominator must be different of zero, the equation of the vertical asymptote in this problem is given as follows:

x - 2 = 0

x = 2.

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The value of c that satisfies the condition a + b = 10 is 10.

To find the value of c such that the sum of the x- and y-intercepts of any tangent line to the curve √x + √y = √c is equal to 10, we can use the fact that the x-intercept occurs when y = 0, and the y-intercept occurs when x = 0.

First, let's find the x-intercept. When y = 0, we can substitute this value into the equation:

√x + √0 = √c

Simplifying, we have:

√x = √c

Squaring both sides of the equation, we get:

x = c

So, the x-intercept is given by (c, 0).

Next, let's find the y-intercept. When x = 0, we can substitute this value into the equation:

√0 + √y = √c

Simplifying, we have:

√y = √c

Squaring both sides of the equation, we get:

y = c

So, the y-intercept is given by (0, c).

Since we want the sum of the x- and y-intercepts to be equal to 10, we have:

c + 0 = 10

Simplifying, we find:

c = 10

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The statement that explains how you could use coordinate geometry to prove that quadrilateral ABCD is a square is:

1. Prove that all sides are congruent, and the slopes of consecutive sides are opposite reciprocals.

To prove that quadrilateral ABCD is a square, we need to demonstrate several properties. Let's examine the statement mentioned:

Prove that all sides are congruent, and the slopes of consecutive sides are opposite reciprocals.

First, let's calculate the lengths of the sides of quadrilateral ABCD using the distance formula:

Length of AB = √[(x2 - x1)^2 + (y2 - y1)^2]

= √[(1 - (-3))^2 + (7 - 5)^2]

= √[4^2 + 2^2]

= √[16 + 4]

= √20

= 2√5

Length of BC = √[(x2 - x1)^2 + (y2 - y1)^2]

= √[(3 - 1)^2 + (3 - 7)^2]

= √[2^2 + (-4)^2]

= √[4 + 16]

= √20

= 2√5

Length of CD = √[(x2 - x1)^2 + (y2 - y1)^2]

= √[(-1 - 3)^2 + (1 - 2)^2]

= √[(-4)^2 + (-1)^2]

= √[16 + 1]

= √17

Length of DA = √[(x2 - x1)^2 + (y2 - y1)^2]

= √[(-3 - (-1))^2 + (5 - 1)^2]

= √[(-2)^2 + 4^2]

= √[4 + 16]

= √20

= 2√5

We can observe that all sides AB, BC, CD, and DA have the same length, 2√5. Therefore, all sides of quadrilateral ABCD are congruent.

Next, let's calculate the slopes of the line segments AB, BC, CD, and DA:

Slope of AB = (7 - 5) / (1 - (-3)) = 2/4 = 1/2

Slope of BC = (3 - 7) / (3 - 1) = -4/2 = -2

Slope of CD = (1 - 3) / (-1 - 3) = -2/(-4) = 1/2

Slope of DA = (5 - 1) / (-3 - (-1)) = 4/(-2) = -2

We can observe that the slopes of consecutive sides AB and BC, as well as CD and DA, are opposite reciprocals of each other (1/2 and -2, -2 and 1/2). This satisfies the condition of opposite reciprocals.

Based on the analysis above, we find that all sides of quadrilateral ABCD are congruent, and the slopes of consecutive sides are opposite reciprocals. Therefore, we can conclude that quadrilateral ABCD is a square.

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The probable question could be:

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a square? (1 point) shape abcd is shown. point a is at negative 3, 5. point b is at 1, 7. point c is at 3, 3. point d is at negative 1, 1. prove that all sides are congruent, and the slopes of consecutive sides are opposite reciprocals. 2. prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and that the slopes of consecutive sides are equal. 3. prove that segments bc and cd are congruent and parallel.

The Evaluation of the function F(x+h) = 4[tex]x^{2}[/tex] + 3x - 4 is 41.

While evaluating the function F(x+h) = 4[tex]x^{2}[/tex] + 3x - 4, .we need to substitute (x+h) in place of x in the function and simplify the expression.

F(x+h) = 4[tex](x+h)^2[/tex] + 3(x+h) - 4

Expanding the squared term [tex](x+h)^2[/tex], we get:

F(x+h) = 4[tex](x^2 + 2xh + h^2)[/tex] + 3(x+h) - 4

Now, distribute and simplify:

F(x+h) = 4[tex]x^2[/tex] + 8xh + 4[tex]h^2[/tex] + 3x + 3h - 4

This is the expression for F(x+h). It is a quadratic function in terms of both x and h, with coefficients 4, 8, 4, 3, and -4.

To evaluate the function at a specific value, let's say x = 2 and h = 1, we substitute these values into the expression:

F(2+1) = 4[tex](2^2)[/tex] + 8(2)(1) + 4[tex](1^2)[/tex] + 3(2) + 3(1) - 4

= 16 + 16 + 4 + 6 + 3 - 4

= 41

Therefore, when x = 2 and h = 1, F(x+h) = 41.

Note: The above explanation provides the general evaluation process for the given function F(x+h) = 4[tex]x^2[/tex] + 3x - 4 and includes an example evaluation at specific values of x and h. The expression can be further simplified or manipulated based on specific requirements or mathematical operations.

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The question was Incomplete, Find the full content below :

Evaluate the Function F(x+h)=4[tex]x^2[/tex]+3x-4

The measure of D = 46. 8 degrees

To determine the value of angle D, we have to use the sine rule

The sine rule states that;

sin A/a = sin B/b = sin C/c

Such that;

From the information given, w have that;

sin F/DE = sin D/54

Substitute the values, we have;

sin 71/70 = sin D/54

cross multiply the values, we have;

sin D = sin 71(54)/70

Find the sine value and substitute

sin D=  (54×sin 71)/70

sin D = 54×0.9455/70

sin D = 51.06/70

Divide the values

sin D = 0.729

find the sine inverse

D = 46. 8 degrees

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No federal income taxes are withheld for a single person earning a gross biweekly salary of $780 and claiming 6 exemptions.

According to the federal tax table provided, the amount of income tax withheld depends on the gross biweekly salary and the number of withholding allowances claimed. In this case, the single person earns a gross biweekly salary of $780 and claims 6 exemptions.

Based on the tax table, we find the corresponding entry for a gross biweekly salary of $780 and 6 withholding allowances. Looking at the table, we can see that the amount of income tax withheld for this specific combination is listed as "0".

Therefore, no federal income taxes are withheld for a single person earning a gross biweekly salary of $780 and claiming 6 exemptions. The net pay for this individual would remain the same as their gross salary, as there are no deductions for federal income taxes.

It's important to note that this answer is based on the specific information provided in the tax table. Tax withholding calculations can be more complex in real-life situations, taking into account additional factors such as deductions, credits, and other tax obligations. It is always advisable to consult with a tax professional or refer to the most up-to-date tax regulations to accurately determine the federal income tax withholding for an individual's specific circumstances.

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