Answer:
b
Step-by-step explanation:
already did it
Answer:B
Step-by-step explanation:
If she read 20 in half an hour how many can she read in 1 hour=40
so, that gets you 120 the answer is she can read 120 pages in 3 hours
Answer:
4√(7^5) and (4√7)^5
Step-by-step explanation:
7^5/4
The above can be expressed as follow: Method 1:
7^5/4
(7^5)^1/4
Recall:
(a^m)^1/n = n√(a^m)
Therefore,
(7^5)^1/4 = 4√(7^5)
Method 2:
7^5/4
(7^1/4)^5
Recall:
(a^1/m)^n = (m√a)^n
Therefore,
(7^1/4)^5 = (4√7)^5
From the illustration above, we can see that 7^5/4 can be expressed as 4√(7^5) and (4√7)^5
Answer:
Step by Step
first, I'll divide the big shape into 3 smaller ones. it will be the rectangle on the top (10x8), the square below that (10x10), and the triangle on the right (7x10/2)
if I calculate all, I get 80cm squared, 100cm squared, and 35cm squared.
if I add them all up, I get
80+100+35=215cm squared
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