3 years ago

Solve for f. -f + 2 + 4f=8–3f

Mathematics

2 answers:

nadezda [96]3 years ago

8 0

Answer:

f=1

Step-by-step explanation:

3f+2=8-3f

6f=6

f=1

checking answer:

-1+2+4=8-3

5=5

weeeeeb [17]3 years ago

3 0

Answer: Answer: The answer should be f = 1.

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3 years ago

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3 years ago

Read 2 more answers

Use the Law of Sines to find the missing angle of the triangle. Find m<b to the nearest tenth.

defon

1. By the Law of Sines, you have:

SinA/a=SinB/b=SinC/c

2. You don't need the fraction SinC/c, so you can eliminate it. Then:

SinA/a=SinB/b

A=40°
a=19
B=m∠b
b=13

3. When you substitute this values into SinA/a=SinB/b, you obtain:

SinA/a=SinB/b
Sin(40°)/19=SinB/13
SinB=13xSin(40°)/19
m∠b=SinB^-1(13xSin(40°)/19)
m∠b=26.1°

Therefore, the answer is: 26.1 degrees.

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3 years ago