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lozanna [386]
2 years ago
8

The length of a rectangle is 3 meters less than twice it's width. Write and equation to find out the length of the rectangle.

Mathematics
1 answer:
kompoz [17]2 years ago
8 0

Perimeter=2(2*width-3)+2*width
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2 (-n -3) -7 (5 + 2n)
leonid [27]

Answer: -16n-41

Step-by-step explanation:

first, distribute 2 through the parentheses:

<u>2(-n-3)</u>-7(5+2n) = <u>-2n-6</u>-7(5+2n)

second, distribute 7 through the parenthesis:

-2n-6<u>-7(5+2n) </u>= -2n-6<u>-35-14n</u>

Collect like terms:

<u>-2n</u>-6-35 and <u>-16n</u>-6-35

Calculate the difference:

-2n<u>-6-35</u>-14n = -16n-<u>41</u>

SOLUTION:

<u>-16n-41</u>

7 0
2 years ago
Help me with this please
kompoz [17]

Answer: (5.5 , -1.5)

19 + (-8) / 2 = 5.5

15 + (-18) / 2 = -1.5

8 0
2 years ago
Counterexamples John says that if one side of an inequality is 0, you
Burka [1]
He may be wrong. If he was wrong, this is the example. 

0 < -10x

If we were to divide both sides by -10, even though the answer would be undefined or just end up as zero, it is just a common rule to always flip the sign whenever you divide or multiply by a negative. 

Don't quote me on it, but I think I'm right.

Hope this helped!

5 0
2 years ago
Read 2 more answers
3p-(-20)=50 what is p?
zlopas [31]
3p-(-20)=50

3p+20=50  subtract 20 from both sides

3p=30  divide both sides by 3

p=10
3 0
3 years ago
Read 2 more answers
F (x) = x + 5 and g(x) = x2 − 2x
aev [14]

Answer:

Step-by-step explanation:

6 0
2 years ago
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