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02/04/16

Difference of square

How to factor x^6 - 64 using difference of squares. The answer is (x-2)(x+2)(x^2+2x+4)(x^2-2x+4)

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Math Problem

02/04/16

what math signs can i use to make the math sentence equal 6

9 (operation) 9 (operation) 9 (operation) = 6

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Math Problem

02/04/16

A mother wants to invest $5,000.00 for her son's future education. She invests a portion of the money in a bank certificate of deposit (CD account) which earns 4% and the remainder in a savings... more

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Math Problem Math Help

02/03/16

The units’ digit of a two-digit number is 5 more than the tens’ digit, and the number is three times as great as the sum of the digits. Find the number.

The answer is ???

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Math Problem Math Help

02/03/16

In a two-digit number the tens’ digit is 1 more than the units’ digit. The number itself is 6 times the sum of the digits. Find the number.

The answer is ???

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Math Problem Math Help

02/03/16

The sum of the digits of a two-digit number is 13. If 27 is added to the number, the digits will be interchanged. Find the number

The answer is ???

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Math Problem Math Help

02/03/16

Robin is twice as old as Earl, and in 6 years he will be three times as old as Adam, who is 8 years younger than Earl. Find their present ages.

Robin is ??? years old, Earl is ??? years old and Adam is years old ???

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Math Problem

01/31/16

When will both companies charge the same amount?

Two companies sell and deliver sand and used as base for building patios.company A charges $10 cubic yard and a flat $30 delivery fee for any amount of sand up to 16 cubic yards.company B charges... more

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Math Problem Math Help

01/31/16

How much water should be added to 3 gallons of pure alcohol in order to obtain a solution that is 15% alcohol?

How many gallons?

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Math Problem

01/31/16

Meu bought a boxst twice as Michael a box of markers, and a pen that cost $6 less then the shoulder bag. Write the cost of the pen in terms of b

Mario collected 3G seashells . Jasmine collected 10 more seashells than Mario .write the number of seashells they collected together in terms of g

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Math Problem Math Help

01/31/16

How much of a spice that is 30% salt should be added to 175 ounces of a spice that is 65% salt in order to make a spice that is 50% salt?

How many ounces?

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Math Problem Math Help

01/31/16

2 trucks are traveling in the same direction, 1 going twice as fast as the other. At the end of 6 hours they are 204 miles apart. How fast is each travelling?

? mph and ? mph

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Math Problem Math Help

01/31/16

How much candy at $1.16 a pound should be mixed with candy worth 86¢ a pound in order to obtain a mixture of 60 pounds of candy worth a dollar a pound?

? pounds at $1.16 and ? pounds at 86 cent

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Math Problem Math Help

01/31/16

How much pure maple syrup should be added to 48 tablespoons of a 45% solution in order to obtain a 60% solution?

The answer is ? tablespoons!

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Math Problem

01/29/16

Explain the method used to graph a line using slope and y-intercept?

need help

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Math Problem

01/27/16

It has 3% impurity in a container with 24 liters of water. how many liters of water must be added that the level of impurity to deduct 2%

there are 3% of impurity in a container with 24 L of water.how many L of water must be added that the level of impurity to deduct 2%

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Math Problem Math Math Help

01/25/16

Trigonometric functions

How to solve the following trigonometric function for x sin(pi/4(x-6))= 0.5, 0<x<2pi the answer is 1.33 thankyou

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Math Problem Math Help

01/24/16

Roasted coffee loses 12% of its weight. How much raw coffee will make 14.08 lb of roasted coffee?

It looks easy, but It is hard!

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Math Problem Math Help

01/24/16

The sum of two numbers is 2,490. Find the numbers, if 8.5% of the first one is equal to 6.5% of the other.

This is a very tricky question!

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Math Problem

01/23/16

sum must be 24

Using these numbers my answer has to equal 24. Need to add, subtract , divide, or multiply with the numbers 1,4,5,12 but the answer must be 24. Must use all four numbers and can only use each... more

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Math Problem

01/23/16

Sum must be 24

Need to add, subtract , divide, or multiply with the numbers 1,3, 8,10 but the answer must be 24. Must use all four numbers and can only use each number once.

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Math Problem

01/23/16

an inheritance of $31,000 will be divided between sisters Hannah and Taylor. if Hannah is to receive $9000 less than Taylor, how much does each sister receive?

What I'm trying how to find out what is the total how much each sister receive Taylor_____ and Hannah ______$

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Math Problem

01/22/16

3/2, 9/4, 3, 15/4. what is the formula for this sequence?

i have a hard time with math and fractions so i need help figuring out this sequence formula above.

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Math Problem

01/21/16

Given the sequence 162,54, 18,6 ...find s7

help please

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Math Problem Math Maths Math Help

01/21/16

How does one come to the answer 0.12 from (0.045 + x * 0.504) / (0.003 + x * 0.0105) = 25. What rules are involved to solve this equation?

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Difference of square

what math signs can i use to make the math sentence equal 6

Word problem.. Need help!

The units’ digit of a two-digit number is 5 more than the tens’ digit, and the number is three times as great as the sum of the digits. Find the number.

In a two-digit number the tens’ digit is 1 more than the units’ digit. The number itself is 6 times the sum of the digits. Find the number.

The sum of the digits of a two-digit number is 13. If 27 is added to the number, the digits will be interchanged. Find the number

Robin is twice as old as Earl, and in 6 years he will be three times as old as Adam, who is 8 years younger than Earl. Find their present ages.

When will both companies charge the same amount?

How much water should be added to 3 gallons of pure alcohol in order to obtain a solution that is 15% alcohol?

Meu bought a boxst twice as Michael a box of markers, and a pen that cost $6 less then the shoulder bag. Write the cost of the pen in terms of b

How much of a spice that is 30% salt should be added to 175 ounces of a spice that is 65% salt in order to make a spice that is 50% salt?

2 trucks are traveling in the same direction, 1 going twice as fast as the other. At the end of 6 hours they are 204 miles apart. How fast is each travelling?

How much candy at $1.16 a pound should be mixed with candy worth 86¢ a pound in order to obtain a mixture of 60 pounds of candy worth a dollar a pound?

How much pure maple syrup should be added to 48 tablespoons of a 45% solution in order to obtain a 60% solution?

Explain the method used to graph a line using slope and y-intercept?

It has 3% impurity in a container with 24 liters of water. how many liters of water must be added that the level of impurity to deduct 2%

Trigonometric functions

Roasted coffee loses 12% of its weight. How much raw coffee will make 14.08 lb of roasted coffee?

The sum of two numbers is 2,490. Find the numbers, if 8.5% of the first one is equal to 6.5% of the other.

sum must be 24

Sum must be 24

an inheritance of $31,000 will be divided between sisters Hannah and Taylor. if Hannah is to receive $9000 less than Taylor, how much does each sister receive?

3/2, 9/4, 3, 15/4. what is the formula for this sequence?

Given the sequence 162,54, 18,6 ...find s7

How does one come to the answer 0.12 from (0.045 + x * 0.504) / (0.003 + x * 0.0105) = 25. What rules are involved to solve this equation?

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