A+j=59 so j=59-a
and j=a-3
j=j so
59-a=a-3 subtract a from both sides
59-2a=-3 subtract 59 from both sides
-2a=-62 divide both sides by -2
a=31
n=a=31
Ayako has 31 sweets.
Answer:
No.
Step-by-step explanation:
Insert the x and y, (-5 is x and 6 is y) into the equation. It should look like 4(-5)+3(6)=9. 4(-5)=-20 and 3(6)=18. -20+18=2 not 9.
(hope this helps :P)
Answer:
4k + 6
Step-by-step explanation:
The laws of exponents I will be using are:
, and 
.
For the first part, 
.
For the second part, 
.
Answer:
1 quantitative
2 32 responded yes, 18 responded no
3 margin error 32%{n}
4 error of students on their phone / not
5 18/-/50
6 16%
7 2%
Step-by-step explanation:
a 95% confidence interval with a 4 percent margin of error means that your statistic will be within 4 percentage points of the real population value 95% of the time.
The margin of error tells you the range of values above and below a confidence interval.
