06/08/21

Please help someone help me solve this
A Math test score is assumed tobe normally distributed with amean score of 50 and a standarddeviation of 10. If 45% of the students failed the test,what was the minimum passing score?
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09/12/19

How to write an expression for the area of a rectangle, with one side of the length 10b cm and the width of one side being 5b cm?
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06/19/19

How many grams of H2 are needed to react with 2.15 g of N2?
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06/15/19

linear function help
The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 36 minutes of calls is $19.96 , and the... more
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03/18/19

Fundamental Theorem-Analyze
You are making a candle that is a right circular cone. You want the height of the cone to be 3 inches greater than the radius of the base. You want the candle to have a volume of 108 (pi) cubic... more
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03/13/19

Calculate Split Bonus based on days worked
There are 5 employees that need to split a 1740 bonus based on the number of days they worked. Employee 1 worked 17/19 days, employee 2 11/9 days, employee 3 9/19 days, employee 4 10/19 days, and... more
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11/26/18

Twice the difference of a number and 7 is 5.
Translate the sentence into an equation.
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11/26/18

Invest math problem
Dustin invests $5400 in two different accounts. The first account paid 10 %, the second account paid 11 % in interest. At the end of the first year he had earned $550 in interest. How much was in... more
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04/05/16

I need math help please ASAP
Directions: Follow the instructions below to design a fair race for the new videogame Animal Tracks.1. Choose two animals with different speeds. You can choose from the chartthat starts at the... more
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03/29/16

Thr sum of consecutive number is 138 what is the smallest of the three numbers
6
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03/02/16

Pythagorean Theorem
The shorter leg of a right triangle is 9 cm shorter than the longer leg. The hypotenuse is 9 cm longer than the longer leg. Find the side lengths of the triangle. 
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03/02/16

Could someone show me what i'm doing wrong?
81-4r^2   so i tried breaking them up and got (9-2^r) (9+2^r)   or do i have to break it up further? could someone help me i really want to learn this
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03/01/16

The hypotenuse of a right triangle is 40 cm. One of the legs is 8 cm longer than the other leg. Find the area of the triangle in square feet.
The hypotenuse of a right triangle is 40 cm. One of the legs is 8 cm longer than the other leg. Find the area of the triangle in square feet. Its a right triangle and the answer must be 384 I just... more
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02/24/16

what is the answer to -3x-9=27
what is the answer to -3x-9=27!!!!!!!!
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02/24/16

an express train travelled at an average speed of 100 kmh stopping for 3 minutes after
an express train travelled at an average speed of 100 kmh stopping for 3 minutes after every 75 km how long did it take to reach its destination 600 km from the starting... more
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02/24/16

7x+14y=-21 -3x-6y=9
its a word problem
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02/22/16

could someone help me with math?
(x2−10x+25) /(x−5)
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02/22/16

in sixteen years, Hope will be five times as old as she is now. Hold old is Hope now?
 help 
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02/21/16

for a grocery display, matt constructed a pyramid with square with a square base measuring 3 feet on each side.
for a grocery display, matt constructed a pyramid with square with a square base measuring 3 feet on each side. if the pyramid was 5 feet high, what was the volume of matt's pyramid?   A.... more
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02/21/16

WORD PROBLEM
Rita invested an amount of $2250 in to two different banks. She invested some amount in a bank that offers 6% interest rate; and some in a bank that offers 8% interest rate. The yearly income on... more
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02/21/16

F'(x) = t'^4/4-t^3+t^2
pls help me find the derivative thanksss
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02/10/16

One-half of the students are in grade 5 How many students are not in grade 5?
 This is the exact wording of the problem
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02/10/16

Polynomial standard form- only need an answer
Write the following in polynomial standard form:   (-8k12)(1/3)                    other way it is written (-8k^12)^1/3
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02/10/16

pg 53 holt mcdougal workbook composite figures
i don't get that page
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02/10/16

Let u= x+3
(X+3)^2+27 (x+3)+26=
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