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Kaylenejohnson00
27.07.2019 •
Mathematics
Which expression is equivalent to 60^(1/2)? a)(60/20) b)sqrt60 c)(1/60^2) d)(1/sqrt60)
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Ответ:
In Mathematics, if a number has an exponent or power
or
, then it is equal in value to the square root of the number.
So, in our case, we are given an expression
. This expression means that the number 60 has an exponent or power equal to
. Thus,
is equal in value to
.
From the given options, Option B is the correct option and hence it is the answer.
Ответ:
To find the zeroes or the roots of a function, you just need to set the function equal to 0 then solve for x
f(x) = 2x² - 8x - 10
Set function equal to 0
2x² - 8x - 10 = 0
Now we can factorize the left side
2(x + 1)(x - 5) = 0
Then set factors equal to 0
x + 1 = 0 or x - 5 = 0
x = 0 - 1 or x = 0 + 5
x = -1 or x = 5
Thus,
The roots are -1 and 5
Let me know if you have any questions. As always, it is my pleasure to help students like you~!