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topjm [15]
3 years ago
11

Find the total surface area of the following

Mathematics
1 answer:
xeze [42]3 years ago
7 0

Step-by-step explanation:

The volume of the cone is:

1/3 *π* r² *h =

1/3 *π *4* 2square root of 3=

(8*square root of 3*π)/3

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7:5 is equivalent to 21: ?
Svet_ta [14]

Answer:

7:5 is the same as 21: 15

Step-by-step explanation:

21/7 = 3 and 3*5=15

i divided 21 by 7 to see how many times it was multiplied to get there, so i could do the same thing to the 5

I hope this helps :)

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3 years ago
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What is the x and y intercept of the parabola y=x^2-6x+10 and ow do you graph the equation
Mazyrski [523]
The x- intercept is where y = 0 on the graph and the y- intercept is where x= 0 on the graph. When X=0, all the terms, except for the constant are equal to zero, thus the y- intercept is the constant. y=10 when x=0. Use the quadratic formula to find the x value where y=0. 
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3 years ago
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3 years ago
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Which of the fallowing is a even number 25, 28, 31, 37
irga5000 [103]
Even numbers end with 2,4,6,8, or 0. Thus, 28 is the even number.
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Find 50% of 36:<br> Find 25% of 36:<br> Find 75% of 36:
HACTEHA [7]

Answer:

18, 9, 27

Step-by-step explanation:

36 ÷ 2 = 18. Dividing by 2 is the same as multiplying by 50%.

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Since 25% • 3 = 75%, you can do 9 (from previous) • 3 to get 27.

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