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Otrada [13]
3 years ago
8

How do you write 72.1 as a fraction

Mathematics
2 answers:
ruslelena [56]3 years ago
5 0
72 1/10 Someone already asked that lol
babunello [35]3 years ago
3 0

Because the one is in the tenth places then the bottom would be 10.

Then you would do 10 times 72. After that you would add the one.

You should get an improper fraction of 721/10. Simplify that into it's normal form and get

72 1/10.

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A 6-inch candle burns down in 12 hours. After how many hours will it have burned<br> 4 inches?
Zielflug [23.3K]

Answer:

8 hours

Step-by-step explanation:

Let's first find how many inches the candle would have burned in 1 hour.

6 in:12 hours

x: 1 hour

We can divide 12 by 12 to get 1. This means we need to divide 6 by 12 to get x

x=1/2 inches

1/2 inches:1 hour

4 inches: x hours

We divide 4 by 1/2 to get 8. 1/2*8=4. This means...

x=1 hour*8=8 hours

6 0
2 years ago
1<br> 2. Verify that (1 - cos^20) CSc^20 =<br> (4 Points)
dolphi86 [110]
(1-cos^2(x)) csc^2(x)=1

one of the trigonometry rules is sin^2(x) + cos^2(x) = 1 if you rearrange this you realize that sin^2= 1-cos^2(x)

we also know that csc^2(x)= 1/sin^2(x) so now you can rewrite your equation as:

sin^2(x) x 1/sin^2(x) = 1

sin^2(x)/sin^2(x) =1

the LHS (left hand side) can cancel down to 1 because the numerator and denominator are the same

so then 1=1 Therefore LHS=RHS

Hope this helps
3 0
3 years ago
Which could be used to evaluate the expression -6(4 2/3)
olasank [31]

Answer:

-28

Step-by-step explanation:

4 2/3=14/3

-6(14/3)=-2*14=-28

6 0
3 years ago
Maya deposits $8000 into an account that pays simple interest at a rate of 2% per year. How much interest will she be paid in th
Amiraneli [1.4K]
So just find 2% of 8000 and multiply by number of years since

I=PRT
R=rate
T=time in yyears
P=principle
I=interest

8000=principle
rate=2%
time in years=2

2%=0.02
so
I=8000 times 0.02 times 2
I=320

answe ris $320
7 0
3 years ago
The thompson family is buying a car that can travel 70 miles on two gallons of gas . assume that the distance traveled in miles
inna [77]
The car gets 35 mpg.
5 0
3 years ago
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