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3 years ago

6

The janitor at a school discovered a leak in a pipe. The janitor found out that it was leaking at a rate of 14 oz per hour. How

fast was the pipe leaking in gallons per day?

1 answer:

umka2103 [35]3 years ago

7 0

2.625 gallons a day

14 oz x 24 hours = 336 oz per day

336 oz converted to gallons is 2.625 gallons

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4 gallons of paint cover 1,400 square feet. How much does 7 gallons of paint cover? (Solve with Porportion)

andre [41]

1400 divided by 4 equals 350.
Multiply that by 7
350 times 7 equals (2,450)
2450 sq ft is the answer

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4 years ago

Three pieces of wood measure 20 cm, 41 cm, 44 cm. If the same amount is cut off each piece, the remaining length can be formed i

SIZIF [17.4K]

The length that can be cut off from the three given pieces of wood equally to form a right triangle is 5 cm

Given parameters:

dimension of the three pieces of wood = 20 cm, 41 cm and 44 cm

To find:

the length that is cut off to form a right triangle

let the length that is cut off from each of the wood = y

From Pythagoras theorem, we will have the following equation.

$(44-y)^2 = (20-y)^2 + (41-y)^2\\\\expand \ the \ equation \ as \ follows;\\\\1936 - 88y + y^2 = 400 - 40y + y^2 + 1681 - 82y + y^2\\\\simplify \ by \ collecting \ similar \ terms \ together\\\\(1936 - 400- 1681) + (-88y + 40y+ 82y) + (y^2 - 2y^2) = 0\\\\-145 +34y - y^2 = 0\\\\multiply \ through \ by \ (-1)\\\\y^2-34y + 145 = 0\\\\factorize \ the \ above \ quadratic\ equation\\\\y^2 -5y - 29y + 145 = 0\\\\y(y - 5) -29(y - 5)=0 \\\\(y -5)(y-29) = 0\\\\y = 5 \ \ \ or \ \ \ \ y = 29$

Since the least measurement of one of the pieces of the wood is 20 cm, we cannot cut off 29 cm.

Thus, the highest amount we can cut off equally is 5 cm

learn more here: brainly.com/question/15808950

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3 years ago

How do you simplify the ratios?

Masteriza [31]

Let me you divide them if there equal numbers I guess

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4 years ago

What is the sum? 2/x^2+4/x2

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4 years ago

Clara wants to cover the top of your jewelry box the top of the box is a rectangle with a length of 9.4 cm and a width of 8.3 cm

abruzzese [7]

Answer:

Step-by-step explanation:

9.4 * 8.3 =78.02 $cm^{2}$

is it that you don't have a calculator or that you didn't know to multiply the two numbers? ( most computers have built in calculators ) :/

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3 years ago