3 years ago

PLZZZ I NEED THIS QUICK What is [-4.6].

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

3 0

Answer:

Slope=0

Step-by-step explanation:

I don't know what you need done but I will try my best.

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HELP ASAPPPP!!!!You are making a picture frame in the craft cabin at summer camp. The frame measures 9 inches by 12

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Answer:

yes

Step-by-step explanation:

euhm ... did u just asked if a figure with h=9inches and b=12inches is rectangular???

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if the frame has angles of 90° and it has two different lengths then it has to be rectangular. The sides of a square would have the same lengths.

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3 years ago

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Answer:

m = -12 / 6 = -2 / 1 = -2

So its -2

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10n-80 is the answer

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3 years ago

5 times 3/4 in a mixed number

Arte-miy333 [17]

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3 years ago

A wind turbine is located at the top of a hill where the wind blows steadily at 12 m/s, and stands 37 m tall. The air then exits

marta [7]

Answer:

Power generated = 4.315 kW

Step-by-step explanation:

Given,

speed of wind when enters into the turbine, V = 12 m/s

speed of wind when exits from the turbine, U = 9 m/s

mass flow rate of the wind, m = 137 kg/s

According to the law of conservation of energy

Energy generated = change in kinetic energy

Since, the air is exiting at same elevation. So, we will consider only kinetic energy.

Energy generated in one second will be given by,

$E\ =\ \dfrac{1}{2}.mV^2-\dfrac{1}{2}.m.U^2$

$=\ \dfrac{1}{2}\times 137\times (12)^2-\dfrac{1}{2}\times 137\times (9)^2$

=4315.5 J

= 4.315 kJ

So, energy is generated in one second = 4.315 kJ

Power generated can be given by,

$P\ =\ \dfrac{\textrm{energy generated}}{time}$

And the energy is generated is already in per second so power generated will be 4.315 kW.

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3 years ago