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2 years ago

Answer this question I will try to give brainliest but I don't know how so no promises.

Mathematics

2 answers:

a_sh-v [17]2 years ago

3 0

Answer:

d. 4x+12

Step-by-step explanation:

distribute the 4

4*x =4x

4*3=12

therefore its

4x+12

trasher [3.6K]2 years ago

3 0

Answer:

Step-by-step explanation:

4(x+3)

(4 times x) + (4 times 3)

4x + 12 = D

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3 years ago

Use the Law of Sines to find the missing angle of the triangle.

Natasha2012 [34]

Answer:

m∠B = 70.0° (nearest tenth)

Step-by-step explanation:

<u>Sine Rule for Angles</u>

$\sf \dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}$

(where A, B and C are the angles and a, b and c are the sides opposite the angles)

Given:

a = 13
c = 19
A = 40°

Substituting the given values into the formula to find m∠C:

$\implies \sf \dfrac{\sin 40^{\circ}}{13}=\dfrac{\sin C}{19}$

$\implies \sf \sin C=\dfrac{19\sin 40^{\circ}}{13}$

$\implies \sf C=\sin^{-1}\left(\dfrac{19\sin 40^{\circ}}{13}\right)$

$\implies \sf m \angle C=69.96086904^{\circ}$

Interior angles of a triangle sum to 180°

$\implies \sf m \angle A+ m \angle B+m \angle C=180^{\circ}$

$\implies \sf 40^{\circ} + m \angle B+69.960...^{\circ}=180^{\circ}$

$\implies \sf m \angle B=70.03913...^{\circ}$

Therefore, m∠B = 70.0° (nearest tenth)

8 0

2 years ago

Pls help !!!! I will mark as Brainiest

luda_lava [24]

Answer:

13 pounds

Step-by-step explanation:

205-192=13

6 0

3 years ago

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DENIUS [597]

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3 years ago

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FromTheMoon [43]

Answer:

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Step-by-step explanation:

-12 - 6p - (-2)

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Please mark me Brainliest :)

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3 years ago

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