MATHEMATICS MIDDLE SCHOOL

What’s the missing factor of 27+18 _(3+2)

Answers

Answer 1

Answer:

Answer:

If you are asking 27+18=+(3+2) then the answer is 9

Step-by-step explanation:

27+18=45

3+2=5

45 divided by 5

Answer 2

Answer: What that person said ✅✅

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Resuelve con calculadora y escribe la regla utilizada 36×100=
8×1000=
5.6×10=
5.6×100=
5.6×1000=
2.12×100=

Answers

$36* 100 = 3600\n\n8 * 1000 = 8000\n\n5.6 * 10 = 56\n\n5.6 * 100 = 560\n\n5.6 * 1000 = 5600\n\n2.12 * 100 = 212$

When you multiply by 10, 100, or 1000, you must move the decimal place over by how many zeroes there are. Once there is no more decimals, you add 0's to the end of the number until you are done.

For example, 5.6 x 1000

1000 has 3 zeroes.

That means we need to move the decimal spot 3 times.

5.6 x 1000 = 56 x 100

We got rid of the decimal but we still have 2 zeroes left. So now we just add 2 zeroes at the end of the number.

5.6 x 1000 = 56 x 100 = 5600

I hope that helps! :)

A square is cut out of a circle whose diameter is approximately 14 feet. What is the approximate area (shaded region) of the remaining portion of the circle in square feet? ( where A=rrx2 rr =3.14

Answers

Answer: 56 square feet

Step-by-step explanation:

When a square is inscribed within a circle, the side length of the square is equal to the diameter of the circle, divided by the square root of 2, this is the same as a square being cut out of the circle.

This means that area of the square = $((14)/(√(2) )) ^(2)$

= 98 square feet

Area of the circle is $\pi$ $r^(2)$

= 3.142 X 7 X 7

= 153.958

Area of the remaining portion will be Area of the circle - Area of the square , that is

153 . 958 - 98

= 55. 958

≈ 56 square feet

A circular swimming pool is 21 feet in diameter. What is the circumference of the swimming pool? Use 22/7 for pie

Answers

the circumference of the swimming pool is 66 feet

What is the volume of the right prism?

______in^3

Answers

the volume (base*height) is 162 cubic inch

What is the solution to the equation? 7x + 6 = –22

A. x = -64/7

B. x = -4

C. x = -16/7

D. x = 4

Answers

To solve the equation 7x+6 = - 22, we have to get the variable x alone on one side of the equation.

To do this, first we must subtract 6 from both sides, so that it cancels out with the +6 on the left side.

7x + 6 = - 22 = 7x = -28

Then, we must divide both sides by 7, so that we can get rid of the coefficient of the variable x on the left side of the equation.

7x = -28 = x= -4

Therefore, your answer is
B. x = -4

7x + 6 = -22.

+6 crosses equality sign and changes to -6

7x = -22 -6

7x = -28 Divide both sides by 7

7x/7 = -28/7

x = -4

Option B.

Two stores sell the same computer for the same original price. Store A advertises that the computer is on sale for 25% off the original price. Store B advertises that it is reducing the computer’s price by $180. When Brittany compares the sale prices of the computer in both stores, she concludes that the sale prices are equal.Which equation models this situation?

Let p represent the computer’s original price.

A. 0.25p = p – 180
B. 0.75p = p + 180
C. 0.25(p – 180) = p
D. 0.75p = p − 180