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bekas [8.4K]
3 years ago
14

Cylinder a has a height of 8 cm cylinder b has a height of 12 cm. find the surface area​

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
8 0

Step-by-step explanation:

Answer

Radius = 6 cm

Surface area = 2πr(r+h)

=2×

7

22

×6×(6+8)

=528 cm

2

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Find the slope of the line going through the points (0,6) and (-3,9)
andre [41]

Answer:

The slope of the line is 5.

The point slope form of the line is y=5x+6.

Step-by-step explanation:

We can find the slope using this formula: \frac{y_{2} }{x_{2} } -\frac{y_{1} }{x_{1} }

\frac{6}{0} -\frac{9}{-3} =

\frac{6}{0} -(-\frac{9}{3} )=

\frac{6}{0} +\frac{9}{3} =

\frac{15}{3} =

5

The slope of the line is 5.

To find point slope form, we use the equation y=mx+b where m is the slope and b is the y-intercept.

The y-intercept of this slope is 6 and the slope is 5 so we get, y=5x+6

7 0
3 years ago
A theatreticket cost £63 plus a booking fee of 3%. What is the total price of the ticket
Ierofanga [76]

3% of 63 = 1.89

63 + 1.89 = 64.89

The total price of the ticket is £64.89!

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

7 0
3 years ago
Bruhhh help me please
zheka24 [161]

Answer:

A, (-3,0)

Step-by-step explanation:

Just plug that one in and it works out.

5*-3+2*0= -15

2*-3-2*0= -6

7 0
3 years ago
Read 2 more answers
Can someone help me with this question please?
ra1l [238]
The answer is 3 and you have to subsitute -6 in for n to get your answer
4 0
3 years ago
Use the pencil,plot the point (3 1/2, 2 3/4)
kipiarov [429]

Answer:

The diagram of the plotting point \left(3\frac{1}{2},\:2\frac{3}{4}\right)=\left(3.5,\:2.75\right) is attached below.

Step-by-step explanation:

Given the points

\left(3\frac{1}{2},\:2\frac{3}{4}\right)

as

3\frac{1}{2}=\frac{7}{2}=3.5

2\frac{3}{4}=\frac{11}{4}=2.75

so the point can be visualized as:

\left(3\frac{1}{2},\:2\frac{3}{4}\right)=\left(3.5,\:2.75\right)

Now, we can check the point x = 3.5, and determine the corresponding value y = 2.75 and plot the point at the location (x, y) = (3.5, 2.75)

The diagram of the plotting point \left(3\frac{1}{2},\:2\frac{3}{4}\right)=\left(3.5,\:2.75\right) is attached below.

8 0
3 years ago
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