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Vikki [24]
3 years ago
12

Find the reference angle of -455 degrees

Mathematics
1 answer:
ycow [4]3 years ago
6 0
-95 degrees, doing this by adding 360 to the original to give a smaller angle aka reference angle
hope this helps

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How much carbon dioxide will you prevent from entering the atmosphere in one year, if you replace a 100-watt light bulb with a C
Afina-wow [57]

Answer:

280000lb

Step-by-step explanation:

In this question, we shall be calculating the amount of carbon iv oxide prevented from entering the atmosphere.

Generally we know that 1kwh produces 1.37 lbs of Carbon iv oxide in the atmosphere

Now, using a 100 watt light bulb daily for 8 hours, for a year, the amount of Carbon iv oxide produced will be;

100 * 1.37 * 8 * 365 = 40040 lb

Using a 30 watt CFL for 8hrs/ day for a year, we have;

30 * 1.37 * 8 * 365 = 120012 lb

Now calculating the amount of CO2 prevented, we have 40040 - 120012 = 280028 lb = 280000 after rounding up

3 0
3 years ago
The volume v of a sphere with radius r is given by formula v=4/3 . if radius of a spherical rubber ball is 1 1\4 inches , what i
Aliun [14]
Actually, the correct volume formula is:
Sphere Volume   = <span>  4/3 • <span>π <span>• r³
</span></span></span>Sphere Volume   = <span>  (4/3) * PI * (1.25)^3
</span>Sphere Volume   =   (4/3) * PI * <span> <span> <span> 1.953125 </span> </span> </span>
Sphere Volume   =   <span> <span> <span> 8.1812308687 </span> </span> </span> cubic inches
6 0
3 years ago
these are typical bowling scores for 16-20 year olds: 74, 88, 89, 95, 99, 100, 101, 106. What is the mean for the data?
kakasveta [241]
Mean is 94.
Add all of them and then divide with add numbers and medain
3 0
3 years ago
Read 2 more answers
2x+3y = 15<br> x-3y=3<br> Solve
Arada [10]
By process of elimination. 3y and -3y get eliminated. Giving you

3x=18

Divide by 3 on each side

Giving you x=6

Plugging it into equation 2 you get

(6)-3y=3

Taking out the parenthesis you have

6-3y=3

Subtract by 6 on each side giving you

-3y=-3

Divide by -3 on each side giving you

y=1

So the answer for this equation is x=6 and y=1 or the ordered pair (6,1)
6 0
3 years ago
What percent of 125 is 65
Arte-miy333 [17]
The answer is 52%. 65/125=0.52 * 100 = 52%
4 0
3 years ago
Read 2 more answers
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