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son4ous [18]
4 years ago
14

1. c+z when c = 3 and z = 17

Mathematics
1 answer:
ivann1987 [24]4 years ago
8 0
1) 3+17= 20
2) 40-15= 25
3) 3 x 20= 60
4) 35/5= 7
5) 2 x 6= 1
12= 1
1/12.
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This is a test do not answer
Alexxx [7]

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3 years ago
thank you for hurrying here is the very last one Explain how you would find the perimeter of this triangle.
Lena [83]

Step-by-step explanation:

Use the method of TOA CAH SOH.

tan(51.3) =  \frac{opp}{adj}  \\  \tan(51.3)  =  \frac{u}{4}  \\ u = 4 \tan(51.3)

cos(51.3)  =  \frac{adj}{hypo}  \\  \cos(51.3)  =  \frac{4}{v}  \\ v \cos(51.3)  = 4 \\ v =  \frac{4}{ \cos(51.3) }

Perimeter of triangle = Sum of all sides =

u \:  +  \: v + 4

5 0
3 years ago
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Pls help i’m very confused
zhuklara [117]

Answer:

m<EBD = 130 degrees

Step-by-step explanation:

We can say that Line EC is bisected by Line AD at point B.  The angle CBD = 50 degrees is a supplement of the bisected line EC.  With this in mind we can say:

EBD + CBD = 180

And we can solve for EBD:

EBD + CBD = 180

EBD + 50 = 180

EBD = 130

So the measure of angle EBD is 130 degrees.

Cheers.

5 0
4 years ago
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What is 563 times 38
Yuliya22 [10]
What is 563 times 38 ?

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7 0
3 years ago
Help me plz need smart people
Genrish500 [490]
The answer to 9 is 87.

The answer to 10 is x=91, y=89, and z=31

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