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schepotkina [342]
3 years ago
10

Simplify the radical expression.

Mathematics
1 answer:
andrey2020 [161]3 years ago
6 0
√20 = √4x5 = 2√5

√56²= 56

√[150.(x³)(k⁴)] = √(6*25)(x².x).k⁴ ==>5xk²√6x

√[(14q) *2√(4q)] = 14(q√2²q) ==>28q√q
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A company has 7 male and 9 female employees, and needs to nominate 2 men and 2 women for the company bowling team. How many diff
lys-0071 [83]

Answer:

The team can be formed in 756 different ways

Step-by-step explanation:

This is a combination problem since we are to select a set of people from a group. Combination has to do with selection.

for example, if r number of object is to be selected from a pool of n objects, this can be done in nCr number of ways.

nCr = \frac{n!}{(n-r)!r!}

Now If A company has 7 male and 9 female employees, and needs to nominate 2 men and 2 women for the company bowling team, then this can be done in the following way;

7C2 * 9C2

7C2 = \frac{7!}{5!2!} \\= \frac{7*6*5!}{5!*2} \\= 7*3\\= 21ways\\\\similarly;\\\\9C2 = \frac{9!}{7!2!}\\9C2= \frac{9*8*7!}{7!*2} \\9C2 = 9*4\\9C2 = 36

7C2 * 9C2 = 21*36

= 756

The team can be formed in 756 different ways

5 0
3 years ago
Solve the proportion.4/12=x/18
juin [17]
Solve for x by cross multiplying and the answer is x=6


hope this helps and plz rate below :)
5 0
4 years ago
Read 2 more answers
I need help with this problem?
Cerrena [4.2K]

Answer:

Step-by-step explanation:

Volume of cylinder:

\boxed{\text{Volume of cylinder=$\pi r^{2}h$}}

<u>Bottom cylinder:</u>

1 inch = 2.54 cm

 diameter = 14 in

r = 14/2 = 7 in

r = 7 *2.54 = 17.78 cm

h = 4 in = 4*2.54 = 10.16 cm

Volume = 3* 17.78 * 17.78 * 10.16

             = 9635.59 in³

<u>Upper cylinder:</u>

diameter = 12 in

r = 12/2 = 6in

r = 6*2.54 = 15.24 cm

h = 12 in = 12*2.54 = 30.48 cm

Volume = 3 * 15.24 *15.24 * 30.48

             = 21237.63 in³

Volume of the object = 9635.59 + 21237.63                  

                                     = 30873 cm³

3 0
2 years ago
Simplify -2a(7a^5-5a+5)
olga_2 [115]
Here here here here here here here

3 0
2 years ago
tom ran a complete mile. sarah ran half of that. mike ran half of what sarah ran and lisa ran half of what mike ran. what part o
KiRa [710]
1/2 = .5 /2 =.25 / 2 = .125
3 0
3 years ago
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