0
sqrt(4a2) = 21
plus or minus (2a) = 21
plus or minus (a) = 10.5
a = +10.5
a = -10.5
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What is the principle square root of 49 over 21 squared?
(√(a))²=a The square root and the square cancel to leave just 49/21■
What is x2 plus x-5 equals 0?
x=1/2(-1-square root of 21) and x=1/2(square root of 21 -1)
What the answer to 4x2 plus 12 plus 9 equals 0?
As written, that's 4x squared = -21 and x equals the square root of -21/4. But if you meant that to be 12x, it factors out nicely to (2x + 3)(2x + 3) and x would equal -3/2
What is the square root of 410 between two interegers?
The square root of 410 equals 20.2485. 20.2485 is between the two integers, 20 and 21.
Is 4.5 the square root of 21?
4.6 is a better approximation to the square root of 21.
What is the principle square root of 49 over 21 squared?
(√(a))²=a The square root and the square cancel to leave just 49/21■
What is 3 Times Square root of 7 squared?
21.
How do you get the square of 84?
If you mean 84 squared then it is 84*84 = 7056 If you mean the square root of 84 then it is 2 times the square root of 21 which is an irrational number
What is the square root of 21?
The square root of 21 is 4.58257569495584.
What is x2 plus x-5 equals 0?
x=1/2(-1-square root of 21) and x=1/2(square root of 21 -1)
What the answer to 4x2 plus 12 plus 9 equals 0?
As written, that's 4x squared = -21 and x equals the square root of -21/4. But if you meant that to be 12x, it factors out nicely to (2x + 3)(2x + 3) and x would equal -3/2
What is the square root of 410 between two interegers?
The square root of 410 equals 20.2485. 20.2485 is between the two integers, 20 and 21.
Square root of 21?
The square root of 21 is 4.58257569495584.
Between which pair of whole numbers does square root of 31 lie?
5 squared is 25, and 6 squared is 36.Because 31 lies between 25 and 36, the square root of 31 lies between 5 and 6.
How do you simplify 5 root 21 squared?
5*root(21^2) = 5*21 = 105
Simplify square root 6 Times Square root 14?
√6 x √14 is the same as √(6x14). This equals √84, which can be simplified to 2√21.
What is the square root of 2 multiplied by the square root of 2?
The answer is 2. The square root of 2 (about 1.414) is the number that when squared (multiplied by itself) is equal to 2 --(if you multiply 1.414 times itself, it is actually 1.999). sqrt 2 x sqrt 2 = (21/2)2 = 21 = 2
