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2 years ago

Line A is represented by the following equation: X + y = 2

Mathematics

1 answer:

Verizon [17]2 years ago

4 0

Answer:

x+y=3

Step-by-step explanation:

For an equation to have no solution, their slope needs to be same and y intercept needs to be different,

so in this case where x+y=2

doing simply, x+y=3 makes a set of equation which has no solution, you can take any real value which is not 2

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A car rental agency advertised renting a car for $ 23.95 per day and $ 0.32 per mile. of david rents this car for 4 days, how m

Taya2010 [7]

325 miles total.
23.95x4 =95.8
200-95.80
=$104.20
104.20 divided by.32 is 325.6 so in total 325 miles.

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2 years ago

an airport offers two shuttles that run on different schedules.If both shuttles leave the airport at 4:00 p.m.,at what time will

otez555 [7]

What are both of their schedules? If they are completely different, then the next time they will leave together is 4:00 pm the next day

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3 years ago

According to a recent survey, the population distribution of number of years of education for self-employed individuals in a c

creativ13 [48]

Answer:

a) X: number of years of education

b) Sample mean = 13.5, Sample standard deviation = 0.4

c) Sample mean = 13.5, Sample standard deviation = 0.2

d) Decrease the sample standard deviation

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 13.5 years

Standard deviation,σ = 2.8 years

a) random variable X

X: number of years of education

Central limit theorem:

If large random samples are drawn from population with mean $\mu$ and standard deviation $\sigma$ , then the distribution of sample mean will be normally distributed with mean $\mu$ and standard deviation $\frac{\sigma}{\sqrt{n}}$

b) mean and the standard for a random sample of size 49

$\mu_{\bar{x}} = \mu = 13.5\\\\\sigma_{\bar{x}} = \dfrac{\sigma}{\sqrt{n}} = \dfrac{2.8}{\sqrt{49}} = 0.4$

c) mean and the standard for a random sample of size 196

$\mu_{\bar{x}} = \mu = 13.5\\\\\sigma_{\bar{x}} = \dfrac{\sigma}{\sqrt{n}} = \dfrac{2.8}{\sqrt{196}} = 0.2$

d) Effect of increasing n

As the sample size increases, the standard error that is the sample standard deviation decreases. Thus, quadrupling sample size will half the standard deviation.

7 0

2 years ago

18/25×475 step by step

AlexFokin [52]

This is how I would go about solving this, hope it helps.

6 0

3 years ago

I need help to find the volume

lora16 [44]

Answer:

320

Step-by-step explanation:

To find the volume of a rectangular prism, you simply need to multiply together the width, length, and height. 16*5*4=320 cubic centimeters. Hope this helps!

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3 years ago