4 years ago

A cistern is leaking 0.25 liters of water per minute. Approximately how many gallons of water is the cistern losing per hour?

1 answer:

6 0

Hello,

$0.25 \dfrac{l}{min} = \dfrac{0.25\ l}{ \dfrac{1\ min}{60}} =15\ \dfrac{l}{h} \\

= \dfrac{15\ \dfrac{l}{h} }{3.78541\ \frac{l} {US\ gallon} })\\

= 3,96258265... \dfrac{US\ gallon}{h}$

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A giant red oak's diameter was 248 inches in 1965. The tree's diameter had grown to 251 inches in 2005. Find the average rate of

Anna71 [15]

Sorry for the late response

(bigger number - smaller number) divided by original number

(251 - 248) / 248
3 / 248 Divide to make this a decimal
0.0120967741... round it
0.012 change into percent
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4 0

4 years ago

The measure of angle A is 62 degrees . Find the measures of the complement and supplement of angle A

Keith_Richards [23]

Answer:

Complement: 118°. Supplement: 28°

Step-by-step explanation:

To determine the supplement, subtract the given angle from 180.

180 - 62 = 118

To determine the complement, subtract the given angle from 90.

90 - 62 = 28

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