11/15/23

Math with integers

Suppose that you randomly choose three ofthese four integers: 8, 8, 18, and 28. Isthe sum likely to be positive, negative, or 0? and why?

11/15/23

Math with integers

Suppose that you randomly choose three ofthese four integers: 8, 8, 18, and 28. Isthe sum likely to be positive, negative, or 0? and why?

11/15/23

Math with integers

Suppose that you randomly choose three ofthese four integers: 8, 8, 18, and 28. Isthe sum likely to be positive, negative, or 0? and why?

11/15/23

Calculate the Riemann Sum for the following equation

The function is f(x) = 1/x and the interval I = [1, 4]. Partition the interval using the points x0 = 1, x1 = 2, x2 = 5/2 , x3 = 7/2 , x4 = 4.Use the midpoint in each of the subintervals as a... more

11/15/23

The table below contains the values of the function.

The table below contains the values of the function y=f(x).x | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |f(x) 0 | 0.5 | 2 | 4.5 | 8 | 12.5 | 18 | 24.5 |Each function in parts (a)-(c) is a... more

11/15/23

Probability Homework

Suppose a jar contains 12 red marbles and 29 blue marbles. If you reach in the jar and pull out 2 marbles at random, find the probability that both are red.Write your answer in decimal form,... more

11/14/23

Math is complicated

Giana has started collecting sea shells. Every month she adds 4​ new shells to her collection. After 8​ months of collecting, she has 40​ shells in her collection. Using this information, create an... more

11/14/23

if a=10 then what is the answer to 2a + 3

11/14/23

Find the quadratic function

Find the quadratic function f(x)= ax^2+bx+c that goes through (2, 0) and has a local minimum at (0, -1)

11/14/23

a. Find the demand function, assuming that it is linear. b. What should the selling price be to maximize his profit?

During the summer months, Terry makes and sells necklaces on the beach. Last summer, he sold the necklaces for $10 each and his sales averaged 20 per day. When he increased his price by $1, he... more

11/14/23

Find an equation for the line parallel to 3 y + 12 x = 21 and goes through the point ( - 7 , 1 ) .

Find an equation for the line parallel to 3y+12x=21 and goes through the point (-7,1). 

11/14/23

Calculate (√3 - i)6 using DeMoivre's theorem.

Calculate (√3 - i)6 using DeMoivre's theorem. State the answer in the rectangular form of a complex number. To make it easier to grade. write your work where indicated: Write √3 - i in... more

11/14/23

Let z = 81 (cos100° + i sin100°). Find all of the 4th roots of z. Write the answers in trigonometric form

Let z = 81 (cos100° + i sin100°). Find all of the 4th roots of z. Write the answers in trigonometric form

11/13/23

Find the rate and maximum income

A car rental agency rents 220 cars per day at a rate of 29 dollars per day. For each 1 dollar increase in the daily rate, 5 fewer cars are rented. At what rate should the cars be rented to produce... more

please help me solve it by steps

One of two urns is chosen at random with one as likely to be chosen as the other. Then a ball is withdrawn from the chosen urn. Urn 1 contains 1 white and 5 red​ balls, and urn 2 has 4 white and 2... more

11/12/23

How many cubic yards?

You want to put a 4 inch thick layer of topsoil for a new 25 ft by 32 ft garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order? The store only sells in... more

11/12/23

How much will it cost?

You read online that a 15 ft by 20 ft brick patio would cost about $2,275 to have professionally installed. Estimate the cost of having a 23 by 28 ft brick patio installed. 

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