27,265 Answered Questions for the topic algebra 1

Algebra 1 Math

04/24/23

An element with mass 310 grams decays by 8.9% per minute. How much of the element is remaining after 19 minutes, to the nearest 10th of a gram?
An element with mass 310 grams decays by 8.9% per minute. How much of the element is remaining after 19 minutes, to the nearest 10th of a gram?
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Algebra 1 Math Algebra 2 Physics

04/23/23

Rotational Motion Physics - Please help on all parts!
The figure shows a solid, uniform cylinder of mass 7.00kg and radius 0.450 m with a light string wrapped around it. A 3.00-N tension force is applied as shown to the string, causing the cylinder to... more
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Algebra 1

04/22/23

A car is purchased for 20,000. After each year, the resale value decreases by 30%. What will the resale value be after 4 years?
A car is purchased for 20,000. After each year, the resale value decreases by 30%. What will the resale value be after 4 years?
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Algebra 1 Math Algebra 2 Sat Math

04/22/23

False Negative/False Positive

A drug testing company advertises a test for steroids that is 93.5% effective at detecting steroid use. It has a true negative effectiveness of 90.5%. Suppose 6% of 10,000 professional cyclists are... more
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Algebra 1

04/22/23

Which of the following is an equation of the line with an x-intercept of −5 and a y-intercept of 5
A y = x − 5B y = x + 5C y = 5x − 5D y = 5x + 5
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Algebra 1

04/22/23

Linear equation
A banquet hall hosts wedding receptions. There is a charge to rent the hall in addition to a per person charge for the meal. Chrissy had 115 guests at her wedding and paid a total of $4000.What... more
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Algebra 1 Math

04/21/23

Please solve this math equation
Ryan borrowed $8000 at a rate of 13.5% compounded monthly assuming he makes no payments how much will he owe after 10 years do not round any intermediate computations and round your answer to the... more
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Algebra 1 Math Science Homeschool

04/21/23

Algebra one, word equation
Jane and Sophia went to the corner store where packages of gum cost 85 cents each and candy bars cost 60 cents each. They spent $15 and bought 4 more packages of gum than candy bars. How many... more
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Algebra 1

04/21/23

Write a quadratic function that represents the cost of installing artificial turf on a square plot with a side length of x ft, and a second quadratic function the cost of installing sod on the plot.
Artificial turf costs $15/sq ft to install, and sod costs $0.15/sq ft to install. Please explain everything
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Algebra 1 Math

04/21/23

I just can't figure this out!
How much would you need to deposit in an account now in order to have $3000 in the account in 5 years? Assume the account earns 8% interest compounded monthly.$____________
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Algebra 1 Algebra 2

04/20/23

I need help with Algebra!
What does y less than 12 look like.?
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Algebra 1 Math

04/20/23

If a data set has a mean of 90, and a standard deviation of 15, what is a number that is more than 2 standard deviations beneath the mean?
If a data set has a mean of 90, and a standard deviation of 15, what is a number that is more than 2 standard deviations beneath the mean?
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Algebra 1 Math

04/20/23

What is the data element with a z-score of 1.5, in a data set that has a mean of 50, and a standard deviation of 5?
What is the data element with a z-score of 1.5, in a data set that has a mean of 50, and a standard deviation of 5?
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Algebra 1 Math

04/20/23

HELP Write an inequality?!
Write an inequality that represents the numbers that are two standard deviations above and below the mean of the data set: 78, 67, 90, 91, 65, 78, 79.
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Algebra 1 Math

04/20/23

I really don't understand this:
The average height of a sixth grade class is 64 and a standard deviation of 2. What is a student's z-score if his height is 66?
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Algebra 1 Math

04/20/23

HELP! I DON'T UNDERSTAND THIS:

If a data set has a mean of 25 and a standard deviation of 3, what is a number that is in between the 1st and 2nd standard deviation to the right of the mean?
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Algebra 1

04/20/23

help please again!!
Write an equation of the line that passes through the points in the table.y=?
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Algebra 1 Math

04/20/23

need help with exponential functions assignment having trouble figuring it out

https://drive.google.com/file/d/1p9OKvAyM0ZO838OfeRfmBLXjHTrYCmCf/view?usp=sharing
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Algebra 1

04/20/23

SOMEONE HELP!!!
Your friend's height, for the first 10 years of their life, can be modeled with the function h`=-0.2t^2+6.9t+16 , where t is the time in years since your friend was born and h is the height in... more
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Algebra 1 Math

04/20/23

math help needed

A person invests $1,500 in an account that earns 5.5% interest compounded annually. let f(t) be the value (in dollars) of the account after t years.Give an equation for f -f(t)= -What will the... more
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Algebra 1 Math Algebra 2

04/19/23

Quick help :United Parcel Service

Problem United Parcel Service has contracted you to design a closed box with a square base that has a volume of 10,000 cubic inches. (a) Initially, they would like to know the dimensions of such a... more
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Algebra 1

04/19/23

The product of a number and negative ten minus three
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Algebra 1 Math

04/19/23

A square-shaped cookie sheet has an area of 121 square inches each cookie needs 1 square inch of space. use every inch of the sheet as well as have the same number of cookies in each row and column.

William is baking cookies for the bake sale. His square-shaped cookie sheet has an area of 121 square inches and each cookie needs 1 square inch of space. William needs to use every inch of the... more
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Algebra 1 Math

04/19/23

Jasmine bought a new sweater on sale for $20. The sweater originally cost $28. What was the percent decrease of the sweater? Round to the nearest tenth.
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Algebra 1 Math Science Prealgebra

04/19/23

Algebra 1, finding average

the sum of four numbers is 411.6. two of the numbers are 20.4 and 270.5. find the average of the four numbers.
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