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gladu [14]
3 years ago
9

The function in Exercise represents the rate of flow of money in dollars per year. Assume a 10-year period at 8% compounded cont

inuously and find the following: (a) the present value; (b) the accumulated amount of money flow at t=10.
f(t)=800e0.05t
Mathematics
1 answer:
allsm [11]3 years ago
4 0

Answer: f(t) = 800e^0.08*10 =

= 800(2.7183^0.08*10

=$8666.3

Step-by-step explanation:

f(t)= pe^rt where f(t) is future value,

P is present value, e is mathematical constant and it is approximately equal to 2.7183, r is rate of interest and it is equal to 8%, t is number of years and it is equal to 10. Future value is the accumulated value.

P = f(t) ÷{e^rt).

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Find the output, k, when the input, t, is -7−7minus, 7.<br> k = 10t-19k=10t−19
sleet_krkn [62]

The value of k is -89

Explanation:

The given expression is k=10t-19

We need to determine the output k, when the input t is -7

<u>Output k:</u>

The value of the output k can be determined by substituting the input t=-7 in the expression k=10t-19

Thus, we have,

k=10(-7)-19

Multiplying the terms 10 and -7, we have,

k=-70-19

Simplifying, we get,

k=-89

Thus, the value of k is -89

7 0
3 years ago
7/11 converted to a decimal rounded up 2 places
astraxan [27]

Answer:

0.636

Step-by-step explanation:

First off, we'll interpret the fraction bar to mean "divided by." This means that 7/11 is the same as 7 divided by 11.

Second, you have requested to see 2 decimal places in your answer, so we'll write the 7 as 7.00 instead (a 7 with 2 zeros after the decimal point).

Now, we'll just do what the fraction bar says: divide 7.00 by 11:

And that's about it! 7/11 written as a decimal to 3 decimal places is 0.636.

3 0
3 years ago
Read 2 more answers
Somebody tell me this ...
Sloan [31]
I think y= -9/12x + .5
4 0
3 years ago
The radius of a cylinder is 3 cm and the height is 6 cm.
Ratling [72]

Answer

Step-by-step explanation:

A=2πrh+2πr2=2·π·3·6+2·π·32≈169.646

5 0
3 years ago
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Hurry 50 points for correct answer
Ad libitum [116K]

Answer: <em>"7 is a solution to the original equation. The value –1 is an extraneous solution."</em>

Step-by-step explanation:

The equation x=\sqrt{6x+7} can be solved by squaring both sides:

x^2 = 6x + 7\\\\x^2 - 6x - 7 = 0\\\\(x-7)(x+1) = 0

We can see that -1 and 7 are solutions, but make sure they are not extraneous by substituting them in the original equation:

1 = \sqrt{-1}\\ 7 = \sqrt{49}

The square root of 49 equals 7, but the square root of -1 is an imaginary number.

The correct choice is <em>"7 is a solution to the original equation. The value –1 is an extraneous solution."</em>

4 0
3 years ago
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