MATHEMATICS MIDDLE SCHOOL

Write each sum as a product. Identify the factors in the product

a. 18 + 63

b. 84 + 35

Answers

Answer 1
Answer: a.\n18=9\cdot2;\ 63=9\cdot7\n\n18+63=9\cdot2+9\cdot7=\boxed{9\cdot(2+7)}\n-----------------------------\n\nb.\n84=7\cdot12;\ 35=7\cdot5\n\n84+35=7\cdot12+7\cdot5=\boxed{7\cdot(12+5)}

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A cup of cereal can contain 480480milligrams of salt, which is 20%20%of the recommended daily amount. What is the recommended daily amount of salt?

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Answers

Answer:

11

Step-by-step explanation:

PEMDAS

divide first, then add

Answer: 11

Step-by-step explanation: Divide & multiply first so 12/4 then add 8 which would = 11

Kyle sold an antique through an online auction website. The website host charged Kyle $15,plus 2.5% of the final selling price of the antique. After selling the antique, Kyle had to pay the
website host $32. What was the final selling price of the antique?
A. $68.
B. $600.
C. $680.
D. $1,280.

Answers

The final sellingprice of the antique was $680.

The correct answer is option C.

What is an expression?

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the liketerms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

Let's assume the final sellingprice of the antique to be x.

According to the given information,

Kyle had to pay the website host $15 plus 2.5% of the final sellingprice.

Now,

The totalamount Kyle had to pay.

= $15 + 0.025x.

It is given that Kyle had to pay $32, so we can set up the equation:

$15 + 0.025x = $32

Subtracting $15 from both sides:

0.025x = $17

Dividing both sides by 0.025:

x = $680

Therefore,

The final sellingprice of the antique was $680.

Learn more about expressions here:

brainly.com/question/3118662

#SPJ3
i think about $600. pretty sure

What's is 7x90 it not hard it's not easy it medium

Answers

90 × 7 = 630 , it's not hard, it's easy

Answer:

630

Step-by-step explanation:

The window in Mr. Rodriguez's attic is in two parts, each shaped like a trapezoid and each with identical dimensions.What is the total area of the window in square inches?

Answers

Answer:

552 in ^2

Step-by-step explanation:

formula for trapezium is h(a + b ) / 2

so.....

12(16 + 30 ) / 2 = 276

since there are two....

x 2 and..

552

How can I do this I need help

Answers

Answer:

V = 175

Step-by-step explanation:

Look at the attachment

Answer:

v = 175

Step-by-step explanation:

42 = 7 + v/5

35 = 7 + v/5

175 = v

You would subtract 7 on both sides to leave the V/5 on one side.

V over 5 means V is being divided by 5. So, doing the inverse operation would leave the V on it’s own.

WHAT IS 6 1/3 - 4 2/3

Answers

Hi there, first we have to convert the mixed numbers into improper fractions, 6 1/3=19/3 and 4 2/3=14/3. Now we subtract 19/3 from 14/3. 19/3-14/3=5/3, 5/3=1 2/3, Therefore, 6 1/3 - 4 2/3 = 1 2/3
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