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natita [175]
4 years ago
10

A laptop battery has 84% power after 1 hour of use and 68% after 2 hours of use.

Mathematics
1 answer:
stiv31 [10]4 years ago
3 0

Answer: Ok? but what's you question? You just said the info but whats ur question

Step-by-step explanation:

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The two figures are similar. Find the ratios (red to blue) of the perimeters and of the areas.
KatRina [158]
5:8 i sthe answer to your question...
4 0
3 years ago
Pls help me help me ​
sasho [114]

Answer:

A

Step-by-step explanation:

For an inequality to have a shaded area above the graph, the variable has to be on the left side of a greater than sign, or a greater than or equal to sign.

A is the only option with one of these signs, so it is the correct answer.

5 0
3 years ago
(x-8)(2x+5)=0 solve the equation
dmitriy555 [2]

Answer:

x=8

Step-by-step explanation:

x= -5/2=-2 1/2= -2.5. If you add all of those up you will get x=8

<h2><em>Hope this helps and have a great day :)</em></h2>
8 0
3 years ago
A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet.
natali 33 [55]
I would say 75 feet per hour, though I am not 100% sure.

I first found the difference between hours (6-2 = 4) and then found the difference between distance (700 - 400 = 300). I then divided distance by hours and got 75.
4 0
3 years ago
The weekly amount spent for maintenance and repairs in a certain company has an approximately normal distribution with a mean of
STALIN [3.7K]

Answer: Our required probability is 0.0062.

Step-by-step explanation:

Since we have given that

Mean = $600

Standard deviation = $40

\bar{X}=\$700

First we will find the test statistic value:

z=\dfrac{\bar{X}-\mu}{\sigma}\\\\z=\dfrac{700-600}{40}\\\\z=\dfrac{100}{40}\\\\z=2.5

By using the Standard normal table,

So, the probability that the actual costs will exceed the budgeted amount is given by

P(Z>2.5)=0.0062

Hence, our required probability is 0.0062.

4 0
3 years ago
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