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oksian1 [2.3K]
3 years ago
13

12. Find the measure of the largest angle in the triangle shown.

Mathematics
2 answers:
Art [367]3 years ago
7 0

Step-by-step explanation:

all angles of a triangle sum to 180

180 = 15x + 24x +21x

180=60x

solve for x

then substitute that for 24(x) to get the angle

masha68 [24]3 years ago
7 0

Answer:

Hello! answer: 72

Step-by-step explanation:

the largest angle is 24 × 3 = 72 because 21 × 3 = 63 is less and 15 × 3 = 45 is less and x = 3

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Answer:

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Step-by-step explanation:

First sentence:                 x+y=400

Second sentence           .8x+.85y=400-68

Solve y in the first sentence:  y=400-x

Plug first into second:     .8x+.85(400-x)=332

Distribute:                        .8x+.85(400)-.85x=332

Combine like terms:        -.05x+.85(400)=332

Simplify(multiply):              -.05x+      340=332

Subtract 340 on both sides:    -.05x       =332-340

Simplify(subtract):                     -.05x        =-8

Divide both sides by -.05:              x        =-8/-.05

Simplify (division):                           x        = 160

So y=400-x=400-160=240

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2 years ago
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Answer:

Step-by-step explanation:

hello :

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Answer:

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