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ira [324]
3 years ago
10

Find the height of a cylinder with radius 13 and surface area 1470.3.

Mathematics
2 answers:
g100num [7]3 years ago
8 0
First you need the formula for SA of a cylinder: SA = 2(πr^2) + 2πr*h
(area of the top and bottom circles plus the side)
Then plug your values into the equation and rearrange to make h the subject:
1470.3 = 2π13^2 + 2π*13*h
26πh = 1470.3 - 338π
h = (1470.3 - 338π)/26π
   =5.00042...
so h is approximately 5 units :)
mixas84 [53]3 years ago
6 0

Answer:

The answer is 5.

Step-by-step explanation:

I did the quiz and it came up as correct.

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Nataly_w [17]

Step-by-step explanation:

slope is the rise over run

rise= X

run= Y

X/Y = slope

6 0
3 years ago
What is the measure of DF?
Vera_Pavlovna [14]
BC= DF

B(0,2) , C(3,2)

d= (3-0)^2 + (2-2)^2
d= 9
Square root 9= 3

DF = 3
Hope this helps!
4 0
3 years ago
Read 2 more answers
Please help! question is in the picture!
koban [17]

9514 1404 393

Answer:

  (5, 1) or maybe (h, k)

Step-by-step explanation:

The given form has no letters other than the variable. The vertex in this vertex-form equation can be read from the expression as (5, 1).

In the generic vertex form ...

  f(x) = a(x -h)² +k

the letters (h, k) are used to represent the vertex.

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You would need to consult your curriculum materials to see what letters your author uses for the vertex in vertex form.

5 0
3 years ago
819 : 17 =?<br>Write your answer as a whole number and remainder.<br>R​
Sati [7]

Answer:

117 R=0

Step-by-step explanation:

819:7= 117 R=0

6 0
3 years ago
The 700th term in a geometric sequence is 20. If the common ratio of the sequence is 0.25, what is the 699th term?
GenaCL600 [577]
There are two ways to solve this problem. First, you can use the derived formula for geometric sequence which can be used to find any nth term of the sequence. Or, we can use the second easier way. Since we are given with the 700th term, and the asked is the 699th term, then that means,

(699th term)*(Common Ratio) = 700th term
699th term = 700th term/Common Ratio = 20/0.25 = <em>80</em>
6 0
3 years ago
Read 2 more answers
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