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icang [17]
3 years ago
6

Pls help just please will mark BRAINLIEST

Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0

Answer:

44.2545

Step-by-step explanation:

you can find the third angle by taking 180-(90+55)=a

a=35

use law of sines

Sin(angle)/(opposite side of angle)=Sin(another angle)/(opposite side of another angle)

so, sin(a)/A=sin(b)/B

sin(35)/33=sin(55)/x

x=sin(55)/(sin(35)/33)

x=44.2545

Hope this helps :)

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Paraphin [41]

The correct answer is 3x+90=180

<em>Because you add the 2x and the x and you get 3x then there is a 90 degree angles so you add that and =180</em>

<em>Once you put it in the equation you can subtract 90 from 180 and you get 90 which you then divided by 3x and x equals 30</em>

<em />

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Fatima earned an 85 average in her science class. The average is based on 6 tests that she takes over the span of the marking pe
LenaWriter [7]

Answer:

Fifth Score = 87

Sixth Score = 95

Step-by-step explanation:

Given

Average = 85

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Sixth\ Score = 8 + x

Required

Set up an equation

Solve for the fifth and sixth score

Average is calculated as thus:

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Substitute 85 for Average

85 = \frac{83 +78 + 87 + 80 + x + 8 + x}{6}

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Hence:

<em></em>Fifth\ Score = 87<em></em>

<em></em>Sixth\ Score = 87 + 8<em></em>

<em></em>Sixth\ Score = 95<em></em>

3 0
3 years ago
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