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Reika [66]
3 years ago
6

Can someone explain the steps to solve number two?

Mathematics
1 answer:
Vlada [557]3 years ago
7 0
Ok so first you would create a proportion.
8/x=4/1. Next you cross multiply and divide,
1 • 8÷4=x. Ratios are fractions with the first number being the numerator and the second being the denominator. If you think of it this way, you just find an equivalent fraction. Your answer would be 8:2 because in your proportion x=2.
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We went on a road trip and drove 70 miles per hour.If we continued at this speed,how long would it take us to drive 420 miles.sh
jonny [76]

Answer:

6 hours

Step-by-step explanation:

420 ÷ 70 = 6. Divide the distance and speed to get the amount of time.

4 0
3 years ago
Find the missing side of the triangle!!!!!!<br> Help me!!!!!!!!
marshall27 [118]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Marine ecologists estimate the reproduction curve for swordfish in a fishing ground to be f(p) = −0.01p2 + 9p, where p and f(p)
Nimfa-mama [501]

Answer:

The population that gives the maximum sustainable yield is 45000 swordfishes.

The maximum sustainable yield is 202500 swordfishes.

Step-by-step explanation:

Let be f(p) = -0.01\cdot p^{2}+9\cdot p, the maximum sustainable yield can be found by using first and second derivatives of the given function: (First and Second Derivative Tests)

First Derivative Test

f'(p) = -0.02\cdot p +9

Let equalize the resulting expression to zero and solve afterwards:

-0.02\cdot p + 9 = 0

p = 450

Second Derivative Test

f''(p) = -0.02

This means that result on previous part leads to an absolute maximum.

The population that gives the maximum sustainable yield is 45000 swordfishes.

The maximum sustainable yield is:

f(450) = -0.01\cdot (450)^{2}+9\cdot (450)

f(450) =2025

The maximum sustainable yield is 202500 swordfishes.

6 0
3 years ago
Plzzzz help me due very soon
____ [38]
The answer is 45 lmk if it’s correct
ANDDD CAN SOMEONE PLEASE HELP ME WITH MY QUESTIONS
4 0
3 years ago
Please help I’m doing usa test prep
il63 [147K]

Answer:

I think it is 36 in I hope this helps

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