3 years ago

Would someone do number 10 and 12

Mathematics

1 answer:

Sliva [168]3 years ago

5 0

Answer:

they would divide it

Step-by-step explanation:

because that what some people would do

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Which expression is equivalent to -1/4( -1/2x - 3/4) -1/2 ( 3/4x + 1/8)

solniwko [45]

Answer:

Step-by-step explanation:

$\frac{-1}{4}(\frac{-1}{2}x-\frac{3}{4})-\frac{1}{2}(\frac{3}{4}x+\frac{1}{8})\\\\=\frac{-1}{4}*\frac{-1}{2}x-\frac{-1}{4}*\frac{3}{4}-\frac{1}{2}*\frac{3}{4}x-\frac{1}{2}*\frac{1}{8}\\\\=\frac{1}{8}x+\frac{3}{16}-\frac{3}{8}x-\frac{1}{16}\\\\=\frac{1}{8}x-\frac{3}{8}x+\frac{3}{16}-\frac{1}{16}\\\\=\frac{(1-3)x}{8}+\frac{3-1}{16}\\\\=\frac{-2}{8}x+\frac{2}{16}\\\\=\frac{-1}{4}x+\frac{1}{4}$

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3 years ago

Forty students are In Science club. Of those 45% are girls. This percent increase 56% after new girls join the club. How many ne

stepan [7]

45% of 40 is 0.45×40=18 girls
if x girls join then 56% of 40+x is 0.56(40+x)=18+x
22.4+0.56x=18+x
put together like terms
4.4=0.44x
<span>x=10 girls joined</span>

8 0

3 years ago

Pls answer all 5! Will mark brainliest!!

Wewaii [24]

Answer:

1)A

2)B

3)A

4)C

5)D

Step-by-step explanation:

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2 years ago

HELPPPP PLEASE no one would answer pleasee

ycow [4]

Hey.. I know you haven’t been able to find much help, but if you are still struggling this might help.

Try to set it up as an equation for example 25x +25=10x +15 and rewrite it in standard form and see if that helps

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2 years ago

A coordinate grid with 2 lines. The first line passes through (0, negative 5) and (negative 5, 0). The second line passes throug

myrzilka [38]

Answer: (0,-5)

Step-by-step explanation:

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2 years ago

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