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3 years ago

Can someone please help me

Mathematics

1 answer:

jenyasd209 [6]3 years ago

3 0

DONT CLICK THE LINK BAE ITS A VIRUS

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How do I solve this problem?

Anvisha [2.4K]

Answer:

y+11=- $\frac{1}{4}$ (x-4)

Step-by-step explanation:

since the equation is perpendicular to y=4x-2, m=-1/4 (negative reciprocal). (x_1,y_1)=(4,-11), plug all the values into the equation y- y_1 = m(x-x_1) and we get y+11=- $\frac{1}{4}$ (x-4)

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3 years ago

Use technology and the given confidence level and sample data to find the confidence interval for the population mean mu. Assume

Sphinxa [80]

Answer: (1.55, 6.45)

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\overline\ {x}\pm\ z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Significance level : $\alpha: 1-0.99=0.01$

Critical value : $z_{\alpha/2}=2.576$

Sample size : n=41

Sample mean : $\overline{x}=4.0\text{ kg}$

Standard deviation : $\sigma=6.1\text{ kg}$

Then, 99% confidence interval for population mean will be :_

$4\pm\ (2.576)\dfrac{6.1}{\sqrt{41}}\\\\\approx4\pm2.45\\\\=(4-2.45, 4+2.45)=(1.55, 6.45)$

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3 years ago

Log2cos(x)<br><br> How do I find the derivative of the following question

I am Lyosha [343]

You can put it in a TI84 calculator and find the answer.

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3 years ago

I WILL REWARD BRAINLIEST

Step2247 [10]

Answer:

What is the total number of students who brought water bottles to lunch?

Step-by-step explanation:

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3 years ago

Read 2 more answers

Shannon saves 1235 in november. In november, she saved $250 less than she did in december. How much money did she save in the tw

madam [21]

In December she would have saved $1585 because 1235 + 250 = 1485. You can find how much money she raised in those 2 months by adding the totals of both months together, so 1485 + 1235 = 2720. She saved $2720 in the 2 months.

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3 years ago