Remember yo can do anything to an equation as long as you do it to both sides
so
remember distributive property
a(b+c)=ab+ac
so first distribute
2(3x)+2(-9)=18x
6x-18=18x
minus 6x both sides
-18=12x
divide both sides by 12
-18/12=x
-9/6=x
-3/2=x
easier way is to first divide both sides by 2
x=-3/2
Answer:
the first blank is 10
and the second blank is 5
Step-by-step explanation:
Hello!
Step-by-step explanation:
Mean: 48
Median: 40
Mode: None
Range: 63
Hope this helps!
Answer:
20%
Step-by-step explanation:
i divided the percentages each by 45 and so% was 4.4. 20% was the closest to 45.
Answer:
No
Step-by-step explanation:
There is no meaningful difference between the two mean monthly temperatures. Since the two MADs are 15 degrees and 13.7 degrees, there is no meaningful difference.