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Firlakuza [10]
2 years ago
12

Where r is the radius of the cylinder and h is the height of the cylinder.

Mathematics
1 answer:
guajiro [1.7K]2 years ago
8 0

Answer:

703.7 in²

Step-by-step explanation:

SA = 2πrh+2πr²

= 2×π×7×9+2×π×7²

= 224π

= 703.7 in² (rounded to the nearest tenth)

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One car takes half a minute to complete a circuit.
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Answer:

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Step-by-step explanation:

5 0
3 years ago
jess has $22 and saves $5 each week rosie has $10 and saves $8 each week how many weeks till they have the same amount of money
Lemur [1.5K]
Answer: 5 weeks

Explanation:
Jess starts with $22 and saves $5 per week, Rosie has $10 and saves $8 per week.

In order to find an equal amount of money between the two girls is by finding a common denominator.

Jess- 22, 27, 32, 37, 42
Rosie- 10, 18, 26, 34, 42

Since we found that they can both end up with $42, after a certain amount of weeks have passed, now you’ll want to count how many numbers are in each row to find the amount of weeks it took to get to an equal amount
4 0
3 years ago
Sorry for the little blur but number 18 please! And sorry for the work mess. Start where it says *Start Here*
motikmotik
You are almost done!
well, the euation of a circle centered at (h,k) and radius r is
(x-h)²+(y-k)²=r²

so you havve
(x-3)²+(y+5)²=9 (which is correct)
this can be rewritten as
(x-3)²+(y-(-5))²=3²
the center is (3,-5) and the radius is 3
5 0
2 years ago
You are in charge of purchasing donuts and chocolate milk for a school activity. Find the cost of donuts and chocolate milk at y
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Let C = 80

Take it from here.
5 0
3 years ago
Please answer this question are you please
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