2 years ago

HELP!!! PLEASE HELP ME!

Mathematics

1 answer:

Karolina [17]2 years ago

3 0

5+2+7
Hope this helps

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Use the Distributive Property to simplify (–5 – c)( –1).

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4 months ago

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C - 21 = 16 <br> c=___? HELP!

Natalka [10]

Answer:

Original equation: C-21=16

Add 21 to both sides: C=37

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2 years ago

In parallelogram RSTU, what is SU?

serious [3.7K]

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3 years ago

Convert 3 18/25 to a decimal using long division.

zaharov [31]

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3 0

2 years ago

Help please ! thank u

KonstantinChe [14]

Given:

In triangle $ABC,m\angle A=138^\circ,c=19,a=29$ .

To find:

The $m\angle C$ .

Solution:

According to the law of sines:

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

Taking $\dfrac{\sin A}{a}=\dfrac{\sin C}{c}$ , we get

$\dfrac{\sin 138^\circ}{29}=\dfrac{\sin C}{19}$

$\dfrac{0.66913}{29}\times 19=\sin C$

$0.4383959=\sin C$

Taking sin inverse on both sides, we get

$\sin{-1}0.4383959=C$

$26.001577^\circ=C$

$C\approx 26^\circ$

Therefore, the correct option is b.

6 0

2 years ago