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SpyIntel [72]
4 years ago
8

8x+4(x-1) simplify the following expression

Mathematics
2 answers:
vesna_86 [32]4 years ago
5 0
8x+4x-4
12x-1
You have to foil then group the "like terms"... you could also just go to cymath tbh
Katyanochek1 [597]4 years ago
4 0
Distribute 4 into x-1
So it makes 8x+4x-4
then Add them together
12x-4
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THIS IS AN EMERGENCY PLEASE HELP MEE!!!!!! I NEED HELP!!!
sertanlavr [38]

Answer:

19 percent i believe

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Use distributive property to express 24+40
GREYUIT [131]
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6 0
3 years ago
Help me pls the quration is hard​
Vanyuwa [196]

Answer:

see explanation

Step-by-step explanation:

The 4 sides of a rhombus are congruent.

(i)

2y + x - 4 = 2x - y ( subtract 2x - y from both sides )

3y - x - 4 = 0 ( add 4 to both sides )

3y - x = 4 → (1)

and

\frac{4x-3y+5}{2} = 2x - y ( multiply both sides by 2 to clear the fraction )

4x - 3y + 5 = 4x - 2y ( subtract 4x - 2y from both sides )

- y + 5 = 0 ( subtract 5 from both sides )

- y = - 5 ( multiply both sides by - 1 )

y = 5

substitute y = 5 into (1)

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15 - x = 4 ( subtract 15 from both sides )

- x = - 11 ( multiply both sides by - 1 )

x = 11

(ii)

then

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8 0
2 years ago
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oksian1 [2.3K]
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3 years ago
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grin007 [14]

Answer:

78%

Step-by-step explanation:

Ok to solve this we can write this as

80 = \frac{73+82+85+83+x}{5}

We put the equation like this because were finding out how much he needs to get on his 5th test x in order to get a 80%

Your grade is the average of all of your scores hence the divided by 5

We next multiply both sides of the equation by 5 to get

400 = 72+82+85+83+x

400=  322+ x

78 = x

He must get a 78% minimum on his next test to get 80%

Hope that helps!

3 0
3 years ago
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