MATHEMATICS HIGH SCHOOL

URGENT!!!!!!!!!!!!!!!!!! QUESTION BELOW

Answers

Answer 1

Answer:

Answer:

C' = (-6 , -6)

D' = ( -9 , -6)

Step-by-step explanation:

scale factor of 3

multiply the points you have by 3

(x,y) * 3

the new values for c' and d' are below

c' = (-2, -2) * 3

c' = (-6,-6)

d' = (-3,-2) *3

d' = (-9,-6)

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Two circles are concentric if they have the same center. Which equation represents a circle that is concentric with the circle shown but has a radius that is twice as large? (x – 4)2 + (y – 6)2 = 4 (x – 4)2 + (y – 6)2 = 16 (x – 6)2 + (y – 4)2 = 16 (x – 6)2 + (y – 4)2 = 4

Answers

Since you did not include the figure with the circle to which you have to compare the equations, I am going to determine the center and radius of the circles represented by each of the equations.

From that, you choose that whose center is the same of your circle and the radius is the double.

The canonic equation of a circle is:

(x - a)² + (y - b)² = r²

Where a and b are the coordinates of the center (a,b) and r is the radius.

So, let's determine the center and the radius of all the equations given:

A) (x – 4)² + (y – 6)² = 4

Center (4,6),;radius = √4 = 2

B) (x – 4)² + (y – 6)² = 16

Center (4, 6); radius = √16 = 4

C) (x – 6)² + (y – 4)² = 16

Center = (6, 4); radius = √16 = 4

D) (x – 6)² + (y – 4)² = 4

Center (6, 4); radius = √4 = 2

Answer:

$(x-4)^2 + (y-6)^2 = 16$

Step-by-step explanation:

Just to clarify the answer

How do i solve this
(-15b - 7) - (-2b)

Answers

Answer:

13b + 7

Step-by-step explanation:

Combine like terms. (-15b - 7) - (-2b), add -15b to both sides, the equation then becomes (-7) - (13b). Swap the equation around to become (13b) - (-7), a subtraction sign and then a negative makes the negative a positive. The equation then becomes 13b + 7.

Alexis can type 35 words in a minute. her friend Jonathan can type 40 words in a minute. How long will it take Alexis to type 140 words?

Answers

Answer:

a situation of proportionality is assumed

35 words 140 words

1min(1*140)/35=4min

it takes 4min to type 140 words

Step-by-step explanation:

Identify the direction of rotation that maps triangle BCD to triangle B’C’D’.The triangle is rotated in a
direction-----

Answers

The triangle is rotated in a clockwise direction, as per the given conditions.

What is the triangle?

The triangle is a geometric shape that includes 3 sides and the sum of the interior angle should not be greater than 180°

Here,
It seems to be questioned is incomplete, we assume that the direction of rotation that maps triangle BCD to triangle B’C’D’ on a coordinate plane from quadrant 2 to quadrant 1 is about the origin. As rotation from quadrat 2 to one about origin represents the clockwise direction.

Thus, the triangle is rotated in a clockwise direction, as per the given conditions.

Learn more about triangles here:
brainly.com/question/2773823

#SPJ6

Answer:

clockwise

Step-by-step explanation:

Carlos owns an orchard. His apple trees produced 315 bushels of apples. Each bushel of apples weighs about 48 pounds. There are about 3 apples in each pound. About how many apples did Carlos' apple trees produce? Please show how it is done. Thank you