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Pepsi [2]
3 years ago
5

Find the slope of each line

Mathematics
1 answer:
dimaraw [331]3 years ago
4 0

Answer:

The slope of the blue line is undefined

Step-by-step explanation:

This is because a vertical line cannot have a numerical value for it's slope. Also, there is no y-intercept

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A polymer is manufactured in a batch chemical process. Viscosity measurements show that it is approximately normally distributed
PilotLPTM [1.2K]

Answer: (751.05, 766.95)

Step-by-step explanation:

We know that the confidence interval for population mean is given by :-

\overline{x}\pm z*\dfrac{\sigma}{\sqrt{n}},

where \sigma =population standard deviation.

\overline{x}= sample mean

n= sample size

z* = Two-tailed critical z-value.

Given :  \sigma= 20

n= 42

\overline{x}=759

We know that from z-table , the two-tailed critical value for 99% confidence interval : z* =2.576

Now, the 99% confidence interval around the true population mean viscosity :-

759\pm (2.5760)\dfrac{20}{\sqrt{42}}\\\\=759\pm (2.5760)(3.086067)\\\\=759\pm7.9497=(759-7.9497,\ 759+7.9497)\]\\=(751.0503,\ 766.9497)\approx(751.05,\ 766.95)

∴ A 99% confidence interval around the true population mean viscosity : (751.05, 766.95)

3 0
3 years ago
grades are due tomorrow morning and ive been struggling really bad. this is the app that has been helping me pass. i’ll give bra
ankoles [38]

Answer:

answer is a

Step-by-step explanation:

8 0
3 years ago
Ravi buys candy that costs $4 per pound. He will buy at most 10 pounds of candy what are the possible amounts he will spend on c
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Answer:

$40

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
3+ (8) + 4<br> How to solve
saw5 [17]

Answer:

15

Step-by-step explanation:

Solve using the left-> right rule. Note that they all have addition signs and that they are all positive numbers:

3 + (8) + 4 = 3 + 8 + 4 = (3 + 8) + 4 =  (11) + 4 = 15

15 is your answer.

~

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3 years ago
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A particle moves along the x-axis so that at any time t≥0 its velocity is given by v(t)= t^2In(t+2). What is the acceleration of
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Acceleration is the change of velocity per unit change of time. In this case, given the velocity equation, we can get the acceleration of the particle by taking the first derivative of the equation. v'(t)= t^2 (1/t+2) + 2t In(t+2). substituting t= 6, acceleration is equal to 29.45 m/s2.
3 0
3 years ago
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