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3 years ago

What will be the new position of the point (−8, 4) when rotated through 90° anti-

Mathematics

2 answers:

Damm [24]3 years ago

8 0

Answer:

Step-by-step explanation:

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Ronch [10]3 years ago

7 0

Answer:

we have

(x,y). rotation through 90° anti-

clockwise about the origin(-y,x)

point (−8, 4) when rotated through 90° anti-

clockwise about the origin(-4,-8)

Option.i. (−4, −8)

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What is the perimeter of a square whose diagonal is 3 square root 2? Show all work on how you got your answer

Alika [10]

Answer:

Step-by-step explanation:

Given: Diagonal of square= $3\sqrt{2}$

To find the perimeter of square, we need to find the length of sides of square.

∴ Using the formula of diagonal to find side of square.

Formula; $Diagonal= s\sqrt{2}$

Where, s is side of square.

⇒ $3\sqrt{2} = s\sqrt{2}$

Dividing both side by √2

⇒ $s= \frac{3\sqrt{2} }{\sqrt{2} }$

∴ $s= 3$

Hence, Length of side of square is 3.

Now, finding the perimeter of square.

Formula; $Perimeter= 4s$

⇒ $Perimeter= 4\times 3$

∴ $Perimeter= 12$

Hence, Perimeter of square is 12.

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4 years ago

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serg [7]

Answer:

Step-by-step explanation:

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3 years ago

Find the mean of the following numbers 7 21 2 17 3 13 7 4 9 7 9

Hitman42 [59]

Answer:

Step-by-step explanation:

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3 years ago

What is the range of the function f(x)= -2x-4 when the domain is {-3,-2,-1}?

Paha777 [63]

F(-3)=(-2)*(-3)-4=6-4=2

F(-2)=(-2)*(-2)-4=4-4=0

F(-1)=(-2)*(-1)-4=2-4=-2

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3 years ago

Which of the following expressions represents "three times the difference between t and y"?

ioda

Hi the awnser is 3(t-y) because you always do the math that is in the parentheses first!

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4 years ago