Answer:
They studied for a little more than an our. A
Step-by-step explanation:
Because if you multiply 4 on 2/3 you get 8/12, then add 8/12 and 7/12 together to get 15/12 simplified 1 3/12.
The mean is found by dividing the sum of all terms by the number of terms present in the set.
Set up the equation:
The mean of this sequence is
5.
What we know:
Lot= 21 x 30ft
Perimeter=2l+2w
Want to put 4 corner post and one post every 3 ft
What we need to find:
How many post we need.
Perimeter=2 (21)+2 (30)=42+60=102ft
102/3=34
34 posts are needed.
Answer:
D. 50
Step-by-step explanation:
Multiply the top and bottom number by 10. The bottom number comes out to be 70 and the top number comes out to be 50.
Answer:
the answer is 45
Step-by-step explanation:
(180/4)=45
