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AnnyKZ [126]
3 years ago
13

What is the area of a tank 42 meters tall and a diameter of 20 meters

Mathematics
1 answer:
Makovka662 [10]3 years ago
8 0

Answer:

this is the correct answer

You might be interested in
What is the equation of the line that passes through the point (3,-7) and has a slope of -4/3?
Gemiola [76]

Answer:

4x + 3y + 9 = 0

Step-by-step explanation:

When a slope of a line and a point passing through it is given then we use slope - one point form to determine the equation of the line.

It is given by:

                      $ (y - y_1) = m (x - x_1) $

where $m$ is the slope of the line and

           $ (x_1, y_1) $ is the point passing through it.

Here, $ m = \frac{-4}{3} $ and $ (x_1 , y_1) = (3 , -7) $.

Substituting in the formula y +  7 = \frac{-4}{3} (x - 3)

$ \implies 3y + 21 = -4x + 12 $

$ 4x + 3y + 9 = 0 $

3 0
3 years ago
Given the points (4, 5) and (-2, 8), find the slope of the line that passes through the points.
HACTEHA [7]

Answer: c

Step-by-step explanation:

Formula of slope of line :

m=y2-y1/x2-x1

m=8-5/-2-4

=-3/6

m=-1/2

7 0
3 years ago
If 27^27+27^27+27^27=3^k<br> What is k?
JulijaS [17]

Answer:

\large{\boxed{k=82}}

Step-by-step explanation:

27^{27}+27^{27}+27^{27}=3^k

3 \cdot 27^{27}=3^k

3 \cdot (3^3)^{27}=3^k

3 \cdot 3^{81}=3^k

3^{82}=3^k \implies k=82

6 0
3 years ago
A circular path runs around a circular plot. If the circumference of the plot and the path are 44m and 88m,respectively, find th
boyakko [2]

Answer:

7 meters

Step-by-step explanation:

circumference of path=88m

⇒2πr=88

⇒2.  

7

22

​  

.r=88

⇒r=14m

circumference of plot=44m

⇒2πr  

′

=44

⇒2.  

7

22

​  

.r  

′

=44

⇒r  

′

=7m

therefore width of path=r−r  

′

 

=14−7

=7m

3 0
3 years ago
On a coordinate plane, a solid straight line has a negative slope and goes through (0, 1) and (1, 0). Everything to the left of
pochemuha

Answer:

B

Step-by-step explanation:

The equation is

y<=-x+1.

We test all and figure that B is correct.

-2<=-3+1

-2<=-2.

Correct!

So the answer is B

Hope this helps ;D

3 0
3 years ago
Read 2 more answers
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