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madreJ [45]
3 years ago
10

The volume of a cone with a height of 6 cm is 8 PI cubic centimeters. Which expression can be used to find r, the radius of the

Mathematics
1 answer:
timama [110]3 years ago
6 0

Answer:

The correct option is D.

8π = 1/3 * π * (r)² * 6

Step-by-step explanation:

First of all to solve this problem we have to know the formula to calculate the volume of a cone

v = volume  = 8π

r = radius

h = height  = 6cm

π = pi

v = 1/3 * π * r² * h

we replace with the known values

8π = 1/3 * π * (r)² * 6

If we look at the options, the correct option is D.

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6 sweets cost 24p all together how much do 5 sweets cost
Vlada [557]

Cost of 6 sweets = 24p

so, cost of 1 sweet = 24p/6 = 4p

Now, cost of 5 sweets will be =4p*5 = 20p

3 0
3 years ago
Given the equation, y= 1/3 x - 4. what is the slope and the y-intercept?
tamaranim1 [39]

Answer:

The slope (m) = 1/3 and the y-intercept (b) = -4

3 0
3 years ago
Given the quadratic relation y = -x2 + 6x - 6, a) write the equation in vertex form b) graph the quadratic relation (using noteb
Mekhanik [1.2K]
<h3>Answer:</h3>
  • y = -(x -3)² +3 . . . . (agrees with your answer)
  • see the attachment for a graph
<h3>Step-by-step explanation:</h3>

Factoring the leading -1 from the first two terms, we have ...

... y = -(x² -6x) -6

Adding 9 inside parentheses to complete the square, then adding the opposite amount outside parentheses, we have ...

... y = -(x² -6x +9) -6 +9

... y = -(x -3)² +3

8 0
3 years ago
3(-2x-4y)-4(6y-x)<br> simplify
postnew [5]

Answer:

Simplify the expression.

12xy−72yexponent 2 -6x

Step-by-step explanation:

got it from mathaway

8 0
3 years ago
Read 2 more answers
How would you do this???
Kobotan [32]

Answer:

8.3 L/s

Step-by-step explanation:

To find the answer you need to find the slope also known as the rate of change. When you find slope it is always change in y over change in x.

\frac{399-150}{40-10}

Then simplify

\frac{249}{30}

Then divide to get your slope/average rate of change

\frac{249}{30} = 8.3

6 0
3 years ago
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