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irinina [24]
3 years ago
14

To function properly, a rainwater outflow pipe must drop 1 inch every 25 inches of horizontal distance. A 40 feet long rainwater

pipe runs under the edge of the roof.What is the vertical distance , in inches the pipe must drops between its ends? Round your answer to the nearest tenth.
Mathematics
2 answers:
Semmy [17]3 years ago
4 0

it must drop 1.6 inches on each end i believe.

vova2212 [387]3 years ago
3 0
Its 33, here's my proof 25-40 I count the missing numbers it's 15 I count each side seven times the last number is 33.
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if there is 27 marbles in a bag and the amount of red marbles is 5 less than 3 times the amount of blue marbles how many marbles
alexira [117]

Answer:

54

Step-by-step explanation:

5-3=2

so you multiply 2 times 27.

2 times 27 is 54

8 0
3 years ago
write 6.847 in word form is the answer 6 + 0.8 + 0.04 + 0.007 or do they want six and eight hundred and 47 thousandths?
Alex787 [66]

Answer:

six and eight hundred fourty-seven thousandths

Step-by-step explanation:

6 + 0.8 + 0.04 + 0.007 is called extended form, six and eight hundred fourty-seven thousandths is called word form.

4 0
3 years ago
Sally can paint a room in 9 hours while it takes Steve 3 hours to paint the same room. How long would it take them to paint the
Archy [21]
You can solve this one by adding their rates, but you have to invert the numbers they give you to find the rate. Rate is measured in something per unit of time, and "per" indicates division. So the rates are: 1/3 of an hour (Sally) and 1/6 of an hour (Steve). So add the rates: 1/3 + 1/6 = 1/2. (1/3 is 2/6, and 2/6 + 1/6 = 3/6). Since their combined rate is 1/2 of a room in one hour, it takes them two hours to paint the room.

This answer makes sense: It takes Sally three hours by herself; with Steve's help, she's faster, but not THAT much faster, because he's pretty slow. You can often spot-check word problem answers like this by giving it a common sense once-over. If we came up with four hours, that would clearly be wrong: it should take her LONGER if she's getting help.
7 0
3 years ago
Read 2 more answers
Jay sells 10 packs of apples for 80p. He wants to make £75 at the end of the year. How many packs of apples does he need to sell
ipn [44]

Answer:

937.5 packs of apples

Step-by-step explanation:

Note that:

100p = £1

80p = x

Cross Multiply

100x = 80p × £1

x = 80/100

x = £0.8

Jay sells 10 packs of apples for 80p.

Hence:

£0.8 = 10 packs of apples

£75 = x

Cross Multiply

£0.8 × x = £75 × 10 Packs

x = £75 × 10 Packs/£0.8

x = 937.5

Therefore, to make £75 at the end of the year, he has to sell 937.5 packs of apples

3 0
2 years ago
Ill do brainliest plsss help its a unit test due in 10 minutes
Fofino [41]

Answer:

18

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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