If she got 9 messages last week and 3rimes as much this week then she got 27 messages because 9x3=27
The rules are
Let me show you why with a couple of examples: suppose we want to multiply
Since powers are just repeated multiplications, we have
Similarly, we have
Answer:
5/2
Step-by-step explanation:
The scale factor for linear measures, such as perimeter, is the square root of the scale factor for areas. The ratio of larger area to smaller is ...
... 75/12 = 25/4
so the ratio of the larger perimeter to the smaller is ...
... √(25/4) = 5/2
Answer:
I'm hoping the answer should be D. 9 units.
Step-by-step explanation:
x = -2 and x = -5
x + 2 = 0 and x + 5 = 0
(x + 2)(x + 5) = 0
x² + 5x + 2x + 10 = 0
x² + 7x + 10 = 0
Option → B