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katen-ka-za [31]
3 years ago
14

Snow is piling outside Cameron's house. He decides to measure the rate at which the height of the pile increases over time.

Mathematics
1 answer:
Delvig [45]3 years ago
3 0

Answer:

D.) liters per minute

Step-by-step explanation:

When measuring S. I units, the major things considered are whether the units are vector (magnitude and direction) or scalar quantity (magnitude only).

Why the answer is D is because if you consider the units in the other options, you quickly discover that they are not an accurate description of the above scenario.

Meter per hour has to do with acceleration, which is a vector quantity as its the rate of change of speed over time. It has nothing to do with the gathering of snow over time.

The correct answer is D litres per minute because it has to do with the cube length over time.

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Tao wants to check that the expression 3(4x – 6) simplifies to 12x – 18. What is the value when 2 is substituted for x into both
timurjin [86]

Answer:

6

Step-by-step explanation:

3( 4x - 6)

Let x =2

3( 4*2 -6)

3(8-6)

3*2

6

Check

12x-18

12*2 -18

24-18

6

Both equal 6

4 0
3 years ago
Number of diagonals in a 10 sided figure are
Alex

Answer:

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8 0
3 years ago
The blades of a windmill turn on an axis that is 40 feet from the ground. The blades are 15 feet long and complete 3 rotations e
astraxan [27]

Answer:

a is the _amplitude_(Length of the blades)_

The vertical shift, k, is the _Mill shaft height_

a = 15\ ft\\\\k = 40\ ft

y = 15sin(\frac{\pi}{10}t) + 40

Step-by-step explanation:

In this problem the amplitude of the sinusoidal function is given by the length of the blades.

a = 15\ ft

The mill is 40 feet above the ground, therefore the function must be displaced 40 units up on the y axis. So:

k = 40\ ft

We know that the blades have an angular velocity w = 3 rotations per minute.

One rotation = 2\pi

1 minute = 60 sec.

So:

w = \frac{3(2\pi)}{60}\ rad/s

w = \frac{\pi}{10}\ rad/s

Finally:

a is the _amplitude_(Length of the blades)_

The vertical shift, k, is the _Mill shaft height_

a = 15\ ft\\\\k = 40\ ft

y = 15sin(\frac{\pi}{10}t) + 40

3 0
3 years ago
Read 2 more answers
-8,-14,-20 whats the next term
Nookie1986 [14]
26 is the answer
because its counting by 6
8 0
3 years ago
The temperature in my freezer is -4.6 degrees the refrigerator is at 40.45 degrees how much colder is the freezer temperature
Reika [66]

Answer:

45.05

Step-by-step explanation:

40.45-(-4.6)

40.45

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