06/15/20

Leanne has a gas card that has $150 on it. She spends $25 a week on gas. What is the recursive rule that represents the amount of money she has on her gas card after the first week.
A. f(n) = f(n-2)-25, given f(1) = 150B. f(n) = f(n-1)-150, given f(1) = 25C. f(n) = 6f(n-1)-25, given f(1) = 25D. f(n) = f(n-1)-25, given f(1) = 150
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06/15/20

Is the sequence below arithmetic?
{1, 8, 27, 64}A. TrueB. False
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06/15/20

What is the expected number of dinner meals eaten at home per week?
A family has the opportunity to eat 7 dinner meals at home per week. The following chart shows the number of dinner meals eaten at home per week, x, and the associated probability P(x) for each... more
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06/15/20

sketch the graph of the polar equation

Sketch the graph of the polar equation r = 2 cos θ. (Hint: convert to Cartesian coordinates, then use complete the square to put the equation into a recognizable “standard form").
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06/15/20

Suppose you play a game in which you roll one die, and the payoff is the number of dots showing. What is the variance of this game?
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06/10/20

Please help me with this intergral question I am really confused
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06/10/20

Pre calculus homework!
(a) if f(3)= 14, find f-1(14).f-1(14)= ?(b) if f-1(12)=6, find f(6)f(6)=??
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06/10/20

Summer school quiz

The sum of three consecutive integers is -96. What is the largest integer?The sum of three consecutive integers is -204. What is the largest integer?The sum of three consecutive integers is 183.... more
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06/10/20

Geometry- What is center-point?

This is the question: Given PQ with P(–2, 2) and Q(4, 4) is rotated 90 degrees counterclockwise with a center of rotation at A(2, –1), graph and list the coordinates of P'Q' .What are the new... more
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06/10/20

Solve and identify any extraneous solutions?
Solve and identify any extraneous solutions x=√x+7+5
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06/10/20

What is the probability
What is the probabilityA copy center has two copyphotos. The likelihood that the machines will require service for a random week is, after long experience, estimated P(A) = 0.040 for one and P(B) =... more
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06/10/20

What is the probability
A copy center has two copyphotos. The likelihood that the machines will require service for a random week is, after long experience, estimated P(A) = 0.040 for one and P(B) = 0.025 for the other... more
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06/10/20

Is there an example of a function with a critical point but no local minimum or maximum?
Also, why would given example be sufficient?
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06/10/20

If the coordinates of A are (3,4) and the coordinates of B are (1,1) what is the length of AB?
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06/08/20

Probabilities of draws without replacement

A history class is compromised of 4 female and 7 male students. If the instructor of the class randomly chooses 6 students from the class for an overall exam, what is the probability that 2 female... more
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06/08/20

please urgent help needed!!!!

1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages. Make a two-­way table... more
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06/08/20

Probability and Statistics questions, type of samplings!!
our friend conducted a study on the number of calories in bottles of sports drinks. He went to his kitchen and recorded the calories of the sports drinks in the refrigerator. What kind of sampling... more
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06/03/20

Find all angles θ between 0° and 180° satisfying the given equation. Round your answer to one decimal place. (Enter your answers as a comma-separated list.) cos(θ) = − 3/7
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06/03/20

A bag contains 6 red marbles and 4 bhre rnarbles. Find the probability of drarving ir red marble, keeping it, and drarving another red marble. Write the probability as a fraction in simplest form.
The events are dependentP(red and red) =
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06/03/20

Probability of independent event
There is a stack of 10 cards he’s giving a different number from 1 to 10. Suppose we select a car randomly from the stat replace it and then randomly select another card. What is the probability... more
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06/03/20

hypothesis testing
Because of high production change-over time and costs, a director of manufacturing must convince management that a proposed manufacturing method reduces costs before the new method can be... more
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06/03/20

Geometry Homework

A bag contains 10 red pens, 15 blue pens, and 20 black pens. Joseph will pull a pen from the bag. When Joseph pulls a pen from the bag, how many outcomes are possible?a. 45b. 10c. 15d. 20
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06/01/20

Help with this question!
What is an example of a polynomial you could add to h(x) to generate a polynomial with a degree of 5?h(x) = -3x^6 + 2x^4 - 3x^2
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06/01/20

Adding/ Subtracting Polynomials

Use the following polynomials to determine the sum or difference:f(x) = 3x^2 g(x) = 5x^4 - 2x^3 h(x) = -3x^6 + 2x^4 - 3x^21) f(x) + g(x): 2) g(x) + h(x): 3) h(x) - g(x):
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06/01/20

Little help please
On April 1st there were 5984 Covid 19 cases recorded in WA state. And on April 30th there we 14637 cases.Let April 1st 2020 be represented by t=0 and thus April 30th which is 29 days later, is... more
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