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Ray Of Light [21]

3 years ago

11

Pls help me anyone! pls im so stuck here

1 answer:

Elina [12.6K]3 years ago

8 0

Answer:

The third option, (-30,10)

Step-by-step explanation:

A proportional relationship is when you multiply one number in the coordinate/pair to get the other number, and that number that you multiply with is consistent. For example, in (60,-20) you multiply the x coordinate 60 by -1/3 to get 20. Next, you have to check if the other answer choices follow the same pattern. <em>For (-30,10), you multiply -30 by -1/3 and get 10</em>! So it works.

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leva [86]

Answer:

$\boxed{\sf B)\: x=\sqrt{17}}$

Step-by-step explanation:

<u>Use the Pythagorean Theorem</u>

The equation for the Pythagorean Theorem is $\tt a^2+b^2=c^2$

* a and b are the lengths of the legs, and c is the hypotenuse.*

(To know which side is the hypotenuse look at longest side which is across the right angle).

a= x, b=8, c=9

$\sf a^2+b^2=c^2$

Let's Plug in the side lengths:

$\sf x^2+8^2=9^2$

Evaluate 8^2 and 9^2:

$\sf x^2+64=81$

Subtract 64 from both sides:

$\sf x^2+64-64=81-64$

$\sf x^2=17$

Take the square root of both sides:

$\sf x=\sqrt{17}$

___________________________

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2 years ago

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Alekssandra [29.7K]

there are 360 degrees in a complete circle

360/18 = 20

so the answer is C

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3 years ago

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Find each angle measure

Aloiza [94]

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erastova [34]

It would be 76 degrees because it’s a vertical angle

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neonofarm [45]

Answer:

2688x^2 + 3640x + 1225

Step-by-step explanation:

multiply the expression

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