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2 years ago

14

How can you solve the literal equation y-3x=13

1 answer:

ser-zykov [4K]2 years ago

7 0

So to begin, you need to find x and y. If you have answer options, plug those in. If you don't, your toast. Just kidding :)
So, your answer would be y3=13. I think you can handle the rest. 3 * what equals 13?

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15% of an amount is30 calculate the whole amount

Irina-Kira [14]

Answer:

200

Step-by-step explanation:

of an amount is 30. Calculate the whole amount using two different strategies, one of which must include a pictorial model. 15% = = The whole quantity is 200.

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2 years ago

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Solve the system of equations.<br> y= 3x<br> y= x2-10

svetoff [14.1K]

Answer:

(-5, 2) and (2, 6)

Step-by-step explanation:

Use the substitution method. We know that y = 3x and y = x^2 - 10, so we can set them equal to one another.

3x = x^2 - 10

x^2 - 3x - 10 = 0

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3 years ago

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Answer:

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Step-by-step explanation:

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nexus9112 [7]

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3 years ago

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The base of an auditorium is in the form of an eclipse 200 feet long and 100 feet wide a pin drop near one focus can clearly be

dedylja [7]

Answer:

Let the coordinate of focus be $(\pm c , 0)$

As per the statement: The base of an auditorium is in the form of an eclipse 200 feet long and 100 feet wide.

⇒Length of Major axis=base of an auditorium = 200 feet and Length of a minor axis=wide of a auditorium = 100 ft

Semi-major axis (a) = 100 ft and

semi-minor axis(b) = 50 ft

Then, by an equation:

$c^2 = a^2-b^2$

Solve for c:

Substitute the given values we have;

$c^2=(100)^2-(50)^2$

Simplify:

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or

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Therefore, the distance between the foci to the nearest 10th of a foot is, 173.2 ft

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3 years ago