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elena-14-01-66 [18.8K]
3 years ago
6

a granulated cylinder actually contains 7.5 mL of water when Han measures the volume of the water inside the granulated cylinder

his measurement is 7 mm​
Mathematics
1 answer:
vladimir1956 [14]3 years ago
7 0

Answer:

14.5

Step-by-step explanation:

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Kristen takes 2 pages of notes during each hour of class. Write an equation that shows the relationship between the time in clas
kupik [55]

Answer:

y = 2x

Step-by-step explanation:

Kristen writes 2 pages of notes per hour in class. This is the rate of change. The function can be written as a linear equation y = mx where m = 2 pages per hour.

The function is y = 2x where x is hours in class and y is the number of pages.

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How much interest is earned on $2,700 in one year if it is invested at 3%?
Ber [7]
3% of $2,700

Multiply 2,700 times 0.03.

(2,700)(0.03) = 81

$81.00 interest is earned on $2,700 a year if it is invested at 3%.
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3 years ago
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3 years ago
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Patrick raced round a 440 metre circular track and stopped suddenly after 900 metres . How far was she from the starting point a
castortr0y [4]

Answer:

20 meters

Step-by-step explanation:

The track is circular so it means that after Patrick raced the entire track he is back at the starting point. In other words, every 440 meters he is back to the beginning.

So we would have that, if he races round the track twice, he would run 440(2) = 880 meters and he would be back at the starting point.

The problem asks us how far is he from the starting point at the 900 meter mark. If at 880 meters he is at the starting point, then at 900 meters he would be 900-880=20 meters from the starting point.

8 0
3 years ago
The drama club is selling tickets for a play. The profit, y, is
Goshia [24]

Answer:

80 tickets

Step-by-step explanation:

Given the profit, y, modeled by the equation, y = x^2 – 40x – 3,200, where x is the number of tickets sold, we are to find the total number of  tickets, x, that need to be sold for the drama club to break  even. To do that we will simply substitute y = 0 into the given the equation and calculate the value of x;

y = x^2 – 40x – 3,200,

0 = x^2 – 40x – 3,200,

x^2 – 40x – 3,200 = 0

x^2 – 80x  + 40x – 3,200 = 0

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(x+40)(x-80) = 0

x = -40 and x = 80

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Hence the total number of  tickets, x, that need to be sold for the drama club to break  even is 80 tickets

8 0
3 years ago
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