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hodyreva [135]
3 years ago
15

A laser printer has 300 sheets of paper and is printing at a rate of 12 pages per minute how many sheets of paper will be left i

n the printer in two and one half minutes of the printer is continuously printing
Mathematics
1 answer:
inysia [295]3 years ago
8 0
It has used 36 pages, so it would have 264 pages :) :) :)

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At higher elevations water boils at lower temperatures. The temperature at which water boils is called the boiling point of wate
Irina-Kira [14]

Answer:

  The boiling point of water is between 84 °C and 88 °C when the elevation is between 3.4 and 4.6 km.

Step-by-step explanation:

You want x such that ...

  84 ≤ B(x) ≤ 88

  84 ≤ 100 -3.5x ≤ 88 . . . . substitute for B(x)

  -16 ≤ -3.5x ≤ -12 . . . . . . . .subtract 100

  4.6 ≥ x ≥ 3.4 . . . . . . . . . . .divide by -3.5; this reverses the inequality

4 0
3 years ago
The average monthly rent for a? 1000-sq-ft apartment in a major metropolitan area from 1998 through 2005 can be approximated by
Lunna [17]

Answer:

  t = 1.107

Step-by-step explanation:

Finding the solution using derivatives involves finding the lower zero of the quadratic that is the second derivative of the given function. That second derivative will be ...

  f''(t) = 12(1.6714)t^2 -6(22.45)t +2(62.27)

  = 20.0568t^2 -134.7t +124.54

  = 20.0568(t -3.35796)² -101.619 . . . . rewrite to vertex form

Then f''(t) = 0 when ...

  t ≈ 3.35796 -√(101.619/20.0568) ≈ 1.10706

__

The solution is perhaps more easily found using a graphing calculator to find the peak of the first derivative. (See attached.) It tells us ...

  t ≈ 1.107

1.1 years after the beginning of 1998 is about 1.2 months into 1999.

Rents were increasing most rapidly in early February of 1999.

8 0
3 years ago
Which of the following triangle cases may have one, two, or zero solutions?
Lunna [17]
I think the correct answer is B. It is the triangle case SSA that may have one, two, or zero solutions. This case can have either number of solutions but it depends on the sides of the triangle given. Having one solution can be all of the cases except SSS, having 2 solutions can only be applied to SSA.
6 0
3 years ago
Explain how you can solve 8x8 if you know how to multiply with 4 but not how to multiply with 8
Mice21 [21]
You can add 8, eight times
7 0
3 years ago
The price of a movie ticket at the theater is $7 for students. The price is higher for adults. A group of 4 students and 3 adult
Marat540 [252]

Given:

Student ticket price = $7

A group of 4 students and 3 adults paid $64  in all for movie tickets.

To find:

Each of the adult ticket cost.

Solution:

Let x be the cost of each adult ticket.

Then, cost of 3 adult tickets = 3x.

Cost of 1 student ticket = $7

Cost of 4 student ticket = $7(4)

According to the question,

7(4)+3x=64

28+3x=64

3x=64-28

3x=36

Divide both sides by 3.

x=12

Therefore, the cost of each adult ticket is $12.

6 0
3 years ago
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