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Prealgebra

10/02/22

I'm stuck on this word problem.

Part of the proceeds from a garage sale was $410 worth of $10 bills and $20 bills. If there were 2 more $10 bills than $20 bills, find the number of each denomination.

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Prealgebra Algebra 1

09/30/22

Direct variation

A recipe for 2 dozen corn muffins calls for 3 cups of flour. The number of muffins varies directly with the amount of flour you use. How many cups of flour would you need for 6 and a half dozen... more

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Prealgebra

09/29/22

I need help solving this word problem

A 72-foot piece of siding is cut into 3 pieces, so that the second piece is 3 times as long as the first piece, and the third piece is 5 times as long as the first piece. If x represents the length... more

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Prealgebra Algebra 1 Algebra 2 Linear Algebra

09/28/22

f(x) = -2x2 + 3x + 1 What is f(4) ?

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Prealgebra

09/27/22

Integers word problem

Missys father bought her an 18 foot board to cut into shelves for her bedroom. Missy plans to cut the boards into 6 equal size lengths for her shelves. The saw blade that missy will use to cut the... more

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Prealgebra Algebra 1 Algebra 2

09/27/22

Word algebra problem

the total of two numbers is 149. let x represent one of the numbers write an algebraic expression for the other number

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Prealgebra

09/26/22

Ron is 39 inches tall. He is 7/8 as tall as his brother. How tall is his brother? Round your answer to the nearest inch.

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Prealgebra

09/26/22

The Cartesian product CxD is given by the sets listed. Find C and D

CxD={(5,1)(5,2)(5,3)(1,1)(1,2)(1,3)}

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Prealgebra

09/26/22

Dimensions of a rectangle

the length of a rectangle is five feet more than four times the width. the perimeter is 60 feet. find the dimensions of the rectangle

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Prealgebra

09/23/22

So if you work at a carnival for 7.5 hours. And you earn $67.50.. How much do you earn per hour

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Prealgebra

09/22/22

What is 1/8 of 27000000

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Prealgebra

09/22/22

The area of a square poster is 31 square inches. Find the length of one side of the poster. To the nearest whole inch and the nearest tenth of an inch

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Prealgebra

09/21/22

In planning her retirement, Liza deposits some money at 2.5% interest, with twice as much deposited at 3.5%. Find the amount deposited at each rate if the total annual interest income is $1235

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Prealgebra

09/21/22

A 5-ft man is standing 80ft from a street light. If the man's shadow is 40ft, determine the height of the street light.

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Prealgebra Math Algebra 1 Algebra 2

09/19/22

Find a function whose graph is a parabola with vertex (4, 3) and that passes through the point (−3, 2).

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Prealgebra Algebra 1

09/17/22

Write "Three times the sum of a number and 2.1 added to twice the number" as an algebraic expression.

Can you break it down for me, thanks.

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Prealgebra Math Algebra 1 Algebra 2

09/17/22

A small radio transmitter broadcasts in a 49 mile radius. If you drive along a straight line from a city 54 miles north of the transmitter to a second city 67 miles east of the transmitter

(the rest of the question) during how much of the drive will you pick up a signal from the transmitter?

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Prealgebra

09/15/22

One number is 6 more than another. Their product is 520. Find the numbers.

pls help me i don't understand it!!! T^T

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Answers •3

Prealgebra Algebra 1

09/15/22

Exponents and order of operations

Use the numbers 1,2,4 and 5 in any order to write expressions to equal each integer from 1 to 20

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Prealgebra

09/14/22

How many pounds of cashews that cost $14 per pound must be mixed with 5 pounds of peanuts that cost $6.50 per pound to make mixed nuts that cost $10.25 per pound?

How many pounds of cashews that cost $14 per pound must be mixed with5 pounds of peanuts that cost $6.50 per pound to make mixed nuts that cost$10.25 per pound?

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Prealgebra

09/13/22

value of the expression

What is the value of the expression below when w=4w=4? 9w−10

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Prealgebra

09/12/22

Heather rode her bicycle 3 5/6 miles in 2/3 hour. What was her average speed in miles per hour?

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Prealgebra Math Algebra 1 Algebra 2

09/10/22

Math is just letters and numbers, why should I even learn this?

Here's a big question most students have at the start of learning the subject. I was never informed why I should be graphing numbers, why mathematicians used certain letters, or the implications on... more

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Prealgebra

09/09/22

Pacing question

A man needs to climb 20 flights of stairs to get to his apartment door. If he climbs 4 flights of stairs per 15 minutes of walking, how many minutes will it take him to get to his door?4 flights of... more

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Prealgebra

09/09/22

Factoring polynomials

When factoring a polynomial in the form ax^2 + bx+ c, where a, b and c are positive real numbers, should the signs in the binomials be both positive, negative or one of each? Create an example to... more

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I'm stuck on this word problem.

Direct variation

I need help solving this word problem

f(x) = -2x2 + 3x + 1 What is f(4) ?

Integers word problem

Word algebra problem

Ron is 39 inches tall. He is 7/8 as tall as his brother. How tall is his brother? Round your answer to the nearest inch.

The Cartesian product CxD is given by the sets listed. Find C and D

Dimensions of a rectangle

So if you work at a carnival for 7.5 hours. And you earn $67.50.. How much do you earn per hour

What is 1/8 of 27000000

The area of a square poster is 31 square inches. Find the length of one side of the poster. To the nearest whole inch and the nearest tenth of an inch

In planning her​ retirement, Liza deposits some money at 2.5​% ​interest, with twice as much deposited at 3.5​%. Find the amount deposited at each rate if the total annual interest income is ​$1235

A 5-ft man is standing 80ft from a street light. If the man's shadow is 40ft, determine the height of the street light.

Find a function whose graph is a parabola with vertex (4, 3) and that passes through the point (−3, 2).

Write "Three times the sum of a number and 2.1 added to twice the number" as an algebraic expression.

A small radio transmitter broadcasts in a 49 mile radius. If you drive along a straight line from a city 54 miles north of the transmitter to a second city 67 miles east of the transmitter

One number is 6 more than another. Their product is 520. Find the numbers.

Exponents and order of operations

How many pounds of cashews that cost $14 per pound must be mixed with 5 pounds of peanuts that cost $6.50 per pound to make mixed nuts that cost $10.25 per pound?

value of the expression

Heather rode her bicycle 3 5/6 miles in 2/3 hour. What was her average speed in miles per hour?

Math is just letters and numbers, why should I even learn this?

Pacing question

Factoring polynomials

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In planning her retirement, Liza deposits some money at 2.5% interest, with twice as much deposited at 3.5%. Find the amount deposited at each rate if the total annual interest income is $1235