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Vsevolod [243]
1 year ago
7

B) A color printer prints 20 pages in 7 minutes. How many minutes does it take per page nearest hundredth

Mathematics
1 answer:
Elodia [21]1 year ago
6 0

Okay, here we have this:

Considering the provided information, we are going to calculate how many minutes does it take per page to print, so we obtain the following:

Then from the statement we are going to calculate the time per page using the following formula:

Time per page = Total time / Total pages

Replacing:

Time per page = 7 minutes / 20 pages

Time per page = 0.35 minutes per pages

Finally we obtain that it take 0.35 minutes per page.

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10th grade Geo | What does JK equal?
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Answer:

16

Step-by-step explanation:

6x-7=2x+3 Cause point M is the midpoint, so JM and MK have to be equal.

4x=10

x=2.5

JM=15-7=8 and MK=5+3=8

8+8=16

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2 years ago
Which of the graphs below represents the soltuion set for d - 4 > -3?
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Step-by-step explanation:

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3 years ago
How do I do question 9 &amp; 11? Please help thank you!
Novay_Z [31]
<h2>9.</h2><h3>Given</h3>
  • sphere with radius 15 cm
<h3>Find</h3>
  • linear approximation to the volume when the radius increases 0.4 cm
<h3>Solution</h3>

The equation for volume of a sphere is

... V = (4/3)π·r³

Differentiating gives

... dV = 4π·r²·dr

Filling in the given numbers gives

... change in volume ≈ 4π·(15 cm)²·(0.4 cm)

... = 360π cm³ ≈ 1130.97 cm³ . . . . . . volume of layer 4mm thick

<h2>11.</h2><h3>Given</h3>
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  • rate of change of x is 0.01 cm/s
<h3>Find</h3>
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The area is that of two cubes of dimension x joined together. The area of each such cube is 6x², but the two joined faces don't count in the external surface area. Thus the area of the cuboid is 10x².

The volume of the cuboid is that of two cubes joined, so is 2x³. Then the rate of change of volume is

... dV/dt = (d/dt)(2x³) = 6x²·dx/dt

We know x² = A/10, where A is the area of the cuboid, so the rate of change of volume is ...

... dV/dt = (6/10)A·dx/dt = 0.6·(129.6 cm²)(0.01 cm/s)

... dV/dt = 0.7776 cm³/s

5 0
3 years ago
If you drive 9hours and 465 kilometers how long would it take you to drive 768 kilometers
romanna [79]
 I think it would be 13 hours possibly
8 0
3 years ago
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