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Len [333]
2 years ago
15

can someone explain and answer this for me.... my math final is tomorrow and this is the only thing im confused on​

Mathematics
1 answer:
irakobra [83]2 years ago
8 0

Answer:

  937,381

Step-by-step explanation:

The problem statement explains the exponential formula for the population. It is written in terms of doubling time. You are told what the variables are, and you are given their values. All you need to do is substitute them into the formula and do the arithmetic.

__

  P_0=93000\\t=10\\d=3\\\\P_t=93\;\!000(2^{\frac{10}{3}})\approx93\;\!000\times10.7093684\\\\P_t\approx937\:\!381

The population of the culture after 10 hours is 937,381.

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Help pls (10 POINTS) What fraction is less than the fraction represented by the model?​
goblinko [34]

Answer:

2/4

Step-by-step explanation:

It’s very easy

6 0
2 years ago
Let y in the form of a + ib, where a and b are real numbers, be the cubic roots of a complex number z 20, where z =2 4+i3. Find
GalinKa [24]

The possible values of a + b are 0.89, 3.01 and -3.9

<h3>How to determine the value of a + b?</h3>

The given parameters are:

y = a + ib

z = 24 + i3

Where:

y = ∛z

Take the cube of both sides

y³ = z

Substitute the values for y and z

(a + ib)³ = 24 + i3

Expand

a³ + 3a²(ib) + 3a(ib)² + (ib)³ = 24 + i3

Further, expand

a³ + i3a²b + i²3ab² + i³b³ = 24 + i3

In complex numbers;

i² = -1 and i³= -i

So, we have:

a³ + i3a²b + (-1)3ab² -ib³ = 24 + i3

Further expand

a³ + i3a²b - 3ab² - ib³ = 24 + i3

By comparing both sides of the equation, we have:

a³ - 3ab² = 24

i3a²b - ib³ = i3

Divide through by i

3a²b - b³ = 3

So, we have:

a³ - 3ab² = 24

3a²b - b³ = 3

Using a graphing tool, we have:

(a,b) = (-1.55, 2.44), (2.89,0.12) and (-1.34,-2.56)

Add these values

a + b = 0.89, 3.01 and -3.9

Hence, the possible values of a + b are 0.89, 3.01 and -3.9

Read more about complex numbers at:

brainly.com/question/10662770

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2 years ago
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tino4ka555 [31]
The slope of the equation is 4
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PtichkaEL [24]
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3 0
3 years ago
Log2(3x+1)=log4(x+8)
lara31 [8.8K]

Answer:

(1.35, 1.6)

Step-by-step explanation:

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