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cricket20 [7]
2 years ago
12

In the equation X+7=12. what is the variable?​

Mathematics
2 answers:
Sonbull [250]2 years ago
4 0

Answer:

If i subtract seven on both sides. It's going to cancel on the left and on the right side i get negative 19.

Nadusha1986 [10]2 years ago
3 0

Answer:

X

Step-by-step explanation:

It's a symbol (usually a letter) standing in for an unknown numerical value in an equation.

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Find the sum of 2/6 +7/6​
ladessa [460]

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your answer is 9/6, which simplifies to 3/2, or 1 1/2

Step-by-step explanation:

8 0
2 years ago
The plan for the Thorne’s backyard play area, shaped like a trapezoid, is shown. The area of the play area is 286.56 square feet
lorasvet [3.4K]

The length of material needed for the border is the perimeter of the backyard play area

<h3>How to calculate the length of material needed </h3>

The area of the play area is given as:

Area = 286.56

The area of a trapezoid is calculated using:

Area = 0.5 * (L1 + L2) * H

Where L1 and L2, are the parallel sides of the trapezoid and H represents the height.

The given parameter is not enough to solve the length of material needed.

So, we make use of the following assumed values.

Assume that the parallel sides are: 25 feet and 31 feet long, respectively.

While the other sides are 10.2 feet and 8.2 feet

The length of material needed would be the sum of the above lengths.

So, we have:

Length = 25 + 31 + 10.2 + 8.2

Length = 74.4

Using the assumed values, the length of material needed for the border is 74.4 feet

Read more about perimeters at:

brainly.com/question/17297081

6 0
2 years ago
When a number is increased by 2.8%, the result is 56. What is the original number to
Sever21 [200]

Answer:

The original number was 54.5.

Step-by-step explanation:

If a number is increased by 2.8%, then it is 102.8% of it's original number.

In mathematics, "of" in virtually all cases means "multiplied by".

Therefore, we do the opposite:

1. Convert to a decimal.

102.8% = 1.028

2. Divide by the decimal.

56 \div 1.028 = 54.47

3. Round it to the nearest tenth.

54.47 rounds to 54.5.

6 0
3 years ago
Last one yall pls help me!
Xelga [282]

Answer:

8. 5/6

9. 6.25 or 6 1/4

10. 14.4 Fish

Step-by-step explanation:

8. Reduce the fraction. (20/24) You can divide both the numerator and denominator by 4.

9. Divide 75 by 12

10. Divide 72 by 5

8 0
2 years ago
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