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3 years ago

Find the slope and y-intercept. Help a girl out I’ll give you ten points.

Mathematics

2 answers:

JulsSmile [24]3 years ago

6 0

(4,4)..........................ik this is wrong

seropon [69]3 years ago

6 0

The y intercept is 4 because it’s going threw 4

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Jessica wrote the numbers 4 1/5,3 1/3, 5 1/2 in the form of a fraction.Whats the greatest numerator that Jessica wrote?

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The correct answer is 5 1/2 because if it weren’t simplified it would be 6/2 which makes the numerator the greatest.

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4 years ago

Last month, Lana sold 35 necklaces a week at $15 each. However, throughout the month, 6 customers returned their necklaces for a

Lubov Fominskaja [6]

Hate sld shallow sheidbdv

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3 years ago

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PLEASE HELP ME!! I WILL GIVE YOU BRAINLIEST

jekas [21]

Answer:

Use $a^{2} +b^{2} = c^{2}$

3. 13.9 km

4. 40 in

Step-by-step explanation:

Use Pythagorean theorem to solve side lengths!

3. $7^{2} +12^{2} = 193$

$\sqrt{193} = 13.89244399$

4. $24^{2} +32^{2} = 1600$

$\sqrt{1600} = 40$

Hope this helps! :0)

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3 years ago

Let x be a random variable representing percentage change in neighborhood population in the past few years, and let y be a rando

Lisa [10]

Answer:

$m=\frac{2506.833}{604.833}=4.1447$

Nowe we can find the means for x and y like this:

$\bar x= \frac{\sum x_i}{n}=\frac{77}{6}=12.833$

$\bar y= \frac{\sum y_i}{n}=\frac{587}{6}=97.833$

And we can find the intercept using this:

$b=\bar y -m \bar x=97.833-(4.1447*12.833)=44.644$

So the line would be given by:

$y=4.1447 x +44.644$

Step-by-step explanation:

$m=\frac{S_{xy}}{S_{xx}}$

Σx = 77, Σy = 587, Σx2 = 1593, Σy2 = 70,533, and Σxy = 10040.

Where:

$S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}$

$S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}$

With these we can find the sums:

$S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}=1593-\frac{77^2}{6}=604.833$

$S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i){n}}=10040-\frac{77*587}{6}=2506.833$

And the slope would be:

$m=\frac{2506.833}{604.833}=4.1447$

Nowe we can find the means for x and y like this:

$\bar x= \frac{\sum x_i}{n}=\frac{77}{6}=12.833$

$\bar y= \frac{\sum y_i}{n}=\frac{587}{6}=97.833$

And we can find the intercept using this:

$b=\bar y -m \bar x=97.833-(4.1447*12.833)=44.644$

So the line would be given by:

$y=4.1447 x +44.644$

5 0

3 years ago

Didnt mean to post this question. i barely know what im doing

docker41 [41]

Answer:

It’s ok My main man

Step-by-step explanation:

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3 years ago

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