Answer:
18 1/21
Step-by-step explanation:
5/7+1/3= 1 1/21
10+7+1=18
18 1/21
Okay. The store bought the scrapbook kit at 20$ and then sold it 65% more than what they bought it. To find the new selling price, all you have to do is multiply 20 by 165% (1.65). This is because you add 100% to the markup to get to the total price and adding 100% to a markup or tax could bring you to the total price easily. 20 * 165% (1.65) is 33. There. The selling price of the scrapbook kit is $33. The answer is B: $33.
Answer:
occurred during the same period of time
Step-by-step explanation:
Answer:
6x+4y=12
Step-by-step explanation:
when x-intercept is 0
6(0)+4y=12
0+4y=12
divide by 4 both side
y=3
when y-intercept is 0
6x+4(0)=12
6x+0=12
6x=12
divide by 6 both side
x=2
Answer:
Step-by-step explanation:
Given that IQ mean is 100 and std dev = 12 for normal adults

Std error = 

i.e. sample size should be atleast 97
The required sample size is 97.
This is reasonable as this is greater than 30
Yes. This number of IQ test scores is a fairly large number.