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Anna35 [415]
3 years ago
13

x = Temperature (°C) 1100 1200 1300 1100 1500 1200 1300 y = Porosity (%) 30.8 19.2 6 13.5 11.4 7.7 3.6 (a) Fit the simple linear

regression model using the method of least squares. Find the least squares estimates of the intercept and slope in the simple linear regression model.

Mathematics
1 answer:
arlik [135]3 years ago
7 0

Answer:

  • intercept: 55.6256
  • slope: -0.0341585

Step-by-step explanation:

This sort of problem is best worked by a tool such as a graphing calculator or spreadsheet.

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Please answer these two questions for me
EleoNora [17]

Answer:

The teeing area is the place where you throw every shot. The hole is finished when the disc is sucessfully thrown into the basket.

Step-by-step explanation:

4 0
3 years ago
Find the remainder when f(x) = 2x3 – 12x2 + 11x + 2 is divided by x – 5.
Oksana_A [137]

When dividing polynomial f(x) by linear polynomial x-a, the remainder is equal to f(a).

In your case a=5. Find f(a)=f(5):

f(5) = 2\cdot 5^3 - 12\cdot 5^2 + 11\cdot 5 + 2=2\cdot 125-12\cdot 25+55+2=250-300+55+2=7.

Answer: correct choice is C.

3 0
3 years ago
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Tell me the answer asap
Ivanshal [37]
1. 4 17/24
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3 0
3 years ago
Hi i have no idea does anyone have an idea ? please
ivann1987 [24]

Answer:

y = 2(x+5)²- 60

Step-by-step explanation:

f(x) = ax² +bx +c,  is the standard form

f(x) = a(x - h)² +k , is the vertex form where the (h, k) is the vertex

y = 2x²+20x -10 ,

factor 2 from the two terms

y = 2(x² +10x) -10,

what perfect square has x² +10x? ... x²+10x +25 = (x+5)²

y = 2(x²+10x+25 )- 50 -10,

add 25 in parenthesis to get a perfect square yet subtract 2*25 = 50 so the equation will stay the same

y = 2(x+5)²- 60,

the equation has the vertex at (-5, -60)

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2 years ago
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