3 years ago

10

Mathematics

1 answer:

Svetllana [295]3 years ago

5 0

Answer:

22 length is the answer

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Solve the triangle for all missing sides and angles

Mama L [17]

Answer:

x = 35

C = 18.92

A = 71.07

Step-by-step explanation:

Use the Pythagorean theorem to find the unknown side.

$a^{2} +b^{2} =c^{2} \\\\\\12^{2} +x^{2} =37^{2} \\x^{2} = 37^{2}-12^{2}\\x=35$

For Angle C

The angle C can be found using the inverse sine function.

C=arcsin(opp/hyp)

C=arcsin(12/37)

C=18.92

For Angle A

The sum of all the angles in a triangle is 180 degrees.

A + 90 + 18.92 = 180

A = 71.07

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Simply 3(a+2b) - 5(a-b)=

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Step-by-step explanation:

3(a+2b) - 5(a-b)

we apply distributive property:

3*a + 3*2b - 5*a + 5*b

3a+ 6b -5a +5b

-2a +11b

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Brian had 42 class fare tickets to sell he sold 5/6 of the tickets. How many tickets did Brian and sell.

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