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goblinko [34]
3 years ago
11

Solve the system by substitution y-4x 8x-4y=-40

Mathematics
1 answer:
Andru [333]3 years ago
7 0

Answer:

X = 10/3

Step-by-step explanation:

8x - 4y = -40

y - 4x

10+2x - 4x = 10 - 2x

8(10 - 2x) -4(10 + 2x) = -40

x = 10/3

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8 0
3 years ago
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Helene bought 6 bottles of juice. The bottles were on sale at 10 bottles for $12. Which explanation correctly tells how to calcu
Makovka662 [10]
<span>she wanted to buy 6 bottles.
the cost of 10 bottles was $12.
therefore we need to find the cost of one bottle and then find the cost for 6 bottles.                                           
if 10 bottles cost - $ 12                                                                                  
then 1 bottle costs - $ 12 / 10 bottles
                                         
here we divided 12 by 10 , cost of 1 bottle is 12/10 to find the cost of 6 bottles we have to multiply by 6 .12 / 10 x 6
                                                                                 
correct answer is therefore B. divide 12 by 10 and then mulitply by 6</span>
8 0
3 years ago
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BRAINLIEST DONT ANSWER UNLESS YOU KNOW
katrin [286]

Answer:

its b

Step-by-step explanation:can i get brainliest

7 0
3 years ago
Solve for x. x/2 ≥−4<br> A. x ≥ −2<br> B. x ≥ −8<br> C. x ≤ −8<br> D. x ≤ −2
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Answer is answer is option B
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3 years ago
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Answer:

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Step-by-step explanation:

100%=888 BUGS

125%=X

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3 years ago
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