2 years ago

Can someone help with this?

Mathematics

2 answers:

BaLLatris [955]2 years ago

5 0

The answer is 8, I hope this helped :)

Monica [59]2 years ago

4 0

Answer:

Step-by-step explanation:

10(4)-2(4)^2

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In △ABC, m∠A=19°, a=13, and b=14. Find c to the nearest tenth.

34kurt

We know that
Applying the law of sines

step 1
Find the value of angle B
a=13
b=14
A=19°
so

$\frac{a}{sin A} = \frac{b}{sin B} \\ a*sin B=b*sin A \\ sin B= \frac{b}{a}*sin A \\ sin B= \frac{14}{13} *sin 19 \\ sin B=0.3506 \\ B=arc sin(0.3506) \\ B=20.5$ °

step 2
with angle A and angle B find the angle C
A+B+C=180-----> solve for C
C=180-(A+B)------> C=180-(19+20.5)-----> C=140.5°

step 3
$\frac{a}{sin A} = \frac{c}{sin C} \\ a*sin C=c*sin A \\ c=a* \frac{sin C}{sin A} \\ c=13* \frac{sin 140.5}{sin 19} \\ c=25.4$

the answer is
the value of c is 25.4

3 0

3 years ago

Please help and give good answers

FrozenT [24]

Answer:

y=3x+9 I'm pretty sure

8 0

2 years ago

Read 2 more answers

James has to fill 40 water bottles for the team. Each bottle holds 500 millimeters of water. How many liters of water does James

Advocard [28]

Answer: