3 years ago

Please help me with this math problem!!

Mathematics

1 answer:

xz_007 [3.2K]3 years ago

4 0

Answer:

y=3

Step-by-step explanation:

This is an isosceles triangle because the two angles at the bottom are equal.

This means the two sides are equal

5y-2 = 13

Add 2 to each side

5y-2+2 =13+2

5y = 15

Divide each side by 5

5y/5 = 15/5

y =3

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4 years ago

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Fellow 9. What is the distance between (-3, 4) and (5, 1)?

zhannawk [14.2K]

Answer: The exact distance is $\sqrt{73}$ units

The approximate distance is roughly 8.5440037 units

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Explanation:

Use the distance formula

$(x_1,y_1) = (-3,4)\\\\(x_2,y_2) = (5,1)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-3-5)^2 + (4-1)^2}\\\\d = \sqrt{(-8)^2 + (3)^2}\\\\d = \sqrt{64 + 9}\\\\d = \sqrt{73}\\\\d \approx 8.5440037\\\\$

As an alternative, you can use the pythagorean theorem.

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3 years ago