Answer:
b= 3a-c
Step-by-step explanation:
Solve for b.
a= 1/3(b+c)
multiplying both sides by 3.
3a= b+c
subtract c from both sides.
3a-c=b
or
b= 3a-c
Answer:
49.2°
Step-by-step explanation:
To solve for x you'll need to find the cosine of x°.
To find the cosine you will need to divide the adjacent side to it by the hypotenuse.
cos x°=
Using a calculator to solve you'll get that x ≈ 49.2°
Answer:
width is 198
Step-by-step explanation:
60=2(114+b)
60=228+2b
2b= 168
b or W is 198.
Answer:
find 80 percent
Step-by-step explanation:
Answer:
13:117 = 1:3
5:125 = 1:5
8:128 = 1:4
12:48 = 1:2
Step-by-step explanation:
117/13 = 9
√9 = 3
125/5 = 25
√25 = 5
128/8 = 16
√16 = 4
48/12 = 4
√4 = 2