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kirill [66]
3 years ago
10

ALGEBRA I /// Relations and Functions help!!! pls

Mathematics
1 answer:
Volgvan3 years ago
5 0
Place the x values (if there are two of the same x value you only include it once) in the first box vertically like:
5
-3
6
2
Place the y values (if there are two of the same y values only include it once) in the 2nd box vertically like:
1.2
7
-3
Now draw lines from your x values to their corresponding y values.
A function may NOT have two y-values assigned to the same x-value, but it may have two x-values assigned to the same y-value.
So this is a function!
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Y=4x+1 <br> Do x and y vary directly?
vladimir1956 [14]
<span>Slope = 8.000/2.000 = 4.000 
x-intercept = 1/-4 = -0.25000<span> 
y-intercept = 1/1 = 1.00000

</span></span> <span> y-(4*x+1)=0 </span>
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ILL MARK U BRAINLY IF U EXPLAIN!!
pashok25 [27]

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910 students

Step-by-step explanation:

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5 + 3x - 2 for in the simplest form
emmasim [6.3K]

Answer:

3x +3

Step-by-step explanation:

5 + 3x - 2

Combine like terms

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8 0
3 years ago
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Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n equals
Alekssandra [29.7K]

Answer:

(0.767,0.833)

Step-by-step explanation:

The 95% confidence interval for population proportion p can be computed as

p-z_{\frac{\alpha }{2} } \sqrt{\frac{pq}{n} }

The z-value associated with 95% confidence level is 1.96.

whereas p=x/n

We are given that x=440 and n=550.

p=440/550=0.8

0.8-1.96\sqrt{\frac{0.8(0.2)}{550} }

0.8-1.96\sqrt{\frac{0.16}{550} }

0.8-1.96\sqrt{0.00029 }

0.8-1.96(0.01706)

0.8-0.03343

0.76657

Thus, the required confidence interval is

0.767<P<0.833  (rounded to 3 decimal places)

Hence, we are 95% confident that our true population proportion will lie in the interval (0.767,0.833)

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3 years ago
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UkoKoshka [18]

Answer:

I would cost them $25.00 dollars

Step-by-step explanation:

This is Because if you do 2.50 x 10 = 25.00 or 25

4 0
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