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Stolb23 [73]
3 years ago
13

Explain why sides that are next to each other in a net have the same side lengths?

Mathematics
1 answer:
Monica [59]3 years ago
5 0

Answer:

Note: Two sides are congruent if they have the same length and angles are congruent if they have the same measure.

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
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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

so

m∠EGC=(1/2)[arc EC+arc DF]

<u><em>Find the value of x</em></u>

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

<u><em>Find the measure of angle EGC</em></u>

m∠EGC=(7x+7)°

substitute the value of x

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3 years ago
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Two antibiotics are available as treatment for a common ear infection in children. • Antibiotic A is known to effectively cure t
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Step-by-step explanation:

the probability of A working is 60% or 0.6, so the probability it does not work is 40% or 0.4.

the probability of B working is 90% or 0.9, so the probability it does not work is 10% or 0.1.

plan 1

it is the probabilty that either A works, or (if it is not working) B works.

0.6 + 0.4×0.9 = 0.6 + 0.36 = 0.96

plan 2

either B works, or (if it is not working) A works

0.9 + 0.1×0.6 = 0.9 + 0.06 = 0.96

both plans have the same success probability.

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2 years ago
What is the range of f(x) = ( 3/4 ) x - 4?
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it's B

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15+x&lt;24 what is the solution to this inequality
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Move all terms not containing x to the right side of the inequality. x < 9

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The equation 4(x – 3)2 – 5 = 139 has two solutions: one positive and one negative. What is the
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Answer:

Step-by-step explanation:

4(x-3)2-5 = 139

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x = -3.95

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