02/19/24

math help for me
A new car worth $36,000 is depreciating in value by $2,000 per year.(a) The linear equation that models the car's value, y, in dollars, after x years isAnswer: y = blank1 - Word AnswerWrite your... more
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02/19/24

I need help with statistics
A food marketing Institute found that 33% of households spend more than $125 a week on groceries assume the population proportion is 0.33 and a simple random sample of 412 households is selected... more
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02/18/24

I need help sketching this equation

Sketch the region corresponding to the statement P(z>-0.9)
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02/18/24

I need help with this question
A manufacture produces a commodity where the length of the commodity has approximately normal distribution with a mean of 14.6 inches and standard deviation of 0.7 inches if a sample of 43 items... more
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02/18/24

I need help with this problem
Assume that the readings at freezing on a patch of thermometers are normally distributed with a mean of 0°C, and a standard deviation of 1.00°C a single thermometer is randomly selected and tested.... more
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02/18/24

A smart phone manufacturer is interested in constructing a 99% confidence interval

A smart phone manufacturer is interested in constructing a 99% confidence interval for the proportion of smart phones that break before the warranty expires. 91 of the 1578 randomly selected smart... more
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02/17/24

Word problem Help
A lab has 200 L of solution that is 40% acid. The technician needs a solution with 25% acid. How many liters of water must be added to make a solution that is 25% acid?
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02/17/24

I know if I have log(x)^7 it would be 7logx. But what if I had (log(x))^3. What would I do?
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02/16/24

what is the smallest prime number that can be made from the sum of three different prime numbers?
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02/16/24

The dealership bought a used car for $3,200 and sold the car for $8,950. What percentage was the mark-up?

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02/16/24

The dealership bought a used car for $3,200 and sold the car for $8,950. What percentage was the mark-up?

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02/16/24

Dimensions of a rectangle
The area of a rectangle is 250 the length is five feet longer than twice the width, what are its dimensions
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02/16/24

Evaluate the indefinite integral.
∫(x2-1)/(x2+x-12)dx
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02/16/24

You have 64 feet of fencing. If you are wanting to make a rectangular pen, what is the greatest area you can enclose?
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02/15/24

How many seconds of the ride (1 full revolution) are spent higher than 12 meters above the ground?
A Ferris wheel is 10 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform.The function... more
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02/15/24

The school librarian ordered new books. Of the books 1/3 are science 2/5 are biographies and the rest are fictio. What fraction of the books ordered are fiction?

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02/15/24

Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
A couple of friends decide to race each other. Isaiah can run 7 meters per second, whereas Brett can run 8 meters per second. Because he is slower, Isaiah also gets a head start of 21 meters.... more
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02/15/24

Recall the equation for simple interest
Recall the equation for simple interest, A=P(1+rt). Compare the amount of interest earned in 10 years for an investment of $3700 with a 7% annual simple interest rate and a 7% annual interest rate... more
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02/15/24

What is the approximate average rate of change over the interval [4, 18]?
What is the approximate average rate of change over the interval [4, 18]?
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02/14/24

Let α and β be fist quadrant angles with cos(α)= sqrt7/4 and sin(β)= sqrt10/6 Find tan(α-β)
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02/14/24

56 as the sum of 4 square numbers
I have it for my maths assignment, there was no support and I have no idea where to start!
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02/14/24

Help with Rewrite this expression using the division symbol and as a fraction :: The quotient of k decreased by 4 and 9
Rewrite this expression using the division symbol and as a fraction :: The quotient of k decreased by 4 and 9
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02/14/24

A bank loaned out $32,000, part of it at the rate of 10% annual interest, and the rest at 12% annual interest. The total interest earned for both loans was $3,500.00. How much was loaned at each rate?
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02/14/24

Comparing linear equation
Which line is Which line in the graph is a transformation of the line Y =-3X after a rotation of 90° counterclockwise around the origin or horizontal shift of 2 units to the left and a vertical... more
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02/14/24

Projectile Motion and Quadratic Regression
A quarterback throws a football from a height of 6 feet with an initial velocity of 20 feet per second. The height h of the ball at time t second can be represented by the function h(t)= -16t^2... more
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