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3 years ago

Hello, im not sure where my teacher got 180 out of this scatter plot

Mathematics

2 answers:

Elan Coil [88]3 years ago

8 0

Hello,

I have make a linear regression on the file joined.
I hope that will help you (you must understand Excel formula)
180 is y intercept of the line

Download xls

kakasveta [241]3 years ago

5 0

24+56=80 on the first column of the chart

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3 years ago

z 5 − z+2 2z+4 =−3 space, startfraction, 5, divided by, z, end fraction, minus, start fraction, 2, z, plus, 4, divided by, z

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Answer:

The sum of all the possible values for z that satisfy the above equation is -5.

Step-by-step explanation:

The given equation is

$\frac{5}{z}-\frac{2z+4}{z+2}=-3$

We need to find the sum of all the possible values for z that satisfy the above equation.

The given equation can be rewritten as

$\frac{5}{z}-\frac{2(z+2)}{z+2}=-3$

Cancel out common factors.

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Add 2 on both sides.

$\frac{5}{z}-2+2=-3+2$

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Multiply both sides by -1.

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3 years ago

Divide the following polynomial using synthetic division, then place the answer in the proper location on the grid. Write answer

Alenkinab [10]

Answer:

The quotient is $x^2-3x+1$

Step-by-step explanation:

The given polynomial division is $(x^3-4x^2+4x-1)\div (x-1)$

To perform the synthetic division we write out the coefficients and arrange them as shown.

1 -4 4 -1

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3 years ago

Read 2 more answers

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telo118 [61]

Answer:

She read 15 fiction books

Step-by-step explanation:

Multiply 10 x 3 = 30

so she reads 30 non fiction books and she reads half as many fiction books as she reads nonfiction.

Divide 30/2=15

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3 years ago