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Murljashka [212]
2 years ago
5

A octagonal pyramid has a base with area of 225 sq in, and a height of 20 in. What is its volume?

Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
4 0

Answer:

5,400

Step-by-step explanation:

225 / 2 = 112.5

112.5 x 2 = 225

225 x 20 = 5,400

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A certain type of chocolate bar is sold as follows.
Scrat [10]

Answer:

Step-by-step explanation:

You would never buy a 10-pack, because two 5-packs cost less.

To buy 3 bars you need a single bar and a pair of single bars for £0.82 + £0.82+ £0.41 = £2.05

To buy 30 bars you need 3 pairs of 5-bar packs = 3×£5.75 =  £17.25

To buy the remaining 5 bars you need one 5-bar pack = £3

cost = £2.05 + £17.25 + £3 = £22.30

5 0
3 years ago
This month carla caught the following fish in lake george<br><br><br> will mark brainliest
Ira Lisetskai [31]

Answer:

The fish could be a seafish.

Step-by-step explanation:

Seafishes are fishes that live in the sea most of the time.

5 0
3 years ago
Can please help!
sukhopar [10]
Answer:
equation is: width = area / length
width = 62.5 yd

Explanation:
For the first rectangle:
We have:
length = 75 yd and width = 60 yd
Therefore:
area = length * width 
area = 75 * 60
area = 4500 yd²

For the second rectangle:
We have:
area = area of first rectangle = 4500 yd²
length = 72 yd
area = length * width
width = area / length ............> The required equation
width = 4500 / 72
width = 62.5 yd

Hope this helps :)
5 0
3 years ago
What is the square number for 2
kotegsom [21]
4 because you take 2²= 2 times 2 = 4

4 0
3 years ago
Paul travel to the lake and back. The trip took 3 hours and the trip back took 4 hours He averaged 10 mph faster on the trip the
ollegr [7]

Answer:

  40 mph

Step-by-step explanation:

We assume "outbound" refers to the trip <em>to the lake</em>. The ratio of speeds is inversely proportional to the ratio of times, so ...

  outbound speed : inbound speed = 4 : 3

These differ by one ratio unit, so that one ratio unit corresponds to the speed difference of 10 mph. Then the 4 ratio units of outbound speed will correspond to ...

  4×10 mph = 40 mph

Paul's average speed on the outbound trip was 40 mph.

___

The distance to the lake was 120 mi.

4 0
3 years ago
Read 2 more answers
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