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Sati [7]
3 years ago
6

After each charging, a battery is able to hold only 99% of the charge from the previous charging. The battery was used for 15 ho

urs on its first charge before it had to be recharged. What is the total number of hours the battery can be used over its lifetime?
Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0

Answer: 13.5 hours or 14 hours (if you round it)

Step-by-step explanation:

\frac{0.90}{1.00} * 15

=13.5

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PLEASE HELP!! Important test!! Option 1 isn't coming up so if you could try to solve others that would be great!
UNO [17]

Answer:

4

Step-by-step explanation:

Func 2 is -2

Func 3 is 1

Func 4 is 8

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4 0
3 years ago
What is the solution of each system of equations? Show your work-6x-5y=64x+y=3
elena55 [62]

Answer:

-6y = 70x = 3

Step-by-step explanation:

-6x - 5y= 64x+ y=3

 ---------------------------  

       -y            - y

---------------------------------

-6x -6y = 64x = 3

------------------------------------

+6x        +6x

-------------------------------------

-6y = 70x = 3

6 0
3 years ago
Read 2 more answers
Please help me(20 points will give brainliest!!!)
goblinko [34]

Answer:

A. Vertex is ( -1, 16)

B. Do they mean y-intercept for vertical intercept? That is (0,14)

C. X-intercepts are

(-3.838, 0) and (1.828, 0)

Step-by-step explanation:

plug the equation into desmos. It will graph and give you the info.

To find y-int, plug in 0 for x. This gives you the point 0, 14.

You can also use the quadratic equation to find the x-intercepts.

6 0
2 years ago
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Please help me I can't do this answer
Tomtit [17]

Answer:

Its option number 2 perhaps, sorry if im wrong

Step-by-step explanation:

6 0
3 years ago
If M <1 = 115 degrees what is m <2
SIZIF [17.4K]

Answer:

M<2= 65

Step-by-step explanation:

The reason it is 65 because 2 angles add up to either 90 or 180 and in this case it would be 180.

You would use angle addition postulate to find the answer so M<1 + M<2 = 180.

Since M<1 is 115 you would substitute it into the formula so 115 + M<2 = 180

Then you would subtract 115 from 180 in which you would get M<2 = 65

6 0
3 years ago
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