Questions by Optimisticupdate

Questions by Optimisticupdate

A water well has an 8-inch diameter and is 170 feet deep. The water is 25 feet from the top of the well. Determine the amount of work (in ft-lb) done in pumping the well dry. (Use 62.4 pounds per cubic

asked Dec 23, 2023

1 answer

1 vote

137k views

What is the length contraction of an automobile 3.133 m long when it is traveling at 51.35km/h? (Hint:for x << 1,(1-v2/c2)1/2 ~ 1 - x2/2) Compare this to the diameter of a hydrogen atom by expressing your answer in femto meters.

asked May 27, 2023

1 answer

3 votes

206k views

Find the equation of the line that goes through the points (0, 4) and (10, 2). y = -1/5 x + 4 y = 1/5 x - 4 y = -1/5 x + 2 y = -5x + 4

asked Apr 27, 2023

1 answer

12 votes

63.5k views

What are two ways in which mountains can form as a result of magma hardening beneath Earth’s surface?

asked Jan 28, 2023

1 answer

2 votes

166k views

Ecosystems are constantly _______________ (changing, remain the same) in the ________________ (same, different) ways over time.

asked Sep 17, 2022

2 answers

21 votes

91.0k views

The terminal side of an angle in standard position passes through P(15,-8). What is the value of sin e?

asked Sep 17, 2022

1 answer

0 votes

57.6k views

Stacy spent £15 on ingredients for bread. She made 12 loaves and sold them for £1.80 each. Calculate her percentage profit.

asked Aug 13, 2022

1 answer

4 votes

104k views

A blank is a path of connected jobs that all work together to help you develop your skills and experience in one particular area a. life choice b. career c. plan d. specialty

asked Aug 4, 2022

2 answers

1 vote

43.4k views

What is the surface area of an orange with a circumference of 10 in? Round your answer to the nearest square inch.

asked Jul 20, 2022

1 answer

4 votes

110k views

Which expression is equivalent to (a^-8b) (a^-5b^3) Assume a≠0,b≠0.

asked Jun 24, 2022

1 answer

4 votes

7.8k views

if you roll fair dice(one black die and one white die), in how many ways can you obtain a different number on each die

asked Jun 6, 2022

1 answer

0 votes

123k views

Who proposed the primordial soup theory

asked Dec 18, 2021

1 answer

1 vote

48.0k views

What is the value of x 2x - 10 = 2x + 50

asked Oct 5, 2021

2 answers

1 vote

138k views

Write 7 11/40 as a decimal

asked May 9, 2021

2 answers

3 votes

229k views

A compound consists of 40.00% C, 6.713% H and 53.28% O on a mass basis and has a molar mass of about 180 g/mole. Determine the molecular formula of the compound.

asked May 9, 2021

1 answer

2 votes

183k views

Franco, Ivanna, and Esther bought school supplies. Each person spent between $8 and $13. Franco bought 6 items. Ivanna bought 3 items. Esther bought 4 items. The prices of the items are given below. Drag

asked Jan 14, 2021

1 answer

5 votes

167k views

If set D is not the empty set but is a subset of set E, then which of the following is true? D ∩ E = D D ∩ E = E D ∩ E = ∅

asked Mar 12, 2020

2 answers

0 votes

9.6k views

If you skip reading directions for a task and frequently miss deadlines you likely avoid this pattern:

asked Oct 15, 2019

1 answer

1 vote

120k views

C. 1 and 3 D.none Geometry math question no Guessing

asked Apr 22, 2019

1 answer

4 votes

141k views

True or false: All types of cell phones have operating systems.

asked Jan 27, 2019

1 answer

5 votes

180k views

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