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katrin2010 [14]
3 years ago
14

Which is the correct one???

Mathematics
2 answers:
inysia [295]3 years ago
7 0

Answer:

x=12    Hope this helps!!!

Step-by-step explanation:

Remember a straight line equals 180 and when you have the box the angle is 90 degrees. Try solving the equation 5x-22+4x+4+90=180.

5x-22+4x+4+90=180    (combine like terms)

9x+72=180         (subtract 72 from both sides)

9x=108               (divide 9 on both sides)

x=12                    

Alik [6]3 years ago
6 0

Answer:

52

Step-by-step explanation:

5x-22+4x+4 = 90

9x-18=90

9x=108

x=12

4*12+4

52

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The difference in age between Brita and her daughter Eva is 30 years. The sum or their ages is 118. How old is Eva?
seraphim [82]

Answer: 44 years

Step-by-step explanation:

Let Brita's age be x and the daughter's age be y , then from the first statement :

x - y = 30

From the second statement :

x + y = 118

solving the resulting linear equation , add the two equations , we have

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substitute 74 into equation 1 to find the value of y

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Therefore :

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6 0
2 years ago
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Fed [463]

Answer:

The answer is 60.

Step-by-step explanation:

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Now, apply the fraction rule(\frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}):

\frac{48}{1}×\frac{5}{4}

Cross-cancel(common factor of 4):

\frac{12}{1}×\frac{5}{1}

Multiply:

\frac{12 x 5}{1 x 1}

Simplify:

12 x 5=60

The answer is 60

hope this helps :)

4 0
3 years ago
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<h3>How to determine the formula of g(x)?</h3>

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Express as a function

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Hence, the formula of g(x) is g(x) = -0.8x - 1.6

Read more about linear functions at:

brainly.com/question/4025726

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