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Phantasy [73]
3 years ago
9

A population of 1000 rabbits in the woods reproduces and their population grows by 40% each year.1). What equation models the gr

owth of the rabbit population?
A. y=.40x + 1000
B. =.40+1000
C. =1000(1.4)
D. =1000(.40)
Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

A

Step-by-step explanation:

To solve this I first solved the equation for how many rabbits there would be after 1 year

1000+ .40×(1400)

This is going to give me the number of rabbits at first, + 40% of the initial population.

After the first year there would be 1400 rabbits.

While choice C does equal 1400, this equation only gives you the population increase for 1 year. Answer A allows you to find the population for any year.

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The Fifth Grade classes are going on a field trip. Mrs. Lafont fills an ice chest with drinks. The ice chest holds 122 cubic inc
forsale [732]
122+118=240 because you add it.
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3 years ago
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If angle LMPis 11 degrees more than angle NMP and angle NML is 137 find each measure.
OLEGan [10]

Answer:

angle NMP = 63°

angle LMP = 74°

Step-by-step explanation:

Let angle NMP be x° . It's given that angle LMP is 11° more than angle NMP. So, angle LMP = x° + 11°

But angle NML = 137°.

So,

angle NMP + angle LMP = 137°

=> x° + x° + 11° = 137°

=> 2x° + 11° = 137°

=> 2x° = 137° - 11°

= 126°

=> x° = 126/2 = 63°

angle NMP = 63°

angle LMP = 63 + 11 = 74°

7 0
3 years ago
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A university dean is interested in determining the proportion of students who receive some sort of financial aid. Rather than ex
Roman55 [17]

Answer:

 Standard error (S.E) =  0.048  ≅ 0.05

Step-by-step explanation:

<u>Explanation</u>:-

Given  sample size 'n'=76

Given the dean who randomly selects 76 students and finds that 58 out of 76 are receiving financial aid.

Sample proportion

                         p = \frac{x}{n} = \frac{58}{76} = 0.7631

The standard error is determined by

                     S.E = \sqrt{\frac{p(1-p)}{n} }

                     S.E = \sqrt{\frac{0.763(0.2369}{76} }

  Standard error is 0.048  ≅ 0.05

3 0
3 years ago
a copy machine can print 810 copies every 9 minutes. A laser printer printed 1,350 copies. How long did it take to print?
Gre4nikov [31]

Answer:

15

Step-by-step explanation: You would think 15. 810 copies every 9, minutes. Nine divided by 810 equals 90. 90 copies every minute. 1,350 divided by 90 is fifteen. =fifteen.

5 0
2 years ago
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Please help!
Hunter-Best [27]

Answer:

There is a 1/8 chance.

If there are 4 cards in the deck, and one three card, it makes it a 1/4 chance of picking the card the first time.

The probability stays the second time you pull out a card.

So, you would do the equation 1/4 * 1/4, which is 1/8. That is the answer.

4 0
3 years ago
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