12/18/19

Math questions school

My number isdouble digit number greater than 82 digit added together equals 18 two digits are the same number what is my number

12/18/19

Multiply (8x^3)(2x)^-3. What is true about (8x^3) and (2x)^-3?

The only other thing that my text book says is (Hint: Simplify the expression.). I forgot how to solve with a negative exponent and I can't find the solution in my text book. (2x)^-3 is really... more

12/18/19

algebraic phrase

Write the algebraic phrase corresponding to the phrase: Five times the sum of twice a number and -5.

12/18/19

Math 7th grade algebra for Mrs.Janis's class

Lin's father is paying for a 20 dollar meal. He has a 15%-off coupon for the meal. After the discount,a 7% sales tax is applied. What does Lin's father pay for the meal?Explain or show reasoning

12/17/19

Solve the equation: 13a=−5

12/16/19

My rectangle has a 180mm perimeter, the width is half the length. What is the area?

I want an explanation, let 'L' be length and 'W' be width.

12/16/19

Fractions and division

janissa has 4 plates of brownies. each plate has 1 5/6 brownie on it. how many brownies does she have all together

12/16/19

Math percentages

A container holds 45 ounces of water if 18 ounces are spilled what percent of the water remains in the container

12/16/19

Three more than twice a number k

Write the phrase as an expression

12/15/19

A number * by -12.3 is -73.8

Write as an equation. A number multiplied by -12.3 is -73.8

12/15/19

What graph represents this soultuin

Juan visited a candy store and purchased 7 pounds of candy consisting of Atomic Fire balls and gummy bears. Atomic fireballs cost $4.25 per pound and gummy bears were on sale for $1.25 per pound.... more

12/14/19

Mal biked 6 3/4 miles today ,and noah biked 4 1/2 miles how many times the length of noah's bike ride was mal's bike ride

how many times does 4 1/2 fit into 6 3/4

12/14/19

system of equations

The sum of two numbers is 16. two more than the first number plus three times the second number equals 18. find the numbers.Am lost

12/14/19

system of equations

The sum of two numbers is 16. two more than the first number plus three times the second number equals 18. find the numbers.

12/13/19

What is the value of P

120,000= P x 2.7183(.048 x 30)

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