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charle [14.2K]
3 years ago
5

6n+9=-3n-21-6 Show step fast pleaseee

Mathematics
1 answer:
sukhopar [10]3 years ago
5 0

6n + 9 = -3n <u>-21 -6</u>

<u>6n</u> + 9 = <u>-3n</u> -27

   +3n    +3n

9n <u>+9</u> = <u>-27</u>

    -9    -9

<u>9n</u> = <u>-36</u>

<u>Divide by 9 on both sides</u>

n = -4

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Step-by-step explanation:

6 0
3 years ago
Help please! any1 know this​
FrozenT [24]

The area of square: s · s = s²

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So:

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Answer D.

8 0
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3 0
3 years ago
Find two fractions that are not equivalent to 2/4 but that are equivalent to each other
kvasek [131]

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1/5 and 2/10

Step-by-step explanation:

4 0
3 years ago
What is the total perimeter of the pitch and seating area?
natima [27]
1m = 100 cm

so
40 m = 4,000 cm
25 m = 2,500 cm
10 m = 1,000 cm

perimeter of big rectangle = 2(4,000 + 2000) = 12,000 cm
perimeter of small rectangle on the left: 2(2,500 + 800) = 6,600 cm
perimeter of small rectangle on the right: 2(1,000 + 800) = 3,600 cm
perimeter of circle = πd = 3.141593 x 200 = 628.32 cm

total area of the pitch and seating area :
=  12,000 + 6,600 + 3,600 + 628.32 = 22,828.32<span> cm

answer
</span>22,828.32 cm<span>

</span>
4 0
3 years ago
Read 2 more answers
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