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balandron [24]
3 years ago
15

Mark charged a battery. Each minute, the percentage of the battery's capacity that was charged increased by 2 . 5 2.52, point, 5

percent. After 1 7 1717 minutes of charging, the battery was 6 1 . 5 61.561, point, 5 percent full. How full was the battery when the charging began?
Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

I think the answer is the battery was 19 percent full when the charging began.

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EXERCISES
mixer [17]

Answer:

Step-by-step explanation:

4, 9, 0, 1,1, 2, 0, 0, 2, 8, 8, 3, 1.

Arrange in ascending order:

0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 8, 8, 9.

The median = middle value = 2.

Lower quartile = 0.5

Upper quartile = 6.

8 0
2 years ago
A regular pentagon with a perimeter of 28 inches is dilated by a scale factor of 8/7 to create a new pentagon. What is the perim
kari74 [83]
The new perimeter is 32 inches. You multiply the scale factor (8/7) by the original perimeter (28) which gives the answer of 32.
7 0
3 years ago
Elisa has a DVD collection. She has 10 horror movies, 20 comedies and 15 action movies. If she picks one at random to watch, wha
Triss [41]
The probability of picking an action movie is 1/3
3 0
3 years ago
The second sentence expresses a relationship between the two unknowns, so we'll use it to write our first mathematical expressio
Nadya [2.5K]

9514 1404 393

Answer:

  C. 2c+12

Step-by-step explanation:

"12 more than 2 times the number of cats" means "12 + 2c", where c is the number of cats.

To get 2 times, we multiply by 2. To get 12 more, we add 12.

3 0
2 years ago
The equation y= 1/2 x +4 is graphed below.which equation would intersect this line at (4, 6)?
Anton [14]

Answer:

we have the equation y = (1/2)*x + 4.

now, any equation that passes through the point (4, 6) will intersect this line, so if we have an equation f(x), we must see if:

f(4) = 6.

if f(4) = 6, then f(x) intersects the equation y = (1/2)*x + 4 in the point (4, 6).

If we want to construct f(x), an easy example can be:

f(x) = y = k*x.

such that:

6 = k*4

k = 6/4 = 3/2.

then the function

f(x) = y= (3/2)*x intersects the equation  y = (1/2)*x + 4 in the point (4, 6)

5 0
3 years ago
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