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2 years ago

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Mathematics

1 answer:

satela [25.4K]2 years ago

8 0

Answer:So, since it is continuously, we need to think of PERT

A=P\times e^{rt}

So, we just plug our numbers in to solve for T

8000=4000e^{.07t}\\\ln(8000)=\ln(4000e^{.07t})\\\ln(8000) = \ln(4000) + \ln(e^{.07t})\\\ln(8000)=\ln(4000)+.07t\ln(e)\\\ln(8000)=\ln(4000)+.07t\\\frac{\ln(8000)}{\ln(4000)}=.07t\\\frac{\ln(8000)}{.07\ln(4000)}=t\\ 15.479=t

It will take 15.479 years

Step-by-step explanation:

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seropon [69]

Answer:

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Step-by-step explanation:

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2 years ago

What is StartAbsoluteValue 8 EndAbsoluteValue?

Minchanka [31]

The absolute value of 8 that is |8| is equal to 8.

We have given that,

|8|

We have to determine the value of |8|.

<h3>What is the absolute value?</h3>

The absolute value or modulus of a real number x denoted |x|, is the non-negative value of x without regard to its sign. Namely, $|x|=x$ if x is a positive number, and $|x|=-x$ if x is negative, and $|0|=0$ .

Absolute values only find the true distance of a number from 0. Distance is always positive, so the absolute value of anything is always positive.

|8| = 8

To learn more about the absolute value visit:

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3 0

1 year ago

Read 2 more answers

when asked to factor the x^2 - 100, a student gives the answer (x -10) (x-10). what is wrong with this answer?

aalyn [17]

$x^2-100\\\\=x^2-10^2\\\\=(x+10)(x-10)\\\\\text{The difference of two squares formula is}~ a^2 -b^2 =(a+b)(a-b),\\\\\text{So, the student did not apply it properly}$

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1 year ago

If a doctor gives you three pills and tells you to take one pill every half hour, how long would it take before all the pills ha

arlik [135]

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5 0

2 years ago

More math help pls. :)

Step2247 [10]

By using trigonometric relations, we will see that x = 9.97°.

<h3>How to find the missing angle?</h3>

First, we need to find the bottom cathetus of the smaller triangle, we will use the relation:

Tan(θ) = (opposite cathetus)/(adjacent cathetus).

Where:

θ = 26°
Adjacent cathetus = k
Opposite cathetus = 55ft.

Replacing that we get:

Tan(26°) = 50ft/k

Solving this for k, we get:

k = 55ft/tan(26°) = 112.8 ft

Now, we can see that the longer triangle adds 200ft to this cathetus, so now we will have:

angle = x
opposite cathetus = 55ft
adjacent cathetus = 112.8ft + 200ft = 312.8ft.

Then we have:

Tan(x) = (55ft/312.8ft)

Using the inverse tangent function in both sides, we get:

x = Atan(55ft/312.8ft) = 9.97°

If you want to learn more about right triangles, you can read:

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2 years ago