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Nostrana [21]
3 years ago
10

Please HELP Examine the diagram

Mathematics
1 answer:
trapecia [35]3 years ago
6 0

Step-by-step explanation:

A+80+15=180

A+95=180

A=180-95

A=85

B+85=180

B=180-85

B=95

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Please help me with this question with full solutions!!!
Novay_Z [31]

Answer: Choice C

x/w and z/(y+v)

======================================================

Explanation:

All answer choices have that first fraction with a denominator of w. This implies that AB = w is the hypotenuse. This only applies to triangle ABD.

Focus on triangle ABD. It has an opposite leg of AD = x, when the reference angle is ABD (or angle B for short).

So we can say sin(ABD) = opposite/hypotenuse = AD/AB = x/w

x/w is one of the answers

-----------

Also note how y+v is the same for each denominator in the second fraction. y+v is the hypotenuse of triangle ABC. When the reference angle is ABD (aka angle ABC), the opposite side of this same triangle is AX = z

Therefore,

sin(ABD) = sin(ABC) = opp/hyp = AC/BC = z/(y+v)

z/(y+v) is the other answer

Side note: triangle ACD is not used at all.

5 0
3 years ago
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Factor out the coefficient of the variable 1/3b-1/3
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The variable is b, the coefinet is 1/3

remember
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Step-by-step explanation:

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