2 years ago

What angle of rotation maps p onto P'?

Mathematics

1 answer:

erastovalidia [21]2 years ago

7 0

Alms Alan’s Alanaj am so

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Please answer to receive ten points. I'll vote who answers first the brainliest if its correct.

beks73 [17]

The distance between points $P_1(x_1,y_1)$ and $P_2(x_2,y_2)$ can be calculated using formula

$P_1P_2=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}.$

$AB=\sqrt{(-7-(-11))^2+(8-4)^2}=\sqrt{16+16}=\sqrt{32}=4\sqrt{2}\approx 5.657.$

$AC=\sqrt{(-4-(-11))^2+(4-4)^2}=\sqrt{49+0}=\sqrt{49}=7.$

$CB=\sqrt{(-7-(-4))^2+(8-4)^2}=\sqrt{9+16}=\sqrt{25}=5.$

Then

$P_{ABC}=5.657+7+5=17.657\approx 17.7$

Answer: correct choice is C.

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2 years ago

CAN SOMEONE HELP ME WITH THIS A 20-foot ladder is leaning against a wall of a house. It is set 16 feet from the base of the wall

MatroZZZ [7]

We're given the hypotenuse and one side and we're looking for the missing side so use pythagorean.

20² - 16² = 144²

Square root of 144 = 12 feet

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2 years ago

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Find the value of x when lines w and v are parallel.

VladimirAG [237]

Answer: B. 17

Step-by-step explanation:

4x-3 = 65

Add 3 on both sides

4x = 68

Divide by 4 on both sides

x = 17

BOOM!

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2 years ago

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First answer gets brainliest!!!!! Please help

maw [93]

Answer: first answer

:))))))))))))))))))

Where my brainlist

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2 years ago

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Two points A and B whose heights differ by 10 metres are shown 1.2 cm apart horizontally on a map whose scale is 1: 10 000. a) W

PSYCHO15rus [73]

Answer:

120 meters

Step-by-step explanation:

1.2 x 10 000 = 12000 cm = 120 meters

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2 years ago

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