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Dovator [93]
3 years ago
7

What number does x stand for in this equation?

Mathematics
2 answers:
shtirl [24]3 years ago
6 0

Answer:

C. -3

Step-by-step explanation:

Subtract 6 from 27 and then divide 21 (27-6) by -7 to get -3

Svetllana [295]3 years ago
4 0
-7x + 6 = 27

Subtract 6.

-7x = 21

Divide -7 by both sides.

x = -3
C
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1/4 of a pipe is white , 1/2 part of the remaining is blue. If the remaining part is black and the length of this black part is
hram777 [196]

Answer: 14 cm

Step-by-step explanation:

First take out 1/4 of the pipe, the portion that is white.  Then, half of three quarters of the pipe is blue.  1/2 of 3/4 is 3/8.  3/8(blue) + 2/8(white) = 5/8.  Thus, 3/8 of the pipe is black.  Thus, take 5.25(The length of the black portion) and multiply it by 8/3(reciprocal of 3/8) to get 14.

Hope it helps <3

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5 0
3 years ago
Help please, just number 3, thats all im asking, thanks.
Bezzdna [24]

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40.2 * 12 = 482.4

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3 years ago
Stephanie had 7/8 pound of birdseed she use 3/8 pound to fill the birdfeeder how much birdseed to Stephanie have left?
marusya05 [52]

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Step-by-step explanation:

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Step-by-step explanation:

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