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natita [175]
3 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]3 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 high school took two field trips to the Newport Aquarium many many years ago. They used school buses and vans to transport a
il63 [147K]

Answer:

bus = 43

van 12

Step-by-step explanation:

This can be solved using simultaneous equations

Let v represent the number of students that a van carries

Let b represent the number of students that a bus carries

the following equations can be derived from the question

3v + 2b = 122 eqn 1

5v + 3b = 189  eqn 2

Multiply eqn 1 by 5 and eqn 2 by 3

15v + 10b = 610  eqn 3

15v + 9b = 567 eqn 4

Subtract equation 4 from 3

b = 43

Substitute for b in equation 1

3v + 2(43) = 122

solve for v

v = 12

5 0
2 years ago
Slope is 2 and (−1, 6) is on the line; point-slope form
MissTica

Answer:

y-6=2(x-(-1))

Or simplified:

y-6=2(x+1)

Step-by-step explanation:

use the formula: y-y1=m(x-x1)

8 0
3 years ago
A stone is dropped of a 1296-ft-cliff. The height of the stone above the ground is given by the equation h= - 16t^2+1296, where
stich3 [128]

When stone hits the ground, it's height will be zero, and since we're finding the time that's required for the stone to hit the ground, we can set h = 0 and solve for t.

3 0
2 years ago
cody and his friends started playing a game at 6:30 p.m. it took them 37 minutes to finish the game at what time did they finish
Lelechka [254]
The answer is 7:17 because when you add them together it equals 7:17.
7 0
3 years ago
Read 2 more answers
3. Determine whether each relationship represents a function. Explain your reasoning.
topjm [15]
In order for something to be a function, it has to pass the vertical line test, atleast in the standard coordinate plane. This is because a single x value can’t correlate with two separate y values. So the first one is not and the second one is
5 0
3 years ago
Read 2 more answers
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