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marshall27 [118]
3 years ago
10

Given sina = 3/5 and sinB=5/13 find cos(a-B):____

Mathematics
1 answer:
MariettaO [177]3 years ago
3 0
I’m pretty sure the answer is C
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0.6x-0.1=0.5x+2 <br> The solution set is {_} <br><br> PLEASE PLEASE PLEASE EXPLAIN HOW
timurjin [86]

Answer:

21

Step-by-step explanation:

Step 1:

0.6x - 0.1 = 0.5x + 2      Equation

Step 2:

0.1x - 0.1 = 2     Subtract 0.5x on both sides

Step 3:

0.1x = 2.1     Add 0.1 on both sides

Step 4:

x = 2.1 ÷ 0.1    Divide

Ansewr:

x = 21

Hope This Helps :)

3 0
4 years ago
PLS HELP ME.
yarga [219]

Answer:

15092cm^3

Step-by-step explanation:

The total thickness of the strip of metal sheet  would be 2*10=20cm

the new radius of the cylinder would be 9/2+20=24.5cm

Volume of a cylinder: ((pi)r^2)h

the height is 8cm

Volume : (22/7)*24.5^2*8

=15092cm^3

7 0
3 years ago
Find the perimeter of the polygon.
Kaylis [27]

Answer:

I think it's 150

Step-by-step explanation:

(8+7) × 10 = 150

8 0
3 years ago
after 3/4 of a minute a sloth has moved just 3/8 of a foot. what is the sloths speed in feet per minute
grigory [225]
 I think this is how you do it: You would multiply 3/8 to 3/4 min...then convert into decimal..and get 0.5 min.
5 0
3 years ago
After sales tax, a $96 watch costs
andriy [413]
101.28-96 = 5.28
5.28/96 = 0.055
0.055 x 100% = 5.5%
4 0
3 years ago
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