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Ahat [919]
2 years ago
9

Simplify the problem below.

Mathematics
1 answer:
marta [7]2 years ago
6 0

To solve this problem, we first must rewrite each term in the form k times a^n so that we can compute the multiplication afterwards.  To do this, we must remember that the square root of a is equivalent to a^(1/2) and that variables in the denominator have negative exponents.  Using this knowledge, we can rewrite the given expression as:

a^(1/2) * (2a² - 4a^(-1))

Now, we must recall that when terms with the same base are multiplied together, we must add the exponents when simplifying.  This step is shown below.

2a^(1/2 + 2) - 4a^(1/2 - 1)

The next step is to perform the addition of the exponents and obtain our final answer.

2a^(5/2) - 4a^(-1/2)

The above expression is your final answer.  

Hope this helps!

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A cylinder and a cone have the same volume. The cylinder has a radius of 2 inches and a hieght of 3 inches. The cone has a radiu
arlik [135]

The height of the cone is inches, if the cylinder and cone have the same volume.The cylinder has a radius of 2 inches and a height of 3 inches. The cone has a radius of 3 inches.

Step-by-step explanation:

The given is,

          A cylinder and a cone have the same volume

          Cylinder has a radius 2 inches and height of 3 inches.

          Cone has a radius of 3 inches

Step:1

           For Cylinder'

           Formula to calculate the volume of cylinder is,

                        V = \pi r^{2} h..................................................(1)

          where,

                      r - 2 inches

                      h - 3 inches

         From the equation (1)

                           = \pi × 2^{2} × 3

                           = 37.70

                        V = 37.70 cubic inches

Step:2

         For cone,

         Formula to calculate the volume of cone is,

                     V = \pi r^{2} \frac{h}{3}..................................................(2)

         From the statement,

                      cylinder and a cone have the same volume

                      V_{cylinder} = V_{cone}

                          37.70 = \pi × 3^{2} × \frac{h}{3}

                          37.70 = 9.42478 × h

Height of the cone, h = 4 inches

Result:

            Thus the height of the cone is 4 inches, if a cylinder and cone have the same volume.The cylinder has a radius of 2 inches and a height of 3 inches. The cone has a radius of 3 inches.

4 0
3 years ago
Stretch your thinking Will you make a new ten to solve this problem? 59 + 17 explain
topjm [15]

Hey there! :D

So you're wondering if you can make a new ten in this problem, right? Well, lets find out! We can simply do<span> 59 + 17 = 59 + 1 + 16 = 60 + 16 = 76. When we did 59 + 1, that is a new ten then we added to 16. So yes, we did make a new ten in this problem. </span>

<span>Hope it helps! ;)</span>

4 0
3 years ago
Read 2 more answers
A rectangle has an area of 126 m2 and a width of 7 m. What is its length?
Lorico [155]
126 divided by 7 equals 18



18 m
8 0
3 years ago
Read 2 more answers
Please please please help me
alexira [117]

A and can I be brainliest? :3

7 0
3 years ago
Can someone please help me with this problem?
jeka57 [31]

Answer:

110 bonus payments

Step-by-step explanation:

Yearly salary is 20,000. So in 6 years, she will get:

20,000 * 6 = 120,000

Her agent's expectation is 1,000,000 and her salary would cover 120,000

So remaining is 1,000,000 - 120,000 = 880,000

This amount will be taken from bonus payments where bonus is 8000 for every game that attracts 100+ fans. SO we divide 880,000 by 8000 to get the number of bonus payments.

880,000/8000 = 110

4 0
3 years ago
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