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pantera1 [17]
2 years ago
12

Week 12 Please answer with clear instructions so that i can apply this to other questions

Mathematics
1 answer:
OLEGan [10]2 years ago
3 0

Answer:

94.2m^2

Step-by-step explanation:

The formula for SA of a cone is...

\pi (r)(h)+\pi (r)^2

Fill in what you have

\pi (3)(7)+\pi (3)^2

Pi is 3.14 for our purposes

\pi (3)(7)+\pi (3)^2\\3.14(3)(7)+3.14(3)^2

Then solve

21(3.14)+9(3.14)\\\\94.2m^2

You might be interested in
If LN=54 and LM=31, find MN
kirza4 [7]
In this item, it is unfortunate that a figure, drawing, or illustration is not given. To be able to answer this, it is assumed that these segments are collinear. Points L, M, and N are collinear, and that L lies between MN. 

The length of the whole segment MN is the sum of the length of the subsegments, LN and LM. This can be mathematically expressed,
             LN + LM = MN

We are given with the lengths of the smalller segments and substituting the known values,
             MN = 54 + 31
            MN = 85

<em>ANSWER: MN = 85</em>
7 0
3 years ago
Read 2 more answers
Hi! im alex, just answer these easy questions and recive your points &lt;3
Delvig [45]

Answer

106 sio so you multiply first

1+1+2+3+4+5+6×15

1+1+2+3+4+5+90

then you add all of them then it will be 106

8 0
3 years ago
What is the correct answer?
babunello [35]

Answer:

Image B shows a reflection.

6 0
3 years ago
Read 2 more answers
If f (x) = 3, what is the value of f (-7)<br><br> A. x -10<br> B. 3<br> C. -4<br> D. -21
Gemiola [76]

Answer:

D

Step-by-step explanation:

3*(-7)=(-21)

7 0
3 years ago
If you invest $8,600 at a 3.95% simple annual interest rate, approximately how long will it take for you to have a total of $21,
telo118 [61]
Well, Doing 8,600 x .0395, you get 339.7, then if you do that x 25, that's too low if you add 8600 to it, 36 years if you do 339.7 x 25, then add 8600 its extremely close to 21000. And since you put approximately, since this will round up, the best answer choice is definitely B

Hope this helps. Have a great day!
 
5 0
3 years ago
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