You can buy 7 packs, because if you multiply 11x7 you would get 77. hope that helps
3(2a+1)=-5(a+6)
First expand the brackets.
6a+3=-5a-30
Now add 5a to both sides.
11a+3=-30
Then subtract 3 from both sides.
11a=-33
Finally divide both sides by 11.
a=- 33/11
=-3
Answer:
20cm^2
Step-by-step explanation:
0.5x(7+3)x4=20cm^2
Answer:
3
y
(
2
x
−
1
)
(
x
−
4
y
)
Step-by-step explanation:
25 to the 2 or 25^2
Explanation:
There are 2 25’s 25x25, so the amount of exponents is the same as the number of repeated numbers
