3 years ago

Plz help me plz fugugughfufgfhvjgu

Mathematics

1 answer:

Anon25 [30]3 years ago

8 0

Answer:

B is the only one i know, sorry.

Step-by-step explanation:

Hope this helped

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2/3(3x+9)=-2(2x+6) Solve for x

NikAS [45]

Greetings!

Solve for x.
 $2/3(3x+9)=-2(2x+6)$
Distribute the Parenthesis.
$2/3*3/1x+2/3*9/1=-2*2x-2*6$
Simplify.
$6/3x+18/3=-4x-12$
Reduce.
$2x+6=-4x-12$
Add 12 to both sides.
$(2x+6)+12=(-4x-12)+12$
Simplify.
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Subtract both sides by 2x.
$(2x+18)-2x=(-4x)-2x$
Simplify.
$18=-6x$
Divide both sides by -6.
$(18)/-6=(-6x)/-6$
Simplify.
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Hope this helps.
-Benjamin

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3 years ago

Rod's scores on 4 history tests are 88,96,98,and 90. What score does he need on the fifth test to have a mean score of 94 on all

aleksandrvk [35]

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Add all the numbers
(372+x)/5=94
Multiply both sides by 5
372+x=470
Subtract 372 from both sides
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Double check:
88+96+98+90+98=470/5=94

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