Questions by PhE

Questions by PhE

A smoke-detector system uses three devices, A, B and C. If smoke is present, the probability that it will be detected by device A is 0.92; by device B is 0.98; and by device C is 0.93. If smoke is present,

asked Oct 26, 2024

1 answer

0 votes

131k views

Alexandra invests £885 into an account that pays 2.75% simple interest per year. Work out the total interest Alexandra gets after 16 years

asked Oct 8, 2023

1 answer

9 votes

128k views

Hello! this is to my other post!

asked Sep 15, 2023

1 answer

11 votes

15.8k views

For f(x)=3x-4 and g(x)=4x^2-3What is (g o f)(x) =?

asked Apr 4, 2023

1 answer

3 votes

119k views

SALES TAX Apply your knowledge of percentages to solve the problems below. Round answers to the nearest hundredth. 1. How much sales tax will be charged on a good priced at $32.507 2. How much sales tax

asked Jan 23, 2023

2 answers

0 votes

189k views

Describe the preparation of compost in your locality

asked Oct 5, 2022

1 answer

2 votes

128k views

A high school basketball game between the Raiders and the Wildcats was tied at the end of the first quarter. The number of points scored by the Raiders in each of the four quarters formed an increasing

asked May 5, 2022

1 answer

5 votes

104k views

Please help, (Genetics question)

asked Apr 18, 2022

1 answer

0 votes

7.9k views

What is the pH of pure water?

asked Mar 18, 2022

2 answers

22 votes

33.4k views

Which book played a role in changing attitudes about gender roles in american society? A. Common Sense B. The Jungle C. The Feminine Mystique D. The Things They Carried

asked Dec 4, 2021

2 answers

0 votes

137k views

Which of the following is true of how packets are sent through the internet?

asked Nov 19, 2021

1 answer

5 votes

80.2k views

Displacement vetors of 4 km south, 2 km north, 5 km south and 5 km north combine to a total displacement of? 1. 16 Km north. 2. 11 km west. 3. 6 km south. 4. 2 km south.

asked Aug 8, 2021

1 answer

5 votes

214k views

How does Butch Cassidy react when he learns that two deputy sheriffs are plotting to capture him at his camp? He is frightened He is nervous He is amused He is angered

asked Apr 7, 2021

1 answer

0 votes

708 views

Achievements among African civilizations included: the Crusades Islam women taking government roles the Zagwe Dynasty

asked Apr 5, 2021

2 answers

0 votes

136k views

An open top box is constructed from a rectangular sheet of material by cutting equal squares from each corner and folding up the edges. If the sheet of material measures 15 inches by 11 inches, find the

asked Mar 22, 2021

1 answer

1 vote

204k views

What is proportional

asked Mar 10, 2021

1 answer

0 votes

200k views

Plz help me with this

asked Mar 15, 2020

1 answer

4 votes

46.3k views

Research a supreme court decision. Tell me the for and against arguments in the court. And what it was about.

asked Feb 2, 2020

1 answer

2 votes

129k views

Is energy required or released? Name that term. For catabolic

asked Feb 2, 2019

1 answer

2 votes

184k views

What is the term for a type of watercolor that is painted directly onto fresh plaster?

asked Jul 20, 2018

1 answer

2 votes

111k views

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