Answer:
She bought 7 battery packs containing 6 batteries
Step-by-step explanation:
4bx5= 20 batteries
6bx7=42 batteries
42+20=62
Answer:
She needs a grade of 71 on her next text.
Step-by-step explanation:
Mean of a data-set:
The mean of a data-set is the sum of all values in the data-set divided by the number of values.
Tammy has scored 82, 78, and 93 on her previous three tests.
Thus, her grades are 82, 78, 93 and x, in which x is her grade in the fourth test.
There are 4 tests.
What score does she need on her next test so that her average (mean) is 81?
We have to find x when the mean is 81. So




She needs a grade of 71 on her next text.
Answer:
False
Step-by-step explanation:
x + 3 < -5
x < -8
-x > -8
x < 8
Both aren't same
Answer:
Yep, she got it correct.
Step-by-step explanation:
Hope this helped.
I would guess that you would need to find the Least Common Multiple (LCM) of 99 and 24 first.
After listing out all of the multiples, you would have 792 be the LCM of 99 and 24. But since we need to find the integer value of n, in 99n (which means 99 x n), then we need to divide 792 by 99, which would be 8.
n = 8