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blagie [28]
3 years ago
13

The ratio of surface areas of 2 similar cones is 16:49. What is the ratio of volumes of similar cones?

Mathematics
1 answer:
Talja [164]3 years ago
4 0

First, you need to get their square roots.

4:7

Next, you need to get the cube of their square roots so,

4^3:7^3

The answer is

64:343

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7 0
3 years ago
Find perimeter of the figure thanks and round to the nearest hundredth
Gnom [1K]

Answer:

40.56

Step-by-step explanation:

you need the circumference of the cirle aka perimeter of circle so  8(pi) and then because its only half, divided by 2... 12.56

now you hgave circumference so add 12.56 to 28 and there you go. you can round how ever necessary

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to108--3?<br> O 5/3)<br> O 63<br> O 73i
Wewaii [24]

Answer:

(A) option

Step-by-step explanation:

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4 0
3 years ago
Here are two rectangles.
Sophie [7]

Answer:

AB=9.5\ cm

Step-by-step explanation:

step 1

Find the length side PQ

we know that

The area of rectangle PQRS is given by

A=(PQ)(QR)

A=66\ cm^2

so

66=(PQ)(QR)

substitute the value of QR

66=(PQ)(12)

solve for PQ

PQ=66/12\\PQ=5.5\ cm

step 2

Find the length side AB

we know that

The perimeter of rectangle ABCD is given by

P=2(AB+BC)

we have

P=30\ cm\\BC=PQ=5.5\ cm

substitute

30=2(AB+5.5)

solve for AB

15=AB+5.5\\AB=15-5.5\\AB=9.5\ cm

6 0
3 years ago
Find the length of the arc intercepted by central angle 0 = 250° in a circle with radius r =
andrew11 [14]

Answer:

6

Step-by-step explanation:

4 0
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