subject

Mathematics, 03.11.2020 17:00 whiteshawn0250

An absentminded professor does not remember which of his 12 keys will open his office door. Suppose he tries them at random and with replacement. Find the probability that he opens his office door after three tries

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 17:00

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Answers: 2

question

Mathematics, 21.06.2019 22:30

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Answers: 1

question

Mathematics, 22.06.2019 01:00

What are the solutions of the following system? y=-2x^2 y=x-2

Answers: 1

question

Mathematics, 22.06.2019 02:20

Combine like terms to create an equivalent expression. make sure to simplify coefficients and constants as well. -6/5-2/3v+4/15+1/3v

Answers: 2

You know the right answer?

An absentminded professor does not remember which of his 12 keys will open his office door. Suppose...

Questions

question

Physics, 05.02.2021 17:40

A real-world roller coaster released at point A and coasting without external power would traverse a track somewhat like the figure above. Friction is...

question

Biology, 05.02.2021 17:40

Select the true statement(s) about enzymes. Enzymes increase biochemical reaction rates. Enzymes are catalysts. Enzymes decrease ac...

question

Biology, 05.02.2021 17:40

HELP!! What evidence do fossils provide geologists about the history of the Earth? A. Living things have remained the same over time. B....

question

Mathematics, 05.02.2021 17:40

Which expression is equivalent to -15x + 39?...

question

Mathematics, 05.02.2021 17:40

Please help and give an explanation please. ...

question

English, 05.02.2021 17:40

The diary of Anne Frank : In scene 3 how are the connotations of the words discussion and quarrel different? Why is the distinction between the words...

question

Physics, 05.02.2021 17:40

True or false: Electromagnetic waves can pass through a vacuum but mechanical waves can not....

question

Mathematics, 05.02.2021 17:40

Use a product of two binomials to find a polynomial that represents the area of Kelly's plot.

question

History, 05.02.2021 17:40

Page 1- Front Cover (include your name and class at the bottom- ex. Harbin 4 th , Harbin 1 st ) Appropriate cover design with at least one picture in...

question

Biology, 05.02.2021 17:40

Which of the following statements regarding plant speciation is correct? Animals adapt to their surroundings to improve reproduction rates. Ani...

question

Chemistry, 05.02.2021 17:40

Sodium surfate is a soluble salt. Describe how to make a sample pure, dry, large solution sodium sulfate crystals, including: - the essential s...

question

Mathematics, 05.02.2021 17:40

The graph shows the cost of y dollars for s minutes used Tina’s cell phone plan. After the first 300 minutes, Tina is charged ___ cents per minute...

question

Biology, 05.02.2021 17:40

A store sells a variety of sets for building molecular models. The sets are described by the diagram below. Each circled letter represents a box of 6...

question

Physics, 05.02.2021 17:40

The design of interior spaces is relatively unimportant to good architecture?...

question

Mathematics, 05.02.2021 17:40

The sum of a number x and 8, all divided by 3...

question

Mathematics, 05.02.2021 17:40

Given: AB = 12 AC = 6 Prove: C is the midpoint of AB. A line has points A, C, B. Proof: We are given that AB = 12 and A...

question

Mathematics, 05.02.2021 17:40

A rectangle has sides measuring (3x + 5) units and (6x + 11) units. Part A: What is the expression that represents the area of the rectang...

question

Computers and Technology, 05.02.2021 17:40

Complete the following sentences by choosing the best answer from the drop-down menus. A/an _ is a device used to protect computer against surges and...

question

Mathematics, 05.02.2021 17:40

What is the first step in evaluating the expression (5 + 8 ÷ 4 × 3)^2 − 7?...

question

Biology, 05.02.2021 17:40

Post lest: The Interdependence of Ecosystems Submit Test Reader Tools Info + Save & EX 13 Select the correct locati...

More questions: Mathematics Another questions

Questions on the website: 13722361