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luda_lava [24]
3 years ago
15

7k÷3=21. What is the value of k?

Mathematics
2 answers:
andrew11 [14]3 years ago
7 0
<span>7k÷3=21

Explanation: 
You have to multiply 3 by 21

so you have </span><span>7k=63
</span><span>
k = 9</span>
viva [34]3 years ago
5 0
7k/3 = 21
x 3       x3
7k = 63
/7      /7
k = 9
(7(9)/3 = 21    =    63/3 = 21    =    21 = 21)
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Using the simple interest formula I = PRT, calculate the interest that would be earned.
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What is 5 2/3 + 6 1/8
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Step-by-step explanation:

7 0
3 years ago
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Use the compound interest formulas A=P1+
Bingel [31]

The accumulated value of an investment if the money is a. compounded​ semiannually; b. compounded​ quarterly; c. compounded​ monthly; d. compounded continuously is $30731.4 $ , $30785.98  $30823.14 , 30841.95

<h3>What is Interest ?</h3>

Interest is the amount received by a person as a result of investing certain amount of money for a certain period of time.

It is given that

Principal = $ 25000

Time = 3 years

Interest Rate = 7 %

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n = 2

Compounded Quarterly

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Compounded Monthly

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Compounded Continuously

P = P₀ \rm e ^{rt}

Therefore the accumulated value for

compounded Semiannually is

\rm A = 25000( 1+ \dfrac{7}{200}) ^{2*3}

A = $30731.4

Compounded Quarterly

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Compounded Monthly

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A = $30823.14

Compounded Continuously

\rm P = 25000 e ^{ 7 * 3 }

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Therefore the accumulated value of an investment if the money is

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$30731.4 $ , $30785.98  $30823.14 , 30841.95

To know more about Interest

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5 0
2 years ago
Please help me on this question​
Feliz [49]

Answer:

3x + 4y = - 20

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - \frac{3}{4} , thus

y = - \frac{3}{4} x + c ← is the partial equation

To find c substitute (- 8,  1) into the partial equation

1 = 6 + c ⇒ c = 1 - 6 = - 5

y = - \frac{3}{4} x - 5 ← in slope- intercept form

Multiply through by 4 to clear the fraction

4y = - 3x - 20 ( add 3x to both sides )

3x + 4y = - 20 ← in standard form

7 0
3 years ago
Your firm has net income of $329 on total sales of $1,340. Costs are $740 and depreciation is $130. The tax rate is 30 percent.
seropon [69]

Answer:

Net operating cash flow= $459

Step-by-step explanation:

Giving the following information:

Your firm has net income of $329 on total sales of $1,340. Costs are $740 and depreciation is $130. The tax rate is 30 percent. T

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Depreciation= 130

Net operating cash flow= $459

6 0
3 years ago
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