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iVinArrow [24]
3 years ago
9

1/3 times what equals -1

Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0

Answer:

0.333333+

Step-by-step explanation:

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With two reapers operating, a field can be harvested in 1 h. If only the newer reaper is used, the crop can be harvested in 1.2
kolezko [41]

<u>Answer:</u>

The older repear will harvest in 6 hrs

<u>Explanation:</u>

Given a field can be harvested in 1 hr with 2 reapers

Consider the total field to be 1

Let x be the time of older’s reaper

The field can be harvested in 1.2 hr with newer reaper alone

Older’s time of harvesting = \frac{1}{x} per hour

Newer’s time of harvesting = \frac{1}{1.2}per hour

Total (Older+Newer) = 1 = {\frac{1}{x}+\frac{1}{1.2}}

 \frac{1}{x}+\frac{1}{1.2}=1

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1.2 + x = 1.2x

1.2 = 0.2x

x = 6

Therefore, older repear will harvest in 6 hrs

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How to factor 4x^2+ 40x+85
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4x^2+40x+85 There are no like terms.
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100pts!! Ellis is painting wooden fenceposts before putting them in his yard. They are each 7 feet tall and have a diameter of 1
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Answer:

39.25 cubic feet of paint will be needed by Ellis.

Step-by-step explanation:

Step-by-step explanation:

Volume of a cylinder:

The volume of a cylinder of radius r and height h is given by:

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How much paint will Ellis need to paint all the surfaces of the 10 fenceposts?

This is the combined volume of these 10 fenceposts.

They are each 5 feet tall and have a diameter of 1 foot.

Radius is half the diameter, so r = \frac{1}{2} = 0.5. Also h = 5

10 fenceposts:

Each has the same volume, so:

V = 10(3.14)r^2h = 31.4(0.5)^2(5) = 39.25

39.25 cubic feet of paint will be needed by Ellis.

hope this helps

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Answer:

55860

Step-by-step explanation:

This way super dupper easy

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