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nordsb [41]
3 years ago
5

Cylinder A has a radius of 2 inches and a height of 2 inches. Cylinder B has a radius of 2 inches and a height of 4 inches. Calc

ulate the surface area for both cylinders.
A) A: 8π in2; B: 24π in2
B) A: 24π in2; B: 16π in2
C) A: 16π in2; B: 36π in2
D) A: 16π in2; B: 24π in2

Mathematics
1 answer:
Rus_ich [418]3 years ago
4 0
Cylinder A- 50.27 in.

Cylinder B- 75.4 in.

The correct answer is D)

Hope this helps! I would appreciate a brainliest!
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The diagonals of a parallelogram ABCD intersect at O.find ar(AOB),if ar(ABCD)is 44cm^2
prisoha [69]

Answer:

11\text{ cm}^2

Step-by-step explanation:

Given: In a parallelogram ABCD, diagonals intersect at O and ar(ABCD) is 44 \text{cm}^2.

We need to find the area of triangle AOB.

We know that each diagonal divide the parallelogram in two equal parts and diagonals bisect each other.

It means both diagonals divide the parallelogram in 4 equal parts.

ar(AOB)=\dfrac{1}{4}\times ar(ABCD)

ar(AOB)=\dfrac{1}{4}\times 44

ar(AOB)=11

Hence, the values of ar(AOB) is 11\text{ cm}^2.

5 0
3 years ago
How to rename 82 thousands
shutvik [7]
82,000
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5 0
3 years ago
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Quadrilateral G, H, I, J has vertices G(-1,2), H(-1,4), I(-2,5) and
bonufazy [111]
I think the answer Is D fame
6 0
3 years ago
A boat takes 3.6 h to travel downstream from its dock to a fishing hole. If the water were still, it would have taken 4.5 h to m
salantis [7]
Given:

t1 = 3.6 h
t2 = 4.5 h
x = speed of boat
y = speed of water

Required:
a) Expression of distance traveled with moving water with 3.6h
     Expression of distance traveled with moving water with 4.5h
b) Solve for y
c) Percent of boat's speed is the water current

Solution:

Working formula: 
distance = velocity*time

a) For travelling downstream, we get the equation

d = (x +y)*3.6

For travelling upstream, we get the equation

d = (x-y)*4.5

b) Setting the distance as equal for travelling upstream or downstream, we arrive at the equation of

(x+y)*3.6 = (x-y)*4.5
3.6x + 3.6y = 4.5x - 4.5y
8.1y =0.9x
y = x/9

c) percentage = 1/9*100% = 11.1%

<em>ANSWERS: a) d = (x+y)*36; d = (x-y)*4.5
</em>
                     <em>b) y = x/9
</em>                     <em>c) 11.1%</em> 

3 0
3 years ago
Beginning at sunrise the temperature rose 2.8° per hour how long did it take for the temperature to rise a total of 19.18°?
nadezda [96]
19.18/2.8= 6.85 hours or rounded it would be 7 hours

3 0
3 years ago
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