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3 years ago

During a thunderstorm, the local news reports rainfall of 12 inch/hour. How much rain will fall if it continues for 8 hours?

Mathematics

2 answers:

kykrilka [37]3 years ago

6 0

Answer:

96 inches

Step-by-step explanation:

12 inches an hour for 8 hours becomes an equation that looks like 12*8 witch equals 96. DON'T FORGET label your answer!!!

alexira [117]3 years ago

5 0

Answer: 96 inches of rain will fall

Step-by-step explanation: if it is twelve inches of rain an our and it rains for eight hours all you have to do is multiply 12x8=96

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A pyramid with a square base is cut by a plane that is parallel to its base and is 2 units from the base. The surface area of th

icang [17]

Answer:

6.83 units

Step-by-step explanation:

Let the height of the original pyramid be represented by h. Then the cut off top has a height of (h -2). The scale factor for the area is the square of the scale factor for height, so we have ...

(height ratio)^2 = 1/2

((h -2)/h)^2 = 1/2

(h -2)√2 = h . . . . . . square root; multiply by h√2

h(√2 -1) = 2√2 . . . . add 2√2 -h

h = (2√2)/(√2 -1) ≈ 6.8284 . . . units

The altitude of the original pyramid is about 6.83 units.

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3 years ago

Factorise the following

ASHA 777 [7]

Answer:

4ny²+4n²-4n-8+y⁴-2y²

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3 years ago

Is 50 tens 9 ones <,>,= 49 tens 35 ones

kati45 [8]

50 tens and 9 ones is less than 49 tens and 35 ones because 50 tens is 500 + 9 is 509, whereas 49 tens is 490 + 35.

5 0

3 years ago

bill is purchasing Hammers and wrenches for his workshop and he would like to spend under $110 each Hammer cost $9 and each wren

kow [346]

Answer:

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Step-by-step explanation:

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2 years ago

The projected T. rex is about

dolphi86 [110]

Answer: $scale\ factor=230$

Step-by-step explanation:

You need to analize all the information given in the exercise.

You know that the actual height of the T-rex on the projector lens is the following:

$actual\ height=2\ cm$

The height of the projected T-rex is:

$projected\ height=4.6\ m$

Make the conversion from meters to centimeters:

$projected\ heigth=(4.6\ m)(\frac{100\ cm}{1\ m})\\\\projected\ heigth= 460\ cm$

Therefore, the scale factor will be:

$scale\ factor=\frac{projected\ heigth}{actual\ heigth}$

Finally, you must substitute values into the equation and then you must evaluate in order to find the scale factor of the projection. You get that this is:

$scale\ factor=\frac{460\ cm}{2\ cm}\\\\scale\ factor=230$

7 0

3 years ago