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katrin [286]
3 years ago
11

HELP ASAP PLEASE

Mathematics
2 answers:
andreyandreev [35.5K]3 years ago
7 0

The equation you would use to solve would be

300=75+3x

x= the amount of movies he watches

meaning x= 75

300=75+3x

225=3x

x=75

he can rent up to 75 movies

Eva8 [605]3 years ago
3 0

Answer:

300 is greater than 3x + 75

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GREYUIT [131]
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<h2>6.</h2>

Now with line 2, I have to convert it to slope intercept form. Firstly, subtract 2x on both sides of the equation: -5y=-2x+8

Next, divide both sides by -5 and your slope-intercept form is y=\frac{2}{5}x+\frac{8}{5}

Now since 2/5 is <em>not</em> the negative reciprocal of -2/5, <u>these lines are not perpendicular.</u>

<h2>7.</h2>

It's pretty much the same process; convert to slope-intercept and determine if negative reciprocal. This time I'll brush through them:

6x-3y=15 \\-3y=-6x+15\\y=2x-5\\\\2x+4y=-12\\4y=-2x-12\\y=-\frac{1}{2}x-3

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5 0
3 years ago
Your expenses exceed your income. You should cut back your
Lostsunrise [7]
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Calculate the variance and the standard deviation of the data below 23. 19, 22, 30, 28
Alina [70]

To get the variance, start with finding the mean of your data points:

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19 - 24.4 = -5.4 * -5.4 = 29.16

22 - 24.4 = -2.4 * -2.4 = 5.76

30 - 24.4 = 5.6 * 5.6 = 31.36

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Now get the average of those new numbers. That is your variance:

(1.96 + 29.16 + 5.76 + 31.36 + 12.96) / 5 = 16.24

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7 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST!
jeka57 [31]

Answer: (1,6)

Step-by-step explanation:

2(1) + (6) = 8

2 + 6 = 8

8=8

TRUE

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6 0
3 years ago
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kogti [31]
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