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Whitepunk [10]
3 years ago
13

What is the answer for p? I keep getting 2.571428571 but that not the answer and I’ve tried to round it and still not the correc

t answer.

Mathematics
1 answer:
DENIUS [597]3 years ago
3 0

Answer:

2.15

Step-by-step explanation:

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WHAT IS THE LINE OF BEST FIT FOR THE FOLLOWING DATA (1,3) (2,0) (5,-8) (9, -25) . WRITE YOUR ANSWERS IN THE FORM OF Y= AX+ B​
dimulka [17.4K]

Answer:

3.471 + 7.2516 x

Step-by-step explanation:

Given the data:

(1,3) (2,0) (5,-8) (9, -25) .

X:

1

2

5

9

Y:

3

0

-8

-25

The line of best fit for the data given can be obtained using an online regression calculator :

The equation of best fit for the data is thus;

Best fit equation; y = -3.471 + 7.2516x

Intercept = - 3.471 ;

Slope = 7.2516

5 0
3 years ago
What is the distance between the points (−5, −9)(−5, −9) and (−5, 13)(−5, 13) ?
krok68 [10]
Distance formula : d = sqrt (x2 - x1)^2 + (y2 - y1)^2
(-5,-9)...x1 = -5, and y1 = -9
(-5,13)...x2 = -5 and y2 = 13
now we sub and solve
d = sqrt (-5 - (-5)^2 + (13 - (-9)^2
d = sqrt (-5 + 5)^2 + (13 + 9)^2
d = sqrt (0^2 + 22^2)
d = sqrt (484)
d = 22 <==
6 0
3 years ago
Michael and Minnie are gathering coats for a coat-drive at their school. Minnie gathers 3 times as many coats as Michael and tog
fredd [130]

Let the number of coats Michael has = x

As given, Minnie gathers 3 times as many coats as Michael

So, Minnie has = 3x

Total number of coats = 52

Equation becomes,

x+3x=52

4x=52

x=13

Hence, Michael contributed 13 coats.

7 0
3 years ago
What is a cubic polynomial function in standard form with zeroes 1, –2, and 2?
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Starting off with the polynomial in standard form would be extremely difficult, but we can construct one fairly easily with the zeroes we've been given.

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(x-1)(x+2)(x-2)=0

Notice that we can easily obtain each our three zeroes by dividing both sides by the two other factors. From here, we just need to expand the left-hand side of the equation. I'll show the work required here:

(x-1)(x+2)(x-2)=0\\&#10;\big[(x-1)x+(x-1)2\big](x-2)=0\\&#10;(x^2-x+2x-2)(x-2)=0\\&#10;(x^2+x-2)(x-2)=0\\&#10;(x^2+x-2)x-(x^2+x-2)2=0\\&#10;x^3+x^2-2x-(2x^2+2x-4)=0\\&#10;x^3+x^2-2x-2x^2-2x+4=0\\&#10;x^3+(x^2-2x^2)+(-2x-2x)+4=0\\&#10;x^3-x^2-4x+4=0\\

So, in standard form, our cubic polynomial would be x^3-x^2-4x+4
3 0
3 years ago
Suppose 288 electricians took a certification test that is worth 140 points. The five-number summary for the scores is shown her
Ganezh [65]
Q1 shows the position of the first 25% of the data set. Since Q1 = 110, 25% of the electricians had a score of 110 or less.
7 0
3 years ago
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