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Math Algebra 1

12/06/23

Find the line parallel to y=3x-12 with the point (1, -2)

Y - [?] = [?] (x-[?]) How would I do it that way? I'm not sure how that works..

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Math Algebra 1

12/06/23

The Normal Distribution

IQ is normally distributed with a mean of 100 and a standard deviation of 15. a) Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 95. Write... more

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Math

12/06/23

The height, in meters, above sea level of a NASA launched rocket is given by h ( t ) = − 4.9 t^2 + 301 t + 94

The height, in meters, above sea level of a NASA launched rocket is given by h(t)=−4.9t2+301t+94 where t represents the number of seconds since the rocket was launched.Assuming that the rocket will... more

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Math Algebra 1

12/05/23

If Auggie is 2 years older than 6 times Elin's age. The sum of their ages is less than 44. What is the oldest Elin could be? Show all your work.

Its inequalities i need help really bad

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Math

12/05/23

Stuck on question

If a and b are both odd integers, which of the following MUST also be an odd integer?a+ba-baxba/b

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Math

12/05/23

Stuck on math problem

The radius of the circular top or bottom of a tin can with a surface area S and a height h is given by r = (- h + sqrt(h ^ 2 + 0.64S))/2 What radius should be used to make a can with a height of 15... more

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Math

12/05/23

Stuck on problem

At the Museum of Transportation it was estimated 42% of all visitors are from in state. On Saturday, 6,000 people attended the museum. What is the number of out of state people in attendance?

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Math

12/05/23

Quadratic equations

Write the quadratic equation in the form of ax2+bx + c=0 with the roots d abd f.

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Math

12/05/23

Stuck on problem

3. A rectangle has a length of sqrt(171) and a width of sqrt(51) . What is the best estimate for its area?

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Math Calculus

12/05/23

Calculate: |0->1 140e^0.03xdx

Calculate: 1∫ 140e0.03xdx 0I have multiple problems similar to this one and I know I'm doing something wrong in my process but I don't know what. Can somebody help explain?

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Math Calculus

12/05/23

Evaluate this integral: |0->0.2 dx/sqrt(1-x^2)

Evaluate the integral: 0.2∫ dx / √(1-x2) 0I have quite a few questions like this one, and I can't understand how to do them, or what I'm doing wrong.

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Math

12/05/23

It took Freda 5 hours to plant 145 bulbs meanwhile Bob planted 150 in 6 hours. If they each work for 8 hours, how many bulbs will they plant together?

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Math

12/05/23

Stuck on problem not sure how to solve it

8. Joan Smith bought an IBS Personal Computer priced at $1,688. She put down 40%. What is the amount of the down payment Joan made ?

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Answers •1

Math Algebra 1

12/05/23

The Normal Distribution

A variable is normally distributed with mean 22 and standard deviation 3. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest... more

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Math Algebra 1

12/05/23

The Normal Distribution

The weights for newborn babies is approximately normally distributed with a mean of 5.4 pounds and a standard deviation of 1.4 pounds.Consider a group of 1200 newborn babies:1. How many would you... more

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Math Algebra 1

12/05/23

z-Scores and Area under the Curve

z-Scores and Area under the Curve A researcher collected data on adults using an intelligence test. The data for these adults were approximately normally distributed with the following mean and... more

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Math Calculus

12/05/23

How fast is the distance between the runners changing 1 second after the ball was hit?

You are watching a baseball game. Runners are standing at first and second base. The moment the batter hits the ball, the runner in first base runs to second base 18 feet per second. The runner at... more

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Math Calculus

12/05/23

If the balloon continues to go up 10 feet per second, how fast is the distance between the motorcycle and the balloon changing 10 seconds later?

A hot air balloon is 150 ft above the ground while a motorcycle passes directly beneath it heading North at a speed of 40 miles per hour also known as 58.67 feet per second. If the balloon... more

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Math

12/05/23

write a linear equation

passes through (4,-1), slope =-3

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Math

12/05/23

A 1-year loan with a 5% APR will have the most interest charged with what type of compounding?

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Answers •1

Math Calculus

12/05/23

Understanding Derivatives

y = cos4(7x3)step 1 dy/dx = 4cos3(7x3)(-sin(7x3))*21x2step 2 = -84x2cos3(7x3)sin(7x3)step 3 = -42x2sin(14x3)cos2(7x3)Could someone explain how they went from step 2 to step 3?Edit: I understand it... more

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Math Algebra 1

12/05/23

The Normal Distribution

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 6.9 days and standard deviation of 1.7 days. Use your graphing calculator to answer the... more

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Answers •1

Math Algebra 1

12/05/23

The Normal Distribution

Use the normalCDF function on your graphing calculator to determine the area of the shaded region shown below.47535965717783Exam Scores[Graphs generated by this script:... more

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Math

12/05/23

what is the slope of (-6,9),(7,-9)

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Math

12/04/23

1/8 times 9 equals what

I need to know what the answer is

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Find the line parallel to y=3x-12 with the point (1, -2)

The Normal Distribution

The height, in meters, above sea level of a NASA launched rocket is given by h ( t ) = − 4.9 t^2 + 301 t + 94

If Auggie is 2 years older than 6 times Elin's age. The sum of their ages is less than 44. What is the oldest Elin could be? Show all your work.

Stuck on question

Stuck on math problem

Stuck on problem

Quadratic equations

Stuck on problem

Calculate: |0->1 140e^0.03xdx

Evaluate this integral: |0->0.2 dx/sqrt(1-x^2)

It took Freda 5 hours to plant 145 bulbs meanwhile Bob planted 150 in 6 hours. If they each work for 8 hours, how many bulbs will they plant together?

Stuck on problem not sure how to solve it

The Normal Distribution

The Normal Distribution

z-Scores and Area under the Curve

How fast is the distance between the runners changing 1 second after the ball was hit?

If the balloon continues to go up 10 feet per second, how fast is the distance between the motorcycle and the balloon changing 10 seconds later?

write a linear equation

A 1-year loan with a 5% APR will have the most interest charged with what type of compounding?

Understanding Derivatives

The Normal Distribution

The Normal Distribution

what is the slope of (-6,9),(7,-9)

1/8 times 9 equals what

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