# algebra 1

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#### algebra 1 info

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• (Semester Exam Unit 1!)

The sides of an equilateral triangle measure (2x + 4) units. What is the perimeter?

• (Semester Exam Unit 1!)

The sides of an equilateral triangle measure (2x + 4) units. What is the perimeter?

• A(b-2)/C-3=x,solve for b

• what kind of shoes does a frog wear?

• i need help

Use set builder notation to represent the following set. {... -3, -2, -1, 0}

• electrical qustion

A full-wave power supply with a capacitor-input filter is connected to a 400 Hz AC source. The frequency of the ripple waveform at the input to the filter is

• A concert profit

A concert promoter charges \$65 per ticket for a concert. The promoter's cost will be \$5500 plus \$4 per ticket. If R = revenue and n = number of tickets sold, then R(n) shows how revenue (amount of money received from ticket sales) depends on the number of tickets sold. R(n) = 65n If C = cost and n = number of tickets sold, then C(n) shows how cost (expenses of the concert promoter) depends on the number of tickets sold. C(n) = 4n + 5500   Find the profit for the concert promoter if he sells 850 tickets. Show your work and explain your solution.

• Would you expect a positive correlation, a negative correlation, or no correlation between number of miles a car drives and the amount of gas in the gas tank?

I believe the answer is negative...... Would you expect a positive correlation, a negative correlation, or no correlation between number of miles a car drives and the amount of gas in the gas tank?   Positive Correlation Negative Correlation No Correlation

• solve the problem

-2-8(-7)+6

• Why didfarmer jones keep the chickens away from the other animals

• Maths question Algebra

3.​The management of Hartman Rent-A-Car has allocated \$1.5 million to buy a ​new fleet of automobiles consisting of compact, intermediate and full-size cars. ​Compacts cost \$12,000 each, intermediate-size cars cost \$18,000 each, and full- ​size cars cost \$24,000 each.  If Hartman purchases twice as many compacts as ​intermediate-size cars and the total number of cars to be purchased is 100, ​determine how many cars of each type will be purchased.  (Assume the entire ​budget will be used.

• rational functions

so far I have y=3x/x+4 but can't figure out the shrinking graph vertically by 5

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• If the range of the function f(x) = 4 − 4x is {-20, -16, -8, 0, 4}, what is its domain?

If the range of the function f(x) = 4 − 4x is {-20, -16, -8, 0, 4}, what is its domain?  A{0, 1, 2, 4, 6} B{2, 3, 5, 6, 7} C{1, 3, 5, 7, 9} D{0, 1, 3, 5, 6}

• Use set builder notation to represent the following set. {... -3, -2, -1, 0}

Use set builder notation to represent the following set. {... -3, -2, -1, 0} {x | x Z, x ≤ 0} {x | x N, x ≤ 0} {x | x R, x ≤ 0}

• considered the sampling distribution of a sample mean obtained by an infinite population

Considered the sampling distribution of a sample mean obtained by random sampling from an infinite population. This population has a distribution that is highly skewed toward the larger values. a) How is the mean of the sampling distribution related to the mean of the population? b) How is the stand... ard deviation of the sampling distribution related to the standard deviation of the population? c) How is the shape if the sampling distribution affected by the sample size? *please explain the analyses to the answer of each question*The mean of the sampling distribution of the mean is always equal to the population mean. The standard deviation of the sampling distribution of the mean is called the standard error of the mean and represents the average deviation of the sample means from the population mean. The shape of the sampling distribution approaches a normal distribution as sample size increases.