Answer:
x=-3,x=9
Step-by-step explanation:
x^2-6x-20-7=0
x^2-6x-27=0
x^2-(9-3)x-27=0
x^2-9x+3x-27=0
x(x-9)+3(x-9)=0
(x+3)(x-9)=0
x=-3,x=9
Answer:
Josie takes 0.93 minutes to run 2 miles.
Step-by-step explanation:
We are given the following in the question:
Ratio:
Number of minutes: Number of miles = 20:43
Josie wants to run 2 miles. We have to find the number of minutes she need to run to maintain the ration.
Let x be the number of minutes Josie run.
This can be done in the following manner:

Thus, Josie takes 0.93 minutes to run 2 miles.
First triangle:
2x+2x+x=180
x=36
second triangle:
7x+3x+90=180
x=9
third triangle:
2x+x+x=180
x=45
good luck!!
Answer:
3 is between 1 and 2 so A. will be the correct answer
1 x 1 = 1
2 x 2 = 4
Hope this helps
Step-by-step explanation:
Answer:
1) C
Step-by-step explanation:
B-BRACKETS
I-INDICES
D-DIVISION
M-MULTIPLICATION
A-ADDITTION