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Stells [14]
2 years ago
10

Population density is the number of people per unit of area the population density of a certain region is 60 people per square k

ilometer if the region covers 23 km² what is the population of the region
Mathematics
1 answer:
DedPeter [7]2 years ago
4 0

Answer:

1,380 people

Step-by-step explanation:

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The distance a spring will stretch varies directly with how much weight is attached to the spring. if a spring stretches 9 inche
Tcecarenko [31]
9/100 = x/90
Cross multiply to get 810 = 100x
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3 years ago
Aimee is shipping a care package to her friend in college, and she has a piece of
VikaD [51]

Aimee is shipping a care package to her friend in college, the max volume of the box is mathematically given as

V=1539.6007

<h3>What is the max volume of the box?</h3>

Generally, the equation for the height is mathematically given as

V=(20-2x)(40-2x)x

Where x is the height

V=4x^3-120x^2+800x

differentiate v and solve

dv/dx=3x^2-60+200

3x^2-60+200=0

Therefore

x=\frac{60\pm \sqrt{60^2-4x3x200}}{2*3}

x=\frac{60-34.64}{6}

x=4.2265

In conclusion, the second differentiation of v and solve we have

d^2v/dx^2=24-240

Hence

d^2v/dx^2< 0

V=(20-2x(40-2x)x

subsitute x

V=(20-2(4.2265))(40-2(4.2265))(4.2265)

V=1539.6007

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3 0
2 years ago
Please tell me how to do it thank you​
Triss [41]

Answer:

First set: 0.95. Second set: 0.86. Third set: 0.88.

Step-by-step explanation:

Imagine that these are not decimals, they are regular numbers (for example: 0.88 is turned into 88). You would determine which one is the greatest depending on which one is higher (like 44 is higher than 32). Therefor the first set: 0.95 the second set: 0.86 the third set: 0.88.

6 0
3 years ago
What is the value of the product (3 - 21(3 + 2)?<br> 5<br> 9 +47<br> 9-41<br> 13
viktelen [127]

Answer:

13

Step-by-step explanation:

Hope this is helpful.

3 0
3 years ago
Question 3 of 13
I am Lyosha [343]
\bold{ANSWER:}
OPTION B

\bold{SOLUTION:}

5 0
3 years ago
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