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taurus [48]
3 years ago
7

1. Write an equation of the line in slope-intercept form that passes through (4.2) and (8.–2).

Mathematics
1 answer:
12345 [234]3 years ago
4 0

Answer:

its (8+4)/(-2-2) so the slope is -3x

Step-by-step explanation:

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What is an equation of the line that passes through the points (-3, 3)
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Step-by-step explanation:

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Step-by-step explanation:

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After 5 years, a $2,450 investment is worth $3,123.75.
kondaur [170]

Answer:

5.5%

Step-by-step explanation:

To solve this problem we can use a modified version of the simple interest formula which is shown below:

r=\frac{I}{Pt}

<em>I = interest amount</em>

<em>P = principal amount</em>

<em>t = time (years)</em>

<em />

The first step is to find the interest gained from the investment.

3,123.75-2,450=673.75

Next, plug in the values into the equation:

r=\frac{673.75}{(2,450)(5)}     Multiply the bottom values

r=\frac{673.75}{12,550}         Divide the values

r=.055

The last step is to convert 0.055 into a percent:

0.055(100)=5.5

The interest rate is 5.5%

3 0
3 years ago
The charge is $12 plus $0.15 per tree. What is the greatest number of trees that can be planted if you spend no more than $70
notsponge [240]

Answer:

386

Step-by-step explanation:

If you subtract the initial fee of 12 from 70 you get 68 you just divide that by .15 meaning you can plant no more that 386 trees.

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3 years ago
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