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11Alexandr11 [23.1K]
3 years ago
8

Find A U B. please help much needed!

Mathematics
1 answer:
kvasek [131]3 years ago
6 0

Answer:

A u B = {3,5,6,7,8,11,12}

Step-by-step explanation:

A = {3,6,7,11}

B = {3,5,7,8,12}

A u B = {3,5,6,7,8,11,12}

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In triangle ABC find b to the nearest degree given a=7 b=10 and c is a right triangle
eimsori [14]

Answer:

∠B =55.00797173^{\circ}

Step-by-step explanation:

Given : a=7 b=10 and C is a right triangle

solution :

refer the attached figure .

Since ΔACB is right angled triangle so we will use trigonometric ratios .

tan\theta=\frac{perpendicular}{base}

Perpendicular = b =10

Base=a=7

Putting value in formula:

tanB=\frac{10}{7}

tanB=1.42857

B=tan^{-1}1.42857

B=55.00797173^{\circ}

Thus ∠B =55.00797173^{\circ}

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2 years ago
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2 years ago
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Debora [2.8K]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
PLEASE HELP ASAP
Leno4ka [110]

Answer:

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Step-by-step explanation:

we know that

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3 years ago
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Answer:

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Step-by-step explanation:

Use the exponent rule

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2 years ago
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