Paul M.

Algebra 2

03/02/19

Factor polynomial completely

F(x) = x^4 - 2x^3 - 15x^2 - 4x + 20

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Statistics Probability

03/02/19

what's the probability that the students get at least 50 on the exam

A student is taking a multiple choice exam that consists of 20 questions and each question has 4 different choices. The student randomly guesses on each question. What is the probability that the... more

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Statistics Probability

03/02/19

if 100 randomly selected what's the probability that no more than 20 will refuse to respond

A telephone survey is conducted to determine the average number of pets in the typical American family. Past experience has shown that 30% of those telephoned will refuse to respond to the... more

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Algebra 1 Algebra 2 Algebra

03/02/19

Need help figuring out exponential decay. Which of the following exponential functions represent exponential decay? Select all that apply.

Which of the following exponential functions represent exponential decay? Select all that apply.a)y=(1.01)^xb)y=(0.95)^(2x)c) y=1.8(0.6)^xd) y=(0.85)^xe) y=0.25(1.5)^(3x)

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Algebra 2 Square Roots

03/02/19

If a terminating decimal is a perfect square, how about repeating decimals? Are they perfect squares or not and why?

We are learning about Square Roots and Perfect Squares, so we are also learning about how to identify or determine if rational numbers are perfect squares. (especially decimals)

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Trigonometry

03/01/19

Trigonometric word problems

The angle of elevation of the top of a fire tower from point A on the ground is 19.9 degrees. From point B, 50 feet closer to the tower, the angle of elevation is 21.8 degrees. What is the height... more

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Trigonometry

03/01/19

Solve the equation. (Find all solutions of the equation in the interval [0, 2π). Enter your answers as a comma-separated list.) 4 tan(2x) − 4 cot(x) = 0

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Intermediate Algebra

03/01/19

Determine whether the following lines are parallel, perpendicular or neither. Line one passes through (7,-2) and (5,4). Line two is the line presented by x-3y=10

I'm not sure where to start to determine how to graph these to tell how they fall.

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Probability

02/28/19

A spinner wheel with 3 color choices (red,blue and yellow) is spun and a 4 sided die is rolled. List the possible outcomes described in the situation

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Geometry

02/28/19

my question has to do with similar triangles

a person 5.5 feet tall stands in line of a shadow cast from the top of the house the shadow hits the top of the persons head and continues until the shadow ends 2.5 feet from the persons shoes. the... more

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College Algebra

02/28/19

Need help with College algebra question

A ball is thrown directly upward from a height of 5ft with an initial velocity of 20ft/sec. The function s(t)= -162 + 20t + 5 gives the height of the ball, in feet, t seconds after it has been... more

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Word Problem Involving Permutations

02/28/19

Word problem involving permutations

In a dog show, there will be a gold and a silver medal awarded. There are 5 finalists. In how many different ways can the 2 medals be awarded

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Math

02/28/19

You spin a spinner with 6 choices find the probability of spinning a 3 then a 4

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Math

02/28/19

Women make up 5% of all film directors there are 122,500 film directors working. How many woman are directing films

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Math

02/28/19

Yesterday There were 80 problems assigned for math homework. Harry did 20% of them correctly How many problems did harry get right

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Baseball

02/28/19

If a baseball player gets paid $330 million for the next 13 years, how much does he get paid per game

162 games in one season

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College Math

02/28/19

Solve word problem

Distance= rate•time formula A rowing team rowing with the current traveled 18mi in 2hr. Against the current, the team rowed a distance of 8mi in the same amount of time. Find the rate of the rowing... more

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Quadratic Equation

02/28/19