12/17/20

find the probability

A) Find the probability that Michael receives exactly four presents.B) Find the probability that Michael receives at least two presents.C) Find the probability that Michael receives two presents... more

12/17/20

probabilities of drawers with replacement

An urn contains 5 pink and 9 green balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is... more

Could someone show me how to solve this.

A line passes through the point (8,−9) and has a slope of −5/2.Write an equation in slope-intercept form for this line.

12/15/20

Given the following functions, perform the specified operation:

Given functions:f(x)=4xg(x)= -3x+5h(x)=x-12f(h(10))=

12/14/20

find f(g(3)) when given:

f(x)= -2x2g(x)=8x-17

12/14/20

Find (f ∘ g)(x) when f(x) = x/x-1 and g(x) = -3/x

(f ∘ g)(x) = (f ∘ g)(x) = (f ∘ g)(x) = (f ∘ g)(x) = (f ∘ g)(x) = 

12/13/20

composite functions:

find:(f/g)(4)when given:f(x)=7x2+8g(x)=-2x+13

12/13/20

Find the cost of each item.

a store sells​ tents, sleeping​ bags, and camp stools. A customer buys a​ tent, 4 sleeping​ bags, and 3 camp stools for ​$281. The price of the tent is 6 times the cost of a camp stool. The cost of... more

12/12/20

Statistics question needed

The following output from a standard regression program is used in this question.The regression equation is Y = 0.78 + 1.03 X Predictor Coef SE... more

intro to statistics

At a certain school, approximately 65% of statistics students do their homework in time for it to be collected and graded. Assume that each student does homework independently. (a) In a class of... more

Consider the experiment of spinning the spinner once. Find the probability that the spinner lands on blue.

A circular spinner is divided into 16 sectors of equal​ area: 5 red​ sectors, 5 ​blue, 4 ​yellow, and 2 green. Consider the experiment of spinning the spinner once. Find the probability that the... more

A survey of 1200 people in a certain city indicates that 830 own microwave​ ovens, 720 own DVD​ players, and 570 own microwave ovens and DVD players.

A survey of 1200 people in a certain city indicates that 830 own microwave​ ovens, 720 own DVD​ players, and 570 own microwave ovens and DVD players.​(A) How many people in the survey own either a... more

How do you write a polynomial function of least degree with integral coefficients that has the given zeros?

I'm stumped on a homework problem:Write a polynomial function of least degree with integral coefficients that has the given zeros3 + 2i, 3i

12/09/20

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=−t2+18t −31, where 1≤t≤12.

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=−t2+18t −31, where 1≤t≤12.Write the function in vertex form.Find the maximum temperature during the year.

12/07/20

If you use 45 grams of hydrogen, how many moles of ammonia can you make?

Use the equation : N2 (g) + 3 H2 (g) → 2 NH3 (g)

12/07/20

:O can you help

A scatter plot of data showing the percentage of total Internet users who visited an online store on a given day inDecember includes the points (2008, 2.0) and (2010, 4.5). Write the... more

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