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AveGali [126]
2 years ago
14

NO LINKS !!!! Giving brainliest. Geometry with triangles word problem.

Mathematics
1 answer:
Novosadov [1.4K]2 years ago
6 0

Answer:

for a, look at my picture

b = 19.5 inches

Step-by-step explanation:

A is simple. thats my take on it, but other people coudl've drawn it differently

B is more difficult. I made triangle QRS like that so i can make a ratio.

My ratio:

QX:QY = QR:QS

8:12=13:QS

13*12 = 8*QS

156/8 = 19.5

therefore 19.5 inches

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ASAP MAJOR HELP NEEDED. I really need help. I am very confused on how to do this please help.
alexandr402 [8]

Because the 2 sides of the triangle are the same, they are both 21, the two bottom angles would also be the same.


The 3 inside angles of a triangle must equal 180 degrees.


The top angle is given as 38, so the remaining two angles must equal 180 - 38 = 142 degrees.


Since the 2 bottom angles would be the same, divide 142 by 2 to get x.

X = 142 / 2 = 71 degrees.


6 0
3 years ago
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2 years ago
2y = x + 3 5y = x - 7 What is the solution set of the given system?
prohojiy [21]
<span>2y = x + 3 then x = 2y - 3
5y = x - 7 then x = 5y + 7

so 
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y = -10/3
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<span>2y = x + 3
</span>2 (-10/3) = x + 3
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or
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3 years ago
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allochka39001 [22]

Answer:

Part 1) y=-\frac{2x}{B}x+\frac{16}{B}

Part 2) y=-\frac{1}{4}x+2

Step-by-step explanation:

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y=mx+b

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2x+By=16

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Part 2)

we know that

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y=mx+b

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8y=-2x+16

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y=-\frac{2x}{8}x+\frac{16}{8}

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3 years ago
Questlon 10 of 10
Juli2301 [7.4K]
The answer is 75 degrees. These are supplementary angles so
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2 years ago
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