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2 years ago

What is the missing numerator?

Mathematics

2 answers:

OlgaM077 [116]2 years ago

6 0

Answer:

Step-by-step explanation:

Ok, so first, you need to get the denominators to be equal so you'd multiply x/5 by 4 to get 4x/20 and -1/4 by 5 to get -5/20

4x/20 - 5/20 = 11/20

add 5/20 to get 16/20

4x/20 = 16/20

multiply both sides by 20 to cancel out fractions

4x = 16

divide by 4

x=4

Simora [160]2 years ago

4 0

Answer:

Step-by-step explanation:

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Find the measure of ∠EGC. Circle A with chords EF and CD that intersect at point G, the measure of arc EC is 50 degrees, the mea

miv72 [106K]

Answer:

m∠EGC=70°

Step-by-step explanation:

we know that

The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite

m∠EGC=(1/2)[arc EC+arc DF]

Find the value of x

we have

m∠EGC=(7x+7)°

arc EC=50°

arc DF=10x°

substitute and solve for x

(7x+7)°=(1/2)[50°+10x°]

14x+14=50+10x

14x-10x=50-14

4x=36

x=9

Find the measure of angle EGC

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substitute the value of x

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Answer:

Step-by-step explanation:

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