Ellen rotated triangle ABC 90° clockwise around point A to form triangle ACD and rotated triangle ABC 180° clockwise around point A to form triangle ADE.Which transformation should she perform on triangle ADE to ensure that BE ≌ DC?

A. a 90° clockwise rotation around point A
B. a 90° counterclockwise rotation around point E
C. a translation 2 units left
D. a translation 2 units down

Answers

Answer 1

Answer: It is a. You didnt load the pic but if you did if you rotated Dc 90 it would complete BE.

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what is the rate of change for the linear relationship modeled in the table? x y −1 10 1 9 3 8 5 7 -1/2 0 1/2 2

Answers

Answer:

Rate of change for the linear relationship modeled is $(-1)/(2)$

Step-by-step explanation:

As the there is a linear relationship in the points, so all these points will be on a single straight line. Hence the slope will be same throughout all the points.

We know that, the slope of the line joining (x₁, y₁) and (x₂, y₂) is,

$m=(y_2-y_1)/(x_2-x_1)$

Putting the points as (-1, 10) and (1, 9), we get

$m=(9-10)/(1-(-1))$

$=(9-10)/(1+1)$

$=(-1)/(2)$

Rate of change is the slope of the line joining all these points.

(-1,10)(1,9)
slope = (9 - 10) / (1 - (-1)
slope = -1/2 <=== slope is also ur rate of change

Is the product of square root of 8 and square root of 98 rational or irrational

Answers

Answer:i think its rational

Step-by-step explanation:

A bookstore manager marks down the price if older hardcover books, which originally sell for b dollars, by 46%a. Write the mark down as a decimal
b. Write two expressions for the sale price of the hardcover book
c. What is the price of a hardcover book for which the original retail price was $29.00
d. If you buy the book in part c how much do you save by paying the sale price?