02/21/24

find all solutions
Find all solutions exactly on the interval [0,2⁢π).2tan^2 (t)= 3sec(t)
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02/19/24

5 + x = 2x _____ Four times the difference between a number and five
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02/19/24

let f(x)= (8x^2-4)^3(3x^2-4)^14
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02/19/24

I need help with this question
A manufacturer knows that their items have a normally distributed lifespan with a mean of 2.5 years and a standard deviation of 0.5 years the 5% of items with the shortest lifespan will last less... more
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02/19/24

I need help with this statistics and probability question
In the country of the United States of height, Landia, the height measurements of 10 year old children are approximately normally distributed with a meaning of 55.9 inches in a standard deviation... more
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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

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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