3 years ago

I have a final for summer schoollll due midnight and it’s 10:23!!!!!!!!!!!!

Mathematics

1 answer:

shtirl [24]3 years ago

6 0

26 good luck n I hope you pass

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19. Find the current in a circuit if the power is 500 W (watts) and the resistance is 25 ohms. Round off your answer to two deci

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Answer:

Step-by-step explanation:

The formula that relates current, power and resistance is

$I=\sqrt{\frac{P}{R}}$

Where

I is the current (in amperes)

P is the power (in watts)

R is the resistance (in ohms)

We know P = 500 and R = 25, we plug them into the formula and solve for I:

$I=\sqrt{\frac{P}{R}}\\I=\sqrt{\frac{500}{25}}\\I=\sqrt{20}\\ I=4.47$

Correct answer is 4.47 Amperes, or choice A.

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3 years ago

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Step-by-step explanation:

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3 years ago

A 13-ounce box of cereal sells for $3.25. An 18-ounce box of cereal sells for $3.60. Which statement describes the difference in

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Step-by-step explanation:

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3 years ago

What is the answer for this please help -31=3w+9-8w simplify you answer as much as possible

ki77a [65]

$-31=3w+9-8w\\\\-5w+9=-31 \ \ /-9\\\\-5w=-40 \ \ /:(-5)\\\\\huge\boxed{w=8}$

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3 years ago

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Nostrana [21]

Answer:

Step-by-step explanation:

The greater the magnitude of the leading coefficient, the narrower the parabola.

Widest: f(x) = 0.5x²

Next: f(x) = -x²

Next: f(x) = 2x²

Narrowest: 3x²

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3 years ago

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