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NemiM [27]
3 years ago
6

Can someone help please

Mathematics
1 answer:
yanalaym [24]3 years ago
7 0

Step-by-step explanation:

a) The volume of the prism is

V = (n^2 - 1)×(n^2 - 1)×(5n)

\:\:\:\:= (n^4 - 2n^2 + 1)(5n)

\:\:\:\:=5n^5 - 10n^3 + 5n

b) If the dimensions L of the prism are tripled, the new volume will be

V' = (3L)^3 = 27L^3 = 27V

so it will increase by a factor of 27.

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Does 2 1/4-6/7=1 3/4
dimulka [17.4K]

Answer: No, it would be 2/5.


Step-by-step explanation: 2 1/4 - 6/7 is equal to about 1.4 when rounded to the nearest tenth. 1.4 as a fraction would be 4/10. 4/10 is simplified to 2/5 by dividing each number by 2.


7 0
3 years ago
13 + 11s = -15 + 8s − 20
koban [17]

<em>Answer,</em>

<em><u>S = -16</u></em>

<em>Explanation,</em>

<em><u>Step 1: Simplify both sides of the equation.</u></em>

<em>13 + 11s = − 15 + 8s − 20</em>

<em>13 + 11s = − 15 + 8s + − 20</em>

<em>11s + 13 = (8s) + (</em><em><u>− 15</u></em><em> + </em><em><u>− 20</u></em><em>) </em><em>(Combine Like Terms)</em>

<em>11s + 13 = 8s + − 35</em>

<em>11s + 13 = 8s − 35</em>

<em><u>Step 2: Subtract 8s from both sides.</u></em>

<em>11s + 13 − 8s = 8s − 35 − 8s</em>

<em>3s + 13 = − 35</em>

<em>Step 3: Subtract 13 from both sides.</em>

<em>3s + 13 − 13 = − 35 − 13</em>

<em>3s = − 48</em>

<em><u>Step 4: Divide both sides by 3.</u></em>

<em>3s/3 = −48/3</em>

<em>s = -16</em>


<u><em>Hope this helps :-)</em></u>


3 0
3 years ago
A tropical species of mite named Archegozetes longisetosus is the record holder for the strongest insect in the world. It can li
taurus [48]

We are given that the insect can lift 1.182 x 10^3 times it's own weight. Say that w is weight, so the lift is:

lift = 1.182 x 10^3 * w

 

Assuming that your body weight is 60 kg, therefore you can lift:

lift = 1.182 x 10^3 * 60 kg = 70,920 kg

8 0
3 years ago
Read 2 more answers
Jim has received scores of 72 72 and 77 77 on his first two 100 point tests. what score must he get on his third 100 point test
Alisiya [41]
77+72=149 
149/2=74.5 
through the process of elimination, I found that Jim needs to get an 88 or higher to receive an average of 79 or greater. 

77+72+88=237 
237/3=79
7 0
3 years ago
Solve the inequality -2x+10&lt;=24
lana66690 [7]

Answer:x

x ≥  - 7

Step-by-step explanation:

5 0
3 years ago
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