9514 1404 393
Answer:
√42 ≈ 6.48074
Step-by-step explanation:
Put the values in place of the corresponding variables and do the arithmetic.

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42 = 2·3·7 is not a perfect square, nor does it have any perfect square factors. Its square root is irrational.
Answer:
False
Step-by-step explanation:
y = 2x + 1
Substitute the point (4,3) into the equation and see if it is true
3 = 2(4) +1
3 =8+1
3 =9
This is false, so the point is not a solution
20 and 3/4 is 20.75
20 and 7/8 is 20.875
20 and 1/5 is 20.2
20 and 4/5 is 20.8
Answer:
(-7)∧-1
Step-by-step explanation:
(-7)^3 / (-7)^4
taking each and simplifing it
-7³ = -7 x -7 x -7
(-7)∧4 = -7 x -7 x -7 x -7
(-7)^3 / (-7)^4 = (-7 x -7 x -7 ) / ( -7 x -7 x -7 x -7) = 1/-7
1/-7 ( 1/ means raise to power -1)
1/-7 = (-7)∧-1