Answer:
8x + 23
Step-by-step explanation:
-7(x-5) - 3(4-5x)
= -7x + 35 - 12 + 15x
= 8x + 23
Answer:
6.5
Step-by-step explanation:
as both sides need to be equal 20-7/2
X x_ = (13+14+11+11+13+10)/6=12 x-x_ (x-x_)^2 standard deviation is
13 for all X_ it is the same 13-12=1 . 1. =(12/6)^1/2=1.41421
14 14-12=2 . 4.
11 11-12=-1 . 1.
11 11-12 =-1 . 1.
13 13-12=1 . 1.
10 10-12=-2. 4.
Answer:
#1 , #6 ,#4
Step-by-step explanation:
Answer:
The original area would be multiplied by the scale factor of 2² to get the new area.
Step-by-step explanation:
If you double the radius lets so lets do an example
(a=πr²) so
if x is the radius the area would be x²π
double the radius so 2x then the area would be
(2x)²π so 4x²π
4x²π/x²π= 4 so its 4 times greater or
D the last answer or The original area would be multiplied by the scale factor of 2² to get the new area.