MATHEMATICS MIDDLE SCHOOL

Translate algebraically and simplify.Find the area of a rectangle with a length that is
4 less than 3 times the width X​

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

Im not answering the question but omg ur and army my bias is suga and im also in middle school

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Ricky is filling an 8 inch by 4 1/2 inch rectangular box with packing peanuts. The peanuts are cubes that come in two different sizes ,1 cubic inch and 1/8 inch .How many peanuts of each size are needed to fill the box?
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What is 15% of 63.20?

Answers

15% means  0.15 .

'of' means 'times'.

The problem is      (0.15) x (63.2) .

I think you can take over and do it from here.
15% of 63.20=9.48

There's your answer 

In what type of situation is it easy to compare two numbers written in scientific notation?Give an answer in a complete sentence.

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To compare two numbers given in Scientific notation, first compare the exponents. The one with the greater exponent will be greater. If the exponent is the same, compare the two numbers that are being multiplied by comparing their decimals.

What is 0.076 in scientific notation

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7.6 x 10^2 that's the answer
I hope this helps you

A problem states that Ursula earns $9 per hour. To write an expression that tells how much money Ursula earns h hours, Joshua wrote (fraction) 9/h. Sarah wrote 9h. Whose expression is correct and why?

Answers

$9 per hour 
the answer is 9h because if you tried to find out how much she earns after 10 hours you would do 9*10=90 not the other one
Sarah, because it tells how much money she earns each hour.

The commission for selling a house is$11825, which is 5.5% of the selling price. What is the selling price of the house?

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In this case, the best method starts with finding one percent of the selling price.  To do this, divide the commission ($11825) by 5.5.  This gets you 1%, which is $2150.  Next, multiply this number by 100, turning 1% into 100%.  Your final answer is $215,000.

Kristina, Liz, and Heather all made cookies. Kristina made 2.4 dozen less than 6 times as many dozen as Heather. Liz made 1.8 dozen more than 5 times as many dozen as Heather. If Kristina and Liz made the same number of cookies, how many dozen cookies did Heather make?

Answers

Answer:

Based on the number of cookies each girl made and if Kristina and Liz made the same number of cookies, then Heather made 4.2 dozen cookies.

Step-by-step explanation:

In order to find the number of cookies that Heather made, you need to set up two equations that represent the number of cookies that Kristina and Liz each made.  Since Kristina made 2.4 dozen less than 6 times as many dozen as Heather, we can represent that with the equation  6c - 2.4.  Since Liz made 1.8 dozen more than 5 times as many dozen as Heather, we can represent that with the equation 5c + 1.8.  We can set both equations equal to each other since Liz and Kristina made the same number, so 6c - 2.4 = 5c + 1.8.  Solving for 'c', which represents how many dozen cookies Heather made, we get 4.2  
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