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Svetach [21]
3 years ago
9

Help meeeeee I begggg

Mathematics
1 answer:
Alex Ar [27]3 years ago
6 0

There is a app (look up the equation in google and it should show up. Its called M.A.T.H.W.A.Y... Only the m is capitalized and take the dots away... the thing kept saying that I couldn't type it so sorry that I can't) that can help! It helps with all sorts of math! Best of all, no points or money is needed!

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Find the volume of the cone. Round your answer to the nearest tenth if necessary. Use 3.14 for π.
CaHeK987 [17]
The volume of the gone is about three inches
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3 years ago
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What is the better buy? 1.50 for 5 oz 1.20 for 3 oz
lyudmila [28]
I think the better buy is the 1.50 for 5oz
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Can someone answer this question please?
Mekhanik [1.2K]
Steps:
1. calculate the values of y at x=0,1,2. using y=5-x^2
2. calculate the areas of trapezoids (Bottom+Top)/2*height
3. add the areas.

1. 
x=0, y=5-0^2=5
x=1, y=5-1^2=4
x=2, y=5-2^2=1
2. 
Area of trapezoid 1 = (5+4)/2*1=4.5
Area of trapezoid 2 = (4+1)/2*1=2.5

Total area of both trapezoids = (4.5+2.5) = 7

Exact area by integration:
integral of (5-x^2)dx   from 0 to 2
=[5x-x^3/3] from 0 to 2
=[5(2-0)-(2^3-0^3)/3]
=10-8/3
=22/3
=7 1/3, slight greater than the estimation by trapezoids.

8 0
3 years ago
14. If the interest of a sum at 12% in 4 years 6 months is Rs. 1200. find the sum ​
oksian1 [2.3K]
Gfghhbvbbbhbjbhbhbgvcthjnj
4 0
2 years ago
Please answersee image bellow
vova2212 [387]

Answer:

<h2>62.832 mi.²</h2><h2></h2>

Step-by-step explanation:

surface area = 2πrh + 2πr²

where r = 2 miles radius

          h = 3 miles

<u>plugin values into the formula</u>

surface area = 2πrh + 2πr²

                     = 2π (2) 3  +  2π (2)²

                     = 37.699  +  25.133

                     = 62.832 mi.²

4 0
3 years ago
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