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312 Answered Questions for the topic College Math

College Math Math Calculus

01/28/20

Let f(x) = (e^x - 1)/x. Approximate lim x-->0 f(x)

College Math Precalculus Word Problem

12/09/19

Precalculus word problem

An arch going into an alley is in the shape of a downward opening parabola. The base of the arch is 10 ft. wide, and the arch is 15 ft. high at its center. How wide is the arch 10 ft. up?
College Math Math Taxes

11/03/19

What will Joyce pay at the end of the quarter to her employees?

Joyce Meadows pays her 3 employees $625, $475, and $900 each per week. Calculate what Joyce will pay at the end of the first quarter for (A) state unemployment tax and (B) federal unemployment tax.... more
College Math Math Linear Algebra

11/01/19

Please Help: Linear Algebra Question (linear transformations)

 If T is a linear transformation such thatT([3, 2])=[21, 5, -2] and T([4, -1])=[28, -8, 1]Then the matrix A that induces T is:*I'm confused on how to even approach this problem*Thank you
College Math Math Probability

10/28/19

Help Me Pleaseeeeeee

How many even 4-digit numbers can be formed from the digits 4, 5, 6, 7, and 9 with no repetitions allowed? (Hint: Try filling the units place first.) A red six-sided die and a green six-sided... more
College Math Math Precalculus

10/09/19

Precalculus word problem

A rectangular piece of cardboard measuring 12 inches by 18 inches is to be made into a box w/ an open top by cutting equal-sized squares from each corner and folding up the sides. Let x represent... more
College Math Math Precalculus

10/09/19

Given some zeros of a polynomial function find all zeros of the function

P(x) = 2x^4 - x^3 - 27x^2 + 16x - 80, with zeros: 4, -4
College Math Math Algebra

10/06/19

For all real numbers w and z, such that the product of w and 7 is z, which of the following expressions can represent the sum of w and 7 in terms of z?

For all real numbers  and , such that the product of  and  is , which of the following expressions can represent the sum of  and  in terms of ?
College Math Math Algebra

09/22/19

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions.

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing​ utility, use it to graph the function and verify the real zeros and the... more
College Math Calculus

08/30/19

sum and product which both equal to 26

Find a pair of numbers whose sum and product are both equal to 26(Use symbolic notation and fractions where needed. Give your answer in the form of a comma separated list.)
College Math

08/27/19

{ x | x € N and x ≤ 17,000,000}

Determine whether the set is finite or infinite
College Math

08/27/19

{ x | x € N and x ≥ 900}

Determine whether the set is finite or infinite
College Math

08/23/19

Find what’s needed for 80 average

Final exam which will count as 2 test, Amelia has test scores of 75, 84, 72, 59, and 96. What score does she need on final to have an average score of 80?
College Math Algebra 2

06/10/19

odd integers in college algebra

The sum of two consecutive odd integers is -160. Find the two integers
College Math Algebra 2 Statistics

05/08/19

Question 20 Math Need Help

in January, each of 70 people purchased a $500 washing machine in February 10% fewer customers purchases the same washing machine that had increased in price by 20% what was the change in sales... more
College Math Math Algebra 2

05/08/19

Question 29 Math Question need help with

if the cost to mail a letter is 49 cents for mail weighing up to one ounce and 27 cents for each additional ounce or a fraction of an ounce, find the cost of mailing a letter that weighs 88 grams.
College Math Math Statistics

05/08/19

Question 32 Math Question need Help please

A rectangular kitchen floor measures 20 feet by 17 feet. a stove on the floor has a rectangular base measuring 3 feet by 4 feet, and a refrigerator covers a rectangular area of the floor measuring... more
College Math Math Algebra 1

05/06/19

Math Question I Need Help with TODAY 5.6 Question 6!!

The accompanying data represent the percentages of teenagers in various countries that have used certain drugs. Complete parts​ (a) through​ (c) below. Country A B C D E F G H I J K Drug​ 1,... more
College Math Math Statistics

05/06/19

Math Help Stats, NEED TODAY PLEASE 5.6 !! Question 12

The placement test for a college has scores that are normally distributed with a mean of 450 and a standard deviation of 100. If the college accepts only the top 7% of​ examinees, what is the... more
College Math Algebra 2

05/04/19

Math help I know the formula but can’’t figure out how to put it in the calculator this is honestly like a foreign language to me

the initial population of a town is 3,200 and it grows with a doubling time of 10 years what will the population be in 8 years
College Math Math Algebra 1

04/26/19

simple question math q4

this is an easy question just want to make sure i am doing it correctly please help 15! / 10!
College Math Math Algebra 1

04/26/19

math help please q13

there are 8 performers who will present their comedy acts this weekend at a comedy club one of the performers insists on being the last stand up comic of the evening if the performer's request is... more
College Math Math Algebra 1

04/26/19

math assistance needed q17

for a segment of a radio show a disc jockey can play 10 records. if there are 15 record to select from in how many ways can the program for this segment be arranged?
College Math Math Algebra 1

04/26/19

QUESTION 18 MATH NEED ASSISTANCE ASAP PLEASE

a box contains 14 trasistors, 3 of which are defective, if 3 are selected at random, find the probability of the statments below. a. all are defective b. none are defective Question 1. The... more
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