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marshall27 [118]
3 years ago
10

MARK AS BRIANLEST IF ANSWER RIGHT

Mathematics
1 answer:
marishachu [46]3 years ago
8 0

Answer:

x= 13

Step-by-step explanation:

−4/9(18x − 36) = −88

we need to solve the equation for x

\frac{-4}{9}(18x - 36) = -88

First we remove the fraction -4/9

Multiply by -9/4 on both sides

\frac{-9}{4}*\frac{-4}{9}(18x - 36) = -88*\frac{-9}{4}

18x -36 = 198

Now add 36 on both sides

18x = 234

Divide both sides by 18

x = 13





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mihalych1998 [28]

Answer:

m <1 = 30

Step-by-step explanation:

The sum of the angles of a triangle add to 180

Let x be the unknown angle

75+75+x = 180

Combine like terms

150+x =180

Subtract 150 from each side

150-150+x = 180-150

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5 0
3 years ago
Ralph is 3 times as old as Sara. In 4 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now. Ralph's
IgorLugansk [536]
Let
R = Ralph's age
S = Sara's age

First statement is translated as:
S = 3R

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Use the first equation to be substituted into the second one in terms of R which is the one we are actually going to solve for Ralph's age.
Since S = 3R, then
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7 0
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Volgvan

Answer:

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Step-by-step explanation:

4 0
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olga2289 [7]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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