2 years ago

A MACHINE WORKED 5 HOURS USING 4 KILOWATTS OF ELECTRICITY. HOW MUCH WOULD MACHINE HAVE USED IN KILOWATT EACH HOUR WORKED

1 answer:

5 0

4 kilowatt is a power, not work done.

If the machine works using power at the rate of 4 kilowatt, then it is using 4 kilowatt each hour.

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MakcuM [25]

Answer:

92 m

Step-by-step explanation:

Use the Pythagorean theorem to find the length of the shorter side.

Let w = length of the shorter side.

$w^{2} + 30^{2} = 34^{2} \\ w^{2} + 900 = 1156\\w^{2} = 256\\w = \sqrt{256} = 16$

The perimeter is 2l + 2w = 2(30) + 2(16) = 60 + 32 = 92 m

6 0

2 years ago

Softa [21]

Answer:-8d -9dd

Step-by-step explanation:I looked it up :)I'm not good at math so yeahhh but I hope this is right but if not I'll try again

7 0

2 years ago

Roman55 [17]

Answer:

The choose C. 18

Step-by-step explanation:

UC —> 105+82=187 —> 96+22+51=169 —> 187–169=18

I hope I helped you^_^

7 0

2 years ago

Andreas93 [3]

Use formula $a^2-2ab+b^2=(a-b)^2$

$4x^2-12x+9
\\(2x)^2-2(2x)(3)+3^2
\\(2x-3)^2$

6 0

3 years ago

Ksju [112]

The measure of PRQ is 46 degrees.

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2 years ago