Newest prealgebra Questions | Wyzant Ask An Expert

09/29/19

Math equation help

Flying against the wind, an airplane travels 6860 kilometers in 7 hours. Flying with the wind, the same plane travels 5680 kilometers 4 in hours. What is the rate of the plane in still air and what... more

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Prealgebra Maths

09/29/19

If i had 28 grammes of cake mix which had 91% purity how many grammes of sugar would i need to get the mix down to 75%

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Prealgebra Mathematics

09/29/19

this is a math question

A carpenter purchased 60 ft of redwood and 70 ft of pine for a total cost of $287. A second purchase, at the same prices, included 90 ft of redwood and 60 ft of pine for a total cost of $381. Find... more

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Prealgebra Math

09/28/19

Math question! Please help!

I hiked into the woods at 4 miles/hour and returned by the same route at 3 miles/hour. If the round trip took 3 1/2 hours, how many miles into the woods did I hike? Please help and include step by... more

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Prealgebra Math

09/28/19

A jar contains nickels and pennies. There are 56 coins in the jar in all. The total value of the coins is $1.52. How many pennies are in the jar?

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Prealgebra Math

09/27/19

The lion fish at the zoo requires 456 gallon tank to be 4% salt . Some of the water evaporates raising the salinity to 7% . How much water need to be added to bring the salinity back to 4%

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Prealgebra Proportions

09/27/19

The radiator needs water

The radiator in a car is filled with a solution of 60% antifreeze and 40% water. The manufacturer of the antifreeze suggests that, for the summer driving, optimal cooling of the engine is obtained... more

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Prealgebra Math Percentages

09/27/19

Help me settle an argument

If I loan my friend 26 cents and he uses that 26 cents to buy a 10,000 yacht, how much of that yacht will I own?

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Prealgebra Word Problem

09/26/19

How many birds were at the shelter?

An animal shelter spends $4.50 per day to care for each bird and $6.50 per day to care for each cat. Kaylee noticed that the shelter spent $96.00 caring for birds and cats on Thursday. Kaylee found... more

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Prealgebra

09/26/19

A cube-shaped box has a volume of 64 cubic inches. If the box is packed full of cubes with edge lengths of 1 inch, how many cubes can fit along one side of the box?

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Prealgebra Math Algebra 1 Algebra 2

09/24/19

determine whether the pair of lines are parallel, perpendicular, or neither

6+8x=4y4x+8y=5

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Prealgebra Math Algebra 1 Algebra 2

09/24/19

determine whether the pair of lines are parallel, perpendicular, or neither

6x=7y=1-30x=35y=1

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Prealgebra

09/23/19

A pancake recipe asks for one and one half times as much milk as flour. If three and one half cups of milk is used, what quantity of flour would then be needed, according to the recipe?

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Prealgebra

09/21/19

Is there any number of months after which both George and Elaine will have paid the same amount?

George makes $3000 down payment for a car and then pays $325 per month. Elaine makes a $2500 down payment for a car and then pays $325 per month. Is there any number of months after which both... more

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Prealgebra Math Elementary Math Algebra

09/21/19

Percent problem - My friend and I disagree - Who is right?

One day, McDonald's sold 200 hamburgers. On the same day, Burger King sold 800 hamburgers. McDonald's sold what percent FEWER hamburgers than Burger King?I say the answer is 75%. My friend says... more

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Prealgebra

09/20/19

A man that is ) feet fall is standing so that the tip of his shadow is 20 feet from a light pole. His shadow is 8 feet long. What is the height of the pole?

answers a. 24 feetb. 48 feetc. 15 feetd. 14 feet

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Prealgebra Math College Algebra Interest

09/20/19

a certain forest covers an area of 4500 km^2. suppose that each year this area decreases by 8.75%. what will it be after 10 years?

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Prealgebra Math

09/19/19

kathy needs to mail a gift card to a friend. she uses 48 cents stamps and 7 cent stamps to pay 2.55 in postage. how much of each stamp did kathy use

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Prealgebra

09/19/19

Five more than three times a number q

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Prealgebra

09/19/19

Five more than three times a number q is written as

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Prealgebra

09/19/19

How do you calculate the height of a rectangular solid when give only length and width

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Prealgebra Math Pre Algebra Percents

09/18/19

You purchase an item that has a 7% sales tax. Write an expression that represents the cost of the item in simplest terms. What is the coefficient? (decimal answer)

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Prealgebra Math Pre Algebra Percents

09/18/19

You purchase an item for 60%off. The item also has a sales tax of 4.7%. Write an expression to represent the cost in simplest terms. What is the coefficient? (write the entire decimal)

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Prealgebra Math Pre Algebra

09/18/19

You start with 2 rabbits. The rabbit's population triples every 30 days. How many rabbits will there be in 150 days?

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Prealgebra Math

09/18/19

Can someone help me with this Please. Thank you.

A group of friends had $31 to buy tickets to a game. After buying the tickets, They had $11 left. there are 5 friend in the group . How much was each ticket

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Math equation help

If i had 28 grammes of cake mix which had 91% purity how many grammes of sugar would i need to get the mix down to 75%

this is a math question

Math question! Please help!

A jar contains nickels and pennies. There are 56 coins in the jar in all. The total value of the coins is $1.52. How many pennies are in the jar?

The lion fish at the zoo requires 456 gallon tank to be 4% salt . Some of the water evaporates raising the salinity to 7% . How much water need to be added to bring the salinity back to 4%

The radiator needs water

Help me settle an argument

How many birds were at the shelter?

A cube-shaped box has a volume of 64 cubic inches. If the box is packed full of cubes with edge lengths of 1 inch, how many cubes can fit along one side of the box?

determine whether the pair of lines are parallel, perpendicular, or neither

determine whether the pair of lines are parallel, perpendicular, or neither

A pancake recipe asks for one and one half times as much milk as flour. If three and one half cups of milk is used, what quantity of flour would then be needed, according to the recipe?

Is there any number of months after which both George and Elaine will have paid the same amount?

Percent problem - My friend and I disagree - Who is right?

A man that is ) feet fall is standing so that the tip of his shadow is 20 feet from a light pole. His shadow is 8 feet long. What is the height of the pole?

a certain forest covers an area of 4500 km^2. suppose that each year this area decreases by 8.75%. what will it be after 10 years?

kathy needs to mail a gift card to a friend. she uses 48 cents stamps and 7 cent stamps to pay 2.55 in postage. how much of each stamp did kathy use

Five more than three times a number q

Five more than three times a number q is written as

How do you calculate the height of a rectangular solid when give only length and width

You purchase an item that has a 7% sales tax. Write an expression that represents the cost of the item in simplest terms. What is the coefficient? (decimal answer)

You purchase an item for 60%off. The item also has a sales tax of 4.7%. Write an expression to represent the cost in simplest terms. What is the coefficient? (write the entire decimal)

You start with 2 rabbits. The rabbit's population triples every 30 days. How many rabbits will there be in 150 days?

Can someone help me with this Please. Thank you.

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