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kupik [55]
2 years ago
14

Thanks for everyone who's helping :) please help for a grade and due today

Mathematics
1 answer:
Komok [63]2 years ago
3 0

Answer:

3 3/4

Step-by-step explanation:

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The diagram shows a solid formed by joining a hemisphere, of radius rcm, to a cylinder, of radius rcm and height hcm. The total
posledela

Answer:

Step-by-step explanation:

The total surface area of the sphere = 2πr²

Total surface area of the cylinder = 2πr²+2πrh

Total surface area of the solid = 4πr²+2πrh

r is the radius of the sphere and the cylinder

h is the height of the cylinder

Total surface area of the solid = 2πr(r+h)

If the total height of the solid is 18 cm, then r+h = 18cm

Given the Total surface area of the solid = 205π cm

205π = 2πr(r+h)

205π = 2πr(18)

205π = 36πr

205 = 36r

Divide both sides by 36

205/36 = 36r/36

r = 5.69cm

Since  r+h = 18cm

5.69+h = 18

h = 18-5.69

h = 12.31cm

6 0
3 years ago
Subtract and reduce: 2 2/3 - 1 1/2
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Step-by-step explanation:

I used a calculator but the answer is 1 1/6

5 0
2 years ago
The drama department was considering two options for the winter production. They used the following equations to represent the p
stellarik [79]

Answer:

Graph D is correct

Step-by-step explanation:

This is complicated because the scales on the x-axis and y-axis are not the same. Graph D has the correct y-intercepts and the correct slopes. The solution is x = 500, where the two lines intersect.

8 0
3 years ago
A homeowner plans to remodel her bathroom,- and she’s chosen 1-foot-by-1 foot ceramic tiles for the floor. The bathroom is 8 fee
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a.)102*88=8976 in total.

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b.) 4*748=2992 dollars

c.) yes it qualifies

hope this is correct, if not, sorry for the inconvenience...

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3 years ago
On weekends a movie ticket costs $10.50. form an inequality and solve it to find the maximum number of tickets kate can buy with
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$10.50

10 Tickets would be $105.00

$105.00 - $10.50 = $94.50 so 9 Tickets would be $94.50

$105.00 + $94.50 = $199.50

$205.00 - $199.50 = $5.50 which isn't enough for another ticket.

10 Tickets + 9 Tickets = 19 Tickets.

3 0
2 years ago
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