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beks73 [17]
4 years ago
15

23. A population of mice grows according to the formula A(t) = 300e0.087t where

Mathematics
1 answer:
dem82 [27]4 years ago
7 0

Option B

The amount of mice when t = 0 is 300

<h3><u>Solution:</u></h3>

Given that  population of mice grows according to the formula:

A(t) = 300e^{0.087t}

where  t is measured in months

<em><u>To find: amount of mice when t = 0</u></em>

So we have to substitute t = 0 in given formula and find value of A(t)

A(t) = 300e^{0.087t}

Substitute t = 0

A(t) = 300e^{0.087 \times 0}\\\\A(t) = 300e^{0}

\text{ We know that } e^0 = 1

So we get,

A(t) = 300 \times 1 = 300

Thus the amount of mice when t = 0 is 300

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Answer:

s = - 12.8

Step-by-step explanation:

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A biology test is worth 100 points and has 36 questions.
Ad libitum [116K]

Answer:

(a) 7 essays and 29 multiple questions

(b) Your friend is incorrect

Step-by-step explanation:

Represent multiple choice with M and essay with E.

So:

M + E= 36 --- Number of questions

2M + 6E = 100 --- Points

Solving (a): Number of question of each type.

Make E the subject of formula in M + E= 36

E = 36 - M

Substitute 36 - M for E in 2M + 6E = 100

2M + 6(36 - M) = 100

2M + 216 - 6M = 100

Collect Like Terms

2M - 6M = 100 - 216

-4M = - 116

Divide both sides by -4

M = \frac{-116}{-4}

M = 29

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E = 36 - 29

E = 7

Solving (b): Can the multiple questions worth 4 points each?

It is not possible.

See explanation.

If multiple question worth 4 points each, then

2M + 6E = 100 would be:

4M + xE = 100

Where x represents the number of points for essay questions.

Substitute 7 for E and 29 for M.

4 * 29 + x * 7 = 100

116 + 7x = 100

Subtract 116 from both sides

116-116 + 7x = 100 -116

7x = 100-116

7x = -16

Make x the subject

x = -\frac{16}{7}

Since the essay question can not have worth negative points.

Then, it is impossible to have the multiple questions worth 4 points

<em>Your friend is incorrect.</em>

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3 years ago
Find the value of x and y. Need some help solving this one.
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I'mthat'sAnswer:

ima be honest I'm not that intelligent thats why im on here but if I'm not mistaken divide y by x and u should have your answer

Step-by-step explanation:

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Pamela took a total of 27 quizzes over the course of 9 weeks. After attending 10 weeks of school this quarter, how many quizzes
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30

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27 diviend by 9 = 3 so 27 +3 = 30.

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3 years ago
Show work THEN the answer
inysia [295]
The answer is 1.7325

1x5=5
1x2=2
1x8=8
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All the answers to the next number will all be zero.

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