Eight more than twice a number is equal to ten leas five times the number, n. Which equation can be used to find n?
2 answers:
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Well, just by looking at the beginning of the problem, Jamelia had made the common mistake of thinking that
(<span>8.4852...)
</span>is equal to
(12)
If you want to estimate a square root like 72, simply find squares that would fit around the number you are looking to find, in our case, 72.
So 9*9 is 81, which is too high and 8*8 is 64, which is too low. So you know that somewhere between those numbers is what your root of 72 is!
</span>is equal to
If you want to estimate a square root like 72, simply find squares that would fit around the number you are looking to find, in our case, 72.
So 9*9 is 81, which is too high and 8*8 is 64, which is too low. So you know that somewhere between those numbers is what your root of 72 is!
1/7p = 3
Multiple both sides by 7
7 x 1/7p = 7 x 3
Then cross multiply
P= 21
Multiple both sides by 7
7 x 1/7p = 7 x 3
Then cross multiply
P= 21