3 years ago

In Exercise, expand the logarithmic expression. ln(x + 1)2

Mathematics

1 answer:

rewona [7]3 years ago

4 0

Answer:

In(x^2+2x+1)

Step-by-step explanation:

In(x+1)^2 = In(x+1)(x+1) = In(x^2+x+x+1) = In(x^2+2x+1)

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Plz help me, thank you

Kruka [31]

Answer:

$P=40(1.03526)^{t}$

Step-by-step explanation:

Exponential Growth

The natural growth of some magnitudes can be modeled by the equation:

$P=P_o(1+r)^{t}$

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

The initial number of bacteria is Po=40 and it doubles (P=2Po) at t=20 min. With that point we can find the value of r:

$2P_o=P_o(1+r)^{20}$

Simplifying:

$(1+r)^{20}=2$

Solving for 1+r:

$1+r=\sqrt[20]{2}$

$1+r=1.03526$

The exponential function that models the situation is:

$\mathbf{P=40(1.03526)^{t}}$

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3 years ago

Simplify 10^–8. 1/-100000000 1/100000000 1/-80 1/80

cluponka [151]

Answer:

Step-by-step explanation:

7 0

3 years ago

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A farmer has 90 feet of fence with which to make a corral. If he arranges it into a rectangle that is twice as long as it is wid

Leya [2.2K]

Answer:

W = 15 ft. and L = 30 ft.

Step-by-step explanation:

Perimeter = 90 ft.

Twice as long as it is wide: L=2W

P = 2(L + W) = 2(2W + W) = 6W

90 = 6W

W = 15 ft. and L = 30 ft.

6 0

3 years ago

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The number of students of 7 more than 5 times the number of teacher. there are 12 theacher. how many students are there?

Alborosie

students =7+5*teachers

students = 7+5*12

students = 7+60

students = 67

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3 years ago

Work out the following and give your answer in it's simplest form:

Pavel [41]

Answer:

$\frac{9}{10}$ ÷ $\frac{3}{5}$

=3/5

=1.5

8 0

3 years ago

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