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Valentin [98]
4 years ago
14

Rectangle ABCD is dilated by a scale factor of 2 with the origin as the center of dilation, resulting in the image AA'B'C'D'. If

the slope of AB is -2, What is the slope of A'B'?
A.) -4
B.) -1
C.) -2
D.) 0
Mathematics
2 answers:
Studentka2010 [4]4 years ago
4 0
Thi answer be -4 i wish you good marrow
vivado [14]4 years ago
3 0

Answer:

ANSWER IS C. -2

Step-by-step explanation:


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The coefficient of x^ky^n-k in the expression of (x+y)^n equals (n-k/k) true or false
gulaghasi [49]

Answer:

False

Step-by-step explanation:

The given statement is:

The coefficient of x^ky^n-k in the expression of (x+y)^n equals (n-k/k)

This is a false statement

Reason:

When we do expansion of (x+y)^n by binomial theorem we get the following solution:

(x+y)^n = nCk x^k y^n-k

This shows that the coefficient of  x^ky^n-k  is nCk which is equivalent to n!/(n-k)! k!

Therefore it is a false statement....

3 0
3 years ago
What is the solution to this equation?
Dafna11 [192]

Answer:

m= -1/2

this is the answer

8 0
3 years ago
An average soccer player travels 7 miles during a game. A typical field is 104 meters long. How many times did the average socce
marissa [1.9K]

Answer:

About 108 times

Step-by-step explanation:

Given:

An average soccer player travels 7 miles during a game

A typical field is 104 meters long.

To find:

How many times did the average soccer play travel the length of the field?

Solution:

An average soccer player travels during the game =  7 miles

First convert 7 miles into meters,  1 mile = 1609.34 meter

                                                        7 mile = 1609.34 \times 7 = 11265.41 m

Length of field = 104 meters

To find number of times average soccer player travel the length of the field, we will divide an average soccer player travels during the game by Length of field

11265.41 m \div 104  = 108.32

Therefore, about 108 times average soccer player travel the length of the field

8 0
3 years ago
The authors of a paper titled "Age and Violent Content Labels Make Video Games Forbidden Fruits for Youth" carried out an experi
o-na [289]

Answer:

T = 290

Step-by-step explanation:

We can find the sum of all observations multiplying sample size (n) by sample mean (x).

Sum of all observations in the data set is,

T=n_{1} x_{1}+n_{2}x_{2}+n_{3}x_{3}+n_{4}x_{4}\\T=10(5.3)+10(7)+10(8.5)+10(8.2)\\T=53+70+85+82\\T=290

Hope this helps!

7 0
3 years ago
The door code to gain access to a top-secret laboratory is 6 digits. The first 3 digits of the code are all odd, and the last 3
WINSTONCH [101]
5 odd numbers and 5 even numbers
since they can be repeated
5*5*5=first 3 digits
5*5*5=last 3 digits
in all
5*5*5*5*5*5=15625 ways
3 0
3 years ago
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