An athlete training for the olympics swims each lap of a four-lap race in the following times: 54.73 , 54.56 , 54.32 , and 54.54
1 answer:
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Simple.....
All you have to do is simplify the radical by breaking the radicand up into a product of known factors.
Thus, your answer.
All you have to do is simplify the radical by breaking the radicand up into a product of known factors.
Thus, your answer.
Answer:
Therefore
15.
16.
17.
Step-by-step explanation:
15.
Using the Identity (a + b)(a - b) = (a² - b²) we get
Consider here a = 5c and b = 3 then we will have
.....as required
16.
Here Factorize 8 such that sum up to be 9
∴ 8 × 1 = 8 and 8 + 1 =9
... as required
17.
Here Factorize 21 such that sum up to be -10
∴ -3 × -7 = + 21 and -3 - 7 = - 10
........as required
Therefore
15.
16.
17.