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3 years ago

How do you solve question 27 and 28

Mathematics

2 answers:

Brrunno [24]3 years ago

6 0

Answer:#1 C.30 #2 40

Step-by-step explanation:

3x+15=7x-5

3x+15+5=7x-5+5

3x+20=7x

3x-3x+20=7x-3x

20=4x

20/4=4/4x

5=x so if it is an equilateral all sides are equal so 3(5)+15=30 so the answer should be 30

So the triangle in #2 is an isoceles so two of the angles are equal so the equation is 2(2x-24)+3x+4=180

4x-48+3x+4=180

7x-44=180

7x=224

x=32

2(32)-24

64-24=40

Nataly_w [17]3 years ago

5 0

You solve it like the person up there said people are really smart these days lol

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2 years ago

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Answer:

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Step-by-step explanation:

Given:

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3 years ago

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Answer:

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Step-by-step explanation:

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