3 years ago

Somebody please help algebra nation doesn’t help

1 answer:

3 0

What the question is really asking for is the x-intercept (the point at which the graph crosses the x-axis), which, according to the graph, is 6.

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What is the domain of

Vsevolod [243]

The domain of what??

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3 years ago

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Find the 17th term of the arithmetic sequence -5, 1, 7, 13, ... *

xz_007 [3.2K]

Answer:

Step-by-step explanation:-5, 1, 7, 13

the common diference is : d = ( 13)-(7)=(7)-(1)=(1)-(-5)=6

the firt term is A1 = -5

the n-ieme term is : An = A1 +(n-1)d

An = -5+6(n-1)

An = 6n-11

the 17th term in the arithmetic sequence is : A17 = 6(17)-11 =91

Read more on Brainly.com - brainly.com/question/15374982#readmore

7 0

3 years ago

The number of DVDs in a random person’s home collection is counted for a sample population of 80 people. The mean of the sample

VLD [36.1K]

Answer:

$E = 3.46\ movies$

Step-by-step explanation:

The formula to find the error is:

$E = z_{\frac{\alpha}{2}}\frac{\sigma}{\sqrt{n}}$

Where:

$\sigma$ is the standard deviation

n is the sample size

n = 80 people

$\sigma$ = 12 movies

Then

$1- \alpha$ = confidence level = 0.99

$\alpha= 1-0.99$

$\alpha = 0.01\\\\\frac{\alpha}{2} = 0.005$

We look for the Z value: $Z_{0.005}$

$Z_{0.005}=2.58$ Looking in the normal standard tables

Therefore:

$E =2.58*\frac{12}{\sqrt{80}}\\\\E = 3.46\ movies$

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3 years ago

Sydney is purchasing new windows for her home, which have been quoted for

Verizon [17]

Answer: She's spending less so she should buy it becasue it's less than her overall.

Step-by-step explanation:

$18,000

Rate is 7.5

years 5

Intrest= 18000x7.5x5/100=

180x7.5x5/1=$6750

Selling price= $18000+$6750=$24750

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2 years ago

If the volume of a cube is 12,167 cubic inches, what is the length of a side of the square?

goldfiish [28.3K]

V = l³

l = ∛V

l = ∛12.167

l = 2.3 inches

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3 years ago