SOLUTION: PLEASE PLEASE PLEASE PLEASE PLEASE HELP ME.
√(2)[√(4y) - √(18)]
A. 2y - 3
B. √(8y) - 6[√(2)]
C. √(8y) - 6
D. 2[√T(2y) - 6]
E
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Question 766955: PLEASE PLEASE PLEASE PLEASE PLEASE HELP ME.
√(2)[√(4y) - √(18)]
A. 2y - 3
B. √(8y) - 6[√(2)]
C. √(8y) - 6
D. 2[√T(2y) - 6]
E. √(2y) - 3[SQRT(2)]
F. 2[√(2y)] - 6
{3[√(3)] + 7}[√(3) - 5]
A -35
B-32
C3[√(3)] + 2
D-8[√(3)] - 26
E 3[√(3)] - 12
F 3[√(9)] - 8[√(3)] - 35
4/[√(5)]
A 4/[√(5)]
B{4[√(5)]}/25
C4/25
D[√(5)]/25
E {4[√(5)]}/5
F 100/[√(5)]
√(2)[ √(4y) -√(18)]
A. 2y - 3
B.√(8y) - 6[√(2)]
C. √(8y) - 6
D. 2[√(2y) - 6]
E. √(2y) - 3[√(2)]
F. 2[√(2y)] - 6
{3[√(3)] + 7}[√(3) - 5]
A. -35
B. -32
C. 3[√(3)] + 2
D. -8[√(3)] - 26
E. 3[√(3)] - 12
F. 3[√(9)] - 8[√(3)] - 35
4/[√(5)]
A. 4/[√(5)]
B. {4[√(5)]}/25
C. 4/25
D. [√(5)]/25
E. {4[√(5)]}/5
F. 100/[√(5)]
20. Suppose that the volume "V" (in cubic feet) of a blimp with radius "r" is given by V = 4/3 * pi * r3. If the blimp has a volume of 10,000 cubic feet, find the approximate radius of the blimp.
A 13.98 feet
B14.5 feet
C62864.79 feet
D5863.2 feet
E 29 feet
F 13.367 feet
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
√(2)[√(4y) - √(18)]
---
= sqrt(2)[2sqrt(y) - 3sqrt(2)]
---
= 2sqrt(2y) - 6
=========================
F. 2[√(2y)] - 6
=========================
{3[√(3)] + 7}[√(3) - 5]
----
3*3-15sqrt(3) + 7sqrt(2) - 35
-26 -8sqrt(3)
-------------------
D-8[√(3)] - 26
===================
4/[√(5)]
= 4sqrt(5)/5
---
= (4/5)sqrt(5)
====================
E {4[√(5)]}/5
=======================
20. Suppose that the volume "V" (in cubic feet) of a blimp with radius "r" is given by V = 4/3 * pi * r^3. If the blimp has a volume of 10,000 cubic feet, find the approximate radius of the blimp.
10,000 = (4/3)pir^3
(3/4)10000 = pi*r^3
7500/pi = r^3
r = cbrt[7500/pi] is approximately 13.367 feet
--------------------------
F 13.367 feet
=======================
Cheers,
Stan H.
=====================
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