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AnnZ [28]
2 years ago
5

I need help with this question

Mathematics
1 answer:
Pepsi [2]2 years ago
4 0

We can isolate y in the linear equation to get:

y = 4x - 8

<h3>How to isolate the variable?</h3>

Here we have the linear equation:

8x - 2y = 16

Now, remember that we can perform the same operation in both sides of the equation, and the equation don't changes.

To isolate y, we can start by subtracting 8x in both sides, so we get:

-2y = 16 - 8x

Now we should divide both sides by -2:

y = (16 - 8x)/(-2) = -8 + 4x

y = 4x - 8

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

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Yuliya22 [10]

The table is missing in the question. The table is attached below.

Solution :

Let X = appraised value

    Y = area (square feet)

The regression line is given by :

$\hat y = b_0+b_1X$

$b_1=\frac{n\sum XY-\sum X \sum Y}{n \sum X^2-(\sum X)^2}$

   $=\frac{15(5964990)-(2157)(33370)}{15(404799)-(2157)^2}$

  $=12.3267$

$b_0=\frac{\sum Y}{n}-b_1\frac{\sum X}{n}$

   $=\frac{33370}{15}-\left(12.3267 \times \frac{2157}{15}\right)$

  $b_0=452.0841$

The regression line is :

$\hat Y = 452.0841+12.3267 X$

To estimate the error variance, we have:

Error variance, $\sigma =\sqrt{\frac{\sum (Y-\hat Y)^2}n-2{}}$

                           $=\sqrt{\frac{587682.3}{15-2}}$

                            $=212.6178$

8 0
3 years ago
Which expression makes the equation true? X^8 = ( )^2
notka56 [123]
X^8 = ()^2

x^8 = (x^4)^2

x^8 = x^8

inside the parethesis is x^4

hope this helps
3 0
4 years ago
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r-ruslan [8.4K]

Answer:

x=215.63 ft

Step-by-step explanation:

sin(53)=x/270

x=270sin(53)

x=215.63 ft

5 0
3 years ago
Your company spends 15%of their budget on rent each year. Their operating budget was 45,000 how much was spent
amm1812
You take 45,000 divided by .15= 30,000

30,000 it your answer

Hope this helps
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Answer:

The second type of angle measures half the sum of the arcs it intercepts

How?

Its the first sentence in the lesson on the first section.

If you need anymore help lmk!

6 0
3 years ago
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