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1 year ago

Use the Properties of Equality to solve each equation.

1 answer:

6 0

The answer is -25

All you have to do is add -6-9 which equals -25 because “same signs add(+) and keep” “different signs subtract(-)” but “add” means positive number and “subtract” means negative number. Since they are different signs a (+) and a (-) you subtract it.

Hope this helps!

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The first side of a triangle is 9 meters shorter than the second side. The third side is 3 times as long as the first side. The

Alex73 [517]

Answer:

The longest sides is 18 m long.

Step-by-step explanation:

Let x meters be the length of the first side.

The length of the second side = x+9 m.

The length of the third = 3x m.

Perimeter = x + 3x + x + 9 = 39

5x + 9 = 39

5x = 30

x = 6 m.

The other 2 sides are 6+9 = 15 m and 3*6 = 18 m.

7 0

3 years ago

One side of a rectangle is three yards longer than twice the length of another sside. If the perimeter is 27 yards, what is the

professor190 [17]

Answer:

10 yards is the answer

Step-by-step explanation:

2(2x+3)+2x=27

6x+6=27

6x=21

×=31/2

31/2×2+3=10

7 0

3 years ago

Read 2 more answers

Juan received 236 votes in a school electionIf he received 130 more than of the total number 1/3 of votes , how many students vo

Bumek [7]

318 students voted in the election.

Step-by-step explanation:

Given,

Votes received by Juan = 236 votes

Let x represent the number of total votes.

According to given statement;

Juan received 130 more than 1/3 of total votes.

$236=\frac{1}{3}x+130\\\\236-130=\frac{1}{3}x\\\\106=\frac{1}{3}x\\\\\frac{1}{3}x=106$

Multiplying both sides by 3

$3*\frac{1}{3}x=106*3\\x=318$

318 students voted in the election.

Keywords: fraction, division

Learn more about division at:

#LearnwithBrainly

6 0

3 years ago

The length of a rectangular mailing label is

galben [10]

Let w be the width

Then the length is 2w - 2

We also know that the perimeter is 62 cm. The perimeter is the distance around the rectangle, or 2w + 2(2w - 2).

So, 2w + 2(2w - 2) = 62

2w + 4w - 4 = 62

6w = 66

w = 11

So, the length is 2w - 2 = 2(11) - 2 = 22 - 2 = 20

Length = 20 cm

Width = 11 cm

5 0

3 years ago

What is the thousandths place of 6.589

andrezito [222]

The thousand place
Of 6.589 is 0.009 because after the decimal it goes tenths hundredth then thousands

4 0

4 years ago