x² at x = 3 what is the answer pleas help

We can convert fps to mph by using the relation, one mph = 1.18 fps.

One fps means one foot per second and one mph means one mile per hour. Foot and mile are the units of distance and second and hour are the units or time.

We have to convert fps to mph.

As per the standard unit conversion rates, we know,

One mile = 5280 foot.

Also, one hour = 3600 seconds.

So, if we want to convert, we should write,

= mph

= 4280/3600

= 1.18 fps.

So, now we have a standard relation that says, one mph is equal to 1.18 fps.

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To value of volume 750 ml after converting to cups is 3.17 cups.

The conversion is useful when you need to measure liquids in cups instead of milliliters, especially if you are following a recipe that is written in cups instead of milliliters.

To convert 750ml to cups, you need to know that one cup is equal to 236.6ml. Knowing how to make the conversion can help you get the right measurements and produce accurate results in your cooking or baking. To do the conversion, divide 750 by 236.6 to get the answer in cups.

So, 750ml / 236.6ml per cup = 3.17 cups (rounded to the nearest hundredth).

Therefore, volume of 750ml is equivalent to 3.17 cups.

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A predator-prey dynamical system is a type of mathematical model that describes the interactions between two species in an ecosystem, where one species (the predator) hunts and consumes the other (the prey).

In a predator-prey dynamical system, the populations of the predator and prey are modeled as differential equations that describe how their populations change over time. The predator population increases as it consumes prey, while the prey population decreases due to predation. These changes in population are influenced by a variety of factors, including the availability of food, the reproductive rates of the species, and the density-dependent effects of the population on its own growth.

Predator-prey models have been used to study a wide range of ecological systems, from small-scale interactions between insects and plants to large-scale predator-prey relationships in the African savanna. They are also used in fields such as epidemiology, economics, and engineering to model other types of interacting systems.

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Complete question:

what is the predator-prey dynamical system?

Answer: 3:20

Step-by-step explanation:

Answer:  She will be finished by 3:20.

Step-by-step explanation: The time at which she started = 1:40

Adding 1 hour 40 minutes to the given time = 1:40 + 1:00 = 2:40

Adding 20 minutes to it, time becomes = 3:00

Adding 20 more minutes (20+20 =40), final time = 3:20.

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Answer:  30%

Step-by-step explanation:

The answer for this will be 30% as there are 15 left-handed men and 50 men in total. 30% of men are left handed therefore the possibility to chose a left handed man is 30%

We can write the values of the function g(- 2) = 1/2 and

g(2) = 128.

An algebraic expression is a combination of terms both constants and variables. For example -

2x + 3y + z

3x + y

Given is the exponential function as -

f(x) = 8(1/4)ˣ

If the function f(x) is reflected across the {y} - axis, then the new function g(x) will be -

g(x) = f(-x)

So, we can write -

g(x) = 8(1/4)⁻ ˣ

Now, we can write -

g(- 2) = f(2) = 1/2

g(2) = f(-2) = 128

Therefore, we can write the values of the function g(- 2) = 1/2 and

g(2) = 128.

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Answer:

[tex]15.6 \div 100 = .156[/tex]

Step-by-step explanation:

100 is 10 to the second power. Since you are dividing, move the decimal point in 15.6 two places to the left. So .156 is your answer.

Answer:0.156

Step-by-step explanation:

Therefore, the time spent traveling at 60mph is 1.5 hours, and the time spent traveling at 80mph is 2(1.5) = 3 hours.

Time spent traveling at 60mph = 1.5 hours

Time spent traveling at 80mph = 3 hours

To calculate the distance between two locations, use the distance formula, a Pythagorean theorem application. The Pythagorean Theorem can be rewritten as d=((x 2-x 1)2+(y 2-y 1)2) to get the distance between any two points.

Let's denote the time spent traveling at 60mph as "t", then the time spent traveling at 80mph is "2t" because the second part of the trip is twice as long as the first part.

We can use the formula:

distance = speed x time

To calculate the distance traveled in each part of the trip, then we can set up the following equations:

distance traveled at 60mph = 60t

distance traveled at 80mph = 80(2t) = 160t

The total distance traveled is given as 330 miles, so we can set up the equation:

60t + 160t = 330

220t = 330

t = 1.5 hours

Therefore, the time spent traveling at 60mph is 1.5 hours, and the time spent traveling at 80mph is 2(1.5) = 3 hours.

Time spent traveling at 60mph = 1.5 hours

Time spent traveling at 80mph = 3 hours

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Answer:

-1/2

Step-by-step explanation:

To find the slope between two points, we use the formula:

slope = (y2 - y1) / (x2 - x1)

where (x1, y1) and (x2, y2) are the coordinates of the two points.

Using the coordinates (-6, 5) and (-4, 4), we can plug in the values to get:

slope = (4 - 5) / (-4 - (-6)) = -1 / 2

Therefore, the slope from (-6, 5) to (-4, 4) is -1/2.

I hope this helps! And if you could label my answer brainliest that would be awesome.

- Dante

Question:

What is the slope from (-6,5) to (-4,4)

Answer:

The slope is -1/2.

Step-by-step explanation:

-Write down the points

-The formula is m= y2-y1/ x2-x1

-6 would be x1, 5 is y1, -4 is x2, 4 is y2

-The equation would then be 4-5/ -4 - (-6)

- 4-5 is -1, -4 - (-6) is 2 a negative and a negative cancel out so it'll be a positive

-The slope would then be -1/2  

I hope it helps you!

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~Audrie-Bella~

Answer:

Finished

Step-by-step explanation:

-Multiple the exponents together

-keep ×10 the same so you can apply the second law of exponents

-Then divide and subtract the exponents of ×10

-Let the 14.44 and 5.9 divide each other

-Leave it like that because it's standard form

Answer:

6/25

Step-by-step explanation:

you add the total number of green and yellow together to equal 12. you then divide this by the total 50 and then simplify!

hope this helps

Answer:

3

Step-by-step explanation:

Set the equations. Let the variable x denote the amount of months that are needed.

Silver Gym:

In Silver Gym, the membership is a flat fee (constant) of $45, and training sessions are $25 for each session (25x, x denoting the amount of sessions).

Therefore, total cost is:

Total Cost (c) = Training session x Training cost per session + Flat Fee

or

c = 25x + 45

Fit Factor:

In Fit Factor, the membership is a flat fee (constant) of $75, and training sessions are $15 for each session (15x, x denoting the amount of sessions).

Therefore, the total cost is:

Total Cost (c) = Training session x Training cost per session + Flat Fee

or

c = 15x + 75

~

You are trying to solve for the amount of training sessions that have to be bought in which both prices will be the same. Note that both equations are equal to c. Based on the transitive property of equality, if a = b and b = c, then a = c. Therefore:

c = 25x + 45

c = 15x + 75

15x + 75 = c = 25x + 45

15x + 75 = 25x + 45

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Subtract 25x and 75 from both sides of the equation:

15x (-25x) + 75 (-75) = 25x (-25x) + 45 (-75)

15x - 25x = 45 - 75

-10x = -30

Next, divide -10 from both sides of the equation:

(-10x)/-10 = (-30)/-10

x = -30/-10 = 3

3 personal training sessions is your answer.

~

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Right triangle side lengths can be achieved in a few different ways. You can utilise various relationships or laws to discover the remaining side depending on what is offered.

Presented with two sides

The simplest way is to use the Trigonometry if you are aware of two additional right triangle sides:

a² + b² = c²

If leg an is the omitted side, change the equation such that an is still on one corner and compute the scale factor of that number:

a = √(c² - b²)

Leg b is equal to (c2 - a2) if foot b is unknown.

The formula for a deficient hypotenuse is c = (a2 + b2).

A right triangle has one symmetry boundary line if it is isosceles, meaning that its two different sides have an identical length. Otherwise, the triangle won't have any symmetries lines.

However, not all right-angled triangles are identical. If all of their angles have the same length as well as the relation of two among their angles is the same, then they are similar.

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A) note that the above graph is attached accordingly including at least 5 points and the vertex.

(-4, -3)

(-3, 0)

(-2, 1)

(-1, 2)

(0, 1)

(1, 0)

B) The function f(x) is a reflection of the parent function y=|x| over the vertical axis, shifted one unit to the left and two units up.

C) The domain of f(x) is all real numbers since the absolute value of any real number is always non-negative.

The range of f(x) is from negative infinity up to (but not including) 2, since the highest value f(x) can attain is 2 due to the vertical shift of the function, and it can take on any value less than 2 (down to negative infinity) due to the reflection and vertical stretching of the absolute value function. In interval notation, the range can be expressed as (-∞, 2).

D) The vertex of the function f(x)=-|x+1|+2 is (-1, 2)

A domain is the set of all possible input values for a function. It specifies the range of values over which the function is defined.

Vertex is the point on the graph of a parabolic function that represents either the maximum or minimum value of the function. It is also known as the "turning point" of the function.

A Parent function is basic or "template" function that represents a particular type or family of functions. It can be transformed to create various related functions.

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Department of Education is usually determined by the sales tax rate and the amount of the purchase.

The main sources of funding for the Department of Education come from income taxes and sales taxes.

The amount of income taxes collected by the Department of Education is usually determined by the tax code and the amount of income earned.

In addition to income taxes and sales taxes, the Department of Education also collects taxes from other sources. These include inheritance taxes, property taxes, and excise taxes. Inheritance taxes are taxes collected on the transfer of property from one person to another upon death.

Property taxes are taxes collected on the value of real estate, such as land and buildings. Excise taxes are taxes collected on the purchase of certain items, such as cigarettes and alcohol.

By understanding how taxes work, you can locate the Department of Education funding in your tax breakdown.

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As required to be determined in the task content, the number 2 in this scenario equal; 275.5.

It follows from the task content that the equivalent of the number 2 according to the described context is to be determined.

Since 5 equals 649 and 1 equals 151, let 2 be equal to x;

Therefore, by interpolation;

(x - 151) / (649 - 151) = (2 - 1) / (5 - 1)

4x - 604 = 498

4x = 604 + 498

4x = 1102

x = 275.5

On this note, it follows that the number 2 equals; 275.5.

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The value of the expression -13x-7y is -8.

What is the system of equations?

Simultaneous equations, or a system of equations, Two or more equations in algebra must be solved jointly. The number of equations must match the number of unknowns for a system to have a singular solution.

Given system of equations are

-9x + y = 2   .....(i)

-4x - 8y = -10 ....(ii)

Solve the equation by using system of equations.

Multiply equation (i) by 8 and add with equation (ii)

-72x + 8y = 16

-4x - 8y = -10

___________

-76x = 6

x = 6/-76

x = - (3/38)

Putting x = - (3/38) in equation (i):

-9[- (3/38)] + y = 2

27/38 + y = 2

y = 2 - 27/38

y = 49/38

Putting x = - (3/38) and y = 49/38 in -13x-7y:

-13(-3/38)-7(49/38)

= 39/38 - 343/38

= -304/38

= -8

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These roots are also complex conjugates, so the step response will be oscillatory with a decay factor. The response will look like a damped sinusoid. the value of s1 and s2 is 25i and -25j.

Here are the solutions for the given transfer functions and the corresponding step response plots:

G(s) =[tex]400 / (s^2 + 12s + 400)[/tex]

First, let's find the roots of the denominator:

[tex]s^2 + 12s + 400 = 0[/tex]

Using the quadratic formula, we get:

s1 = -6 + 14.96j

s2 = -6 - 14.96j

These roots are complex conjugates, so the step response will be oscillatory with a decay factor. The response will look like a damped sinusoid.

G(s) =[tex]900 / (s^2 + 90s + 900)[/tex]

The denominator can be factored as [tex](s + 45)^2[/tex]. Therefore, the roots are:

s1 = s2 = -45

Since both roots are negative and equal, the response will be critically damped.

G(s) = [tex]225 / (s^2 + 30s + 225)[/tex]

The denominator can be factored as[tex](s + 15)^2[/tex]. Therefore, the roots are:

s1 = s2 = -15

Again, since both roots are negative and equal, the response will be critically damped.

G(s) = [tex]625 / (s^2 + 625)[/tex]

The denominator can be factored as (s + 25j)(s - 25j). Therefore, the roots are:

s1 = 25j

s2 = -25j

Note: The step response plots can be sketched by considering the damping ratio and natural frequency of each transfer function. For critically damped systems, the response reaches steady-state the fastest, but it also overshoots the most.

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[tex]3/x - 2 -5/2 -4/x - 2[/tex] is equivalent to [tex](-15x + 40)/2(x-2)(x-2)[/tex]

[tex]3/x - 2 - 5/2 - 4/x - 2[/tex] can be simplified by finding a common denominator:

LCD = 2(x-2)

So we need to multiply the first fraction by 2/2 and the second fraction by (x-2)/(x-2):

[tex]3/x - 2 * 2/2 - 5/2 - 4/x - 2 * (x-2)/(x-2)[/tex]

[tex]= (6 - 2(x-2))/2(x-2) - 5/2 - (4x-8)/(x-2)(x-2)\\= (-2x + 14)/2(x-2) - 5/2 - (4x-8)/(x-2)(x-2)\\= (-2x + 14 - 5(x-2) - 2(4x-8))/2(x-2)(x-2)\\= (-2x + 14 - 5x + 10 - 8x + 16)/2(x-2)(x-2)\\= (-15x + 40)/2(x-2)(x-2)[/tex]

Therefore, [tex]3/x - 2 -5/2 - 4/x - 2[/tex] is equivalent to [tex](-15x + 40)/2(x-2)(x-2).[/tex]

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Answer:

[tex]\huge\boxed{\sf 9x}[/tex]

Step-by-step explanation:

= 3x + 3x + 3x

Take x as common factor

= x(3 + 3 + 3)

= x (9)

[tex]\rule[225]{225}{2}[/tex]

Answer:

210 students

Step-by-step explanation:

We want to find 75% of 280, which means we want to find 75 out of every 100 students who voted. We can do this by multiplying 280 by 75% (or 0.75).

280 x 0.75 = 210

So, 210 students voted for the Chiefs to win the Super Bowl.

I hope this helps! And if you could label my answer brainliest that would be awesome.

- Dante

Answer:

Step-by-step explanation:

75% = .75

280 x .75 =210

Answer = 210

Answer:

I think the answer is 256.224

Step-by-step explanation:

Answer:

C) b x 1

Step-by-step explanation:

For example, if b was 2 then 2 x 1 would be 2 so it would be the biggest value out of all the options.

For D, if b was 6 then b x 1/2 would be 3 so it would be at a low value. Therefore C is the correct answer.

1/64 fraction is equal to 0.015625 in decimal form.

To change the fraction 1/64 to a decimal, we need to perform division.

1 divided by 64 can be written as:

0.015625

----------

64 | 1.000000

   0

  10

   0

The result of the division is 0.015625. This means that 1/64 is equal to 0.015625 in decimal form.

Note that in this case, we carried the division out to six decimal places, but the question specified that we should carry it out to three decimal places. In that case, we would round the answer to 0.016.

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The factors of 37 are 1 and 37. This is because 1 is a factor of every number, and 37 is a prime number that is only divisible by 1 and itself.

The factors of 37 are the numbers that can be multiplied together to get 37 as a product. In other words, the factors of 37 are the divisors of 37 that divide it evenly without a remainder.

Therefore, 1 and 37 are the only numbers that can be multiplied together to get 37 as a product.

It is important to note that the factors of a number are always positive integers since negative numbers cannot be multiplied together to give a positive result.

Additionally, every number has at least two factors, 1 and itself, and some numbers may have many more factors depending on their prime factorization.

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Reena's original speed as compared to her new speed concludes that Reena arrived at her destination in her planned amount of time which is 20 hours.

What is speed?

The distance travelled in relation to the time it took to travel that distance is how speed is defined. Since speed simply has a direction and no magnitude, it is a scalar quantity.

Reena's original plan was to drive for 20 hours at an average speed of 50 mph, which means that she would have covered a distance of -

Distance = Speed x Time

Distance = 50 mph x 20 hours

Distance = 1000 miles

Now calculate the distance that Reena actually traveled.

She drove at an average speed of 60 mph for the first 5 hours, covering a distance of -

Distance1 = Speed1 x Time1

Distance1 = 60 mph x 5 hours

Distance1 = 300 miles

For the remaining 15 hours of the journey, she drove at an average speed of 50 mph, covering a distance of -

Distance2 = Speed2 x Time2

Distance2 = 50 mph x 15 hours

Distance2 = 750 miles

The total distance that Reena traveled is the sum of the two distances -

Total Distance = Distance1 + Distance2

Total Distance = 300 miles + 750 miles

Total Distance = 1050 miles

Reena actually traveled 1050 miles to reach Chicago, which is 50 miles more than her planned distance of 1000 miles.

To calculate how much earlier Reena arrived in Chicago than she originally planned, we need to compare the time it took her to travel the two distances -

Time1 = Distance1 / Speed1

Time1 = 300 miles / 60 mph

Time1 = 5 hours

Time2 = Distance2 / Speed2

Time2 = 750 miles / 50 mph

Time2 = 15 hours

Total Time = Time1 + Time2

Total Time = 5 hours + 15 hours

Total Time = 20 hours

Reena arrived in Chicago in 20 hours, which was exactly the same as her original plan.

Therefore, she did not arrive earlier than planned.

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P(A and B) = P(A) × P(B) is the formula used to assess if two events are independent (B).

P(A) is the chance that event A will occur.

The chance that event B will occur is marked as P(B).

If the chance of both occurrences happening at the same time, P (A and B), equals the product of the individual probabilities of each event, P(A) x P(B), the events are called independent.

If, on the other hand, the chance of both occurrences occurring simultaneously is less than the product of the individual probabilities of each event, the events are deemed dependent.

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Answer:

No

Step-by-step explanation:

The way to show this expression is 6(4+5) because "and" is showing the distributive property.