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babunello [35]
3 years ago
6

I dont know how to begin? Please help

Mathematics
1 answer:
34kurt3 years ago
7 0

Answer:

Step-by-step explanation:

1.you have to set up a proportion(x/120 = 20%/100%

2.you have to cross multiply

3.you have to divide 100x by the number you get

4.you got your answer.

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An arc of length 15ft subtends a central angle 0 in a circle of radios 9ft. Find measure of 0 in degrees
Kisachek [45]

Answer:

95.49°

Step-by-step explanation:

The arc length formula is s = rФ, where r is the radius and Ф is the central angle in radians.  Here, r = 9 ft and s = 15 ft.  Thus, the central angle Ф is

Ф = (15 ft) / (9 ft) = 5/3 radians, or

5 rad       180°

------- * ---------- = 95.49°

      3       π rad

6 0
3 years ago
Somebody please help!! pleaseeee
Stolb23 [73]
D...................
4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B2x%7D" id="TexFormula1" title="\frac{3}{2x}" alt="\frac{3}{2x}" align="absmid
defon

Answer:

x=35/78

Step-by-step explanation:

3/2x-11/5=(7/8)*(64/49)

3/2x-11/5=8/7

3/2x=8/7+11/5

3/2x=117/35

x=(35*3)/(2*117)

x=35/78

3 0
3 years ago
What is the answer? <br> May you please help me on this<br> Plsss asapp
sergey [27]

Answer:

i believe its c

Step-by-step explanation:

6 0
2 years ago
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