Questions by Ken Bekov

Questions by Ken Bekov

Var(X), where X is any random variable, is equals to: Select one: a. E(X2)-(E(X))2 b. None of the above c. (E(X))2 d. E(X2) e. E(X2)+(E(X))2 Note: Answer E is NOT the correct answer. Please find the correct

asked Dec 5, 2024

1 answer

5 votes

72.5k views

A simple compass can be made by placing a small bar magnet on a cork floating in water. What fraction of a plain cork will be submerged when floating in water? a) 1/2 b) 1/3 c) 1/4 d) 1/5

asked Oct 19, 2024

1 answer

0 votes

221k views

A triangle has angle measurements of 68°, 68°, and 44°. Is this triangle isosceles?

asked Jul 13, 2024

2 answers

0 votes

117k views

What type of engine does the circular saw run? a) Gasoline engine b) Electric motor c) Diesel engine d) Pneumatic engine

asked Mar 26, 2024

1 answer

2 votes

161k views

18. The roof is leaking. It needs A) to mend B) mend C)mending D) mended

asked Jan 27, 2024

2 answers

4 votes

72.8k views

Pigment gallstones. Do Chole.

asked Jan 23, 2024

1 answer

1 vote

209k views

The force on an object is 22.3N and the acceleration is 9.8m/s². Find the mass of the object in kilograms.

asked Jan 6, 2024

1 answer

3 votes

12.0k views

3x - y = 17 4x + y = -3

asked Jul 2, 2023

1 answer

4 votes

34.2k views

Cassie’s broker charges her a commission of $4. 25 for every ten shares of stock bought or sold. Cassie buys 92 shares of Hyren Airlines, 130 of Giaco Household Goods, and 126 of Iwad Records. Hyren Airlines

asked Apr 25, 2023

1 answer

5 votes

226k views

Define ulility software

asked Sep 2, 2022

1 answer

0 votes

117k views

Linear pairs are supplementary True or false Plss answerr

asked Jul 21, 2022

2 answers

6 votes

30.1k views

When Substance Y is applied the cell, the cell functions normally at first, but as time goes on, action potential amplitude gradually decreases, and the resting potential gradually becomes less negative.

asked Jul 16, 2022

1 answer

3 votes

22.5k views

Kendrea is 4 times 2 less than Cameron's age. Kendrea is 40 years old. How old is Cameron?pls help

asked Jun 24, 2022

1 answer

0 votes

124k views

What is the measure of Angle

asked Mar 9, 2022

2 answers

22 votes

19.3k views

Which of the following categories would TREES fall under in the factors of production

asked Sep 23, 2021

1 answer

5 votes

32.3k views

A watch or clock that measures time precisely

asked Aug 18, 2021

2 answers

2 votes

159k views

The Kyoto Accords of 1997 was created to deal with which of these international situations? A. nuclear disarmament B. racial discrimination C.stopping the spread of AIDS D. address issues of pollution

asked Aug 5, 2021

1 answer

1 vote

13.6k views

What does the underlined word mean in the following sentence? La sopa es buena.

asked Jul 7, 2021

2 answers

0 votes

8.6k views

If f(x)= 5x+4 and g(x)= -2+1...... 1) f(6) + g(-8) = ? 2) g(4)= ? 3) f(-2)= ? PLZ PLZ PLZ HELP ME I AM SOOOOO CONFUSED!!!!!!!!!!!

asked Jun 22, 2021

1 answer

4 votes

33.7k views

Which ordered pair is the solution to the system of linear equations y = negative 7 x + 2 and y = 9 x minus 14? (negative 5, 1) (1, negative 5) (5, negative 1) (Negative 1, 5)

asked Jun 16, 2021

2 answers

0 votes

215k views

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