# Susan

Popular questions and responses by Susan
1. ## math

The overall probability of a student failing an exam is 40%. Calculate the probability that in a group of 6 students, at least 4 passed the exam.

2. ## physics

A 10 ohms resistor has a constant current. If 1200C of charge flow through it in 4 minutes what is the value of the current? A) 3.0 A B) 5.0 A C) 11 A D) 15 A E) 20 A ok I used the I=Q/t, 1200C/240s to get 5A which is an answer. You said I was right but

3. ## english language

what is the sound word for bow and arrow? eg. Nobody heard the ____ of the bow or the ____ of the arrow.

65. ## statistics

use the given information to find the minimum sample size required to estimate an unknown population mean. Margin of error/; $137, confidence level:99%, standard deviation =$535

66. ## calculus

The strength of a rectangular beam is proportional to width*depth^2. What are the dimensions of the strongest rectangular beam that can be cut out of a 12 inch diameter log?

67. ## Chemistry

Write a word and balanced chemical equation for a burning candle. I know that the paraffin in the candle has the formula C20H42 , but I don't know what else to do...

68. ## Math

Determine whether the following individual events are overlapping or​ non-overlapping. Then find the probability of the combined event. Getting a sum of either 4​, 9​, or 10 on a roll of two dice

69. ## English

Rewrite the following paragraph. Add colons and semicolons where needed. Note that a spelling/grammar-checker does not always catch these errors. One of the most exciting experiences in my life was traveling to Uruguay in South America in June of 2005,

70. ## Physics

A platform of mass 0.83 kg is supported on four springs (only two springs are shown in the picture, but there are four altogether). A chunk of modeling clay of mass 0.65 kg is held above the table and dropped so that it hits the table with a speed of v =

71. ## Science

This kind of glassware is dangerous to use because it has stress points where the glass may break. (its 7 letters)

72. ## Trig/PreCalc

An airplane is flying on a compass heading of 160 degrees at 425 mph. A wind is blowing with the bearing 200 degrees at 75 mph. Find the actual speed and direction of the airplane.

73. ## math

Randy finished the race in 28 minutes and 11.00 seconds. Julie finished 0.08 seconds faster than randy. Pat finished 0.1 seconds faster than Julie. How long did it take Pat to finish the race?

74. ## English

Revise the following sentences so that the subject and verb of each sentence identify key actors and actions: • The dedication of professors to multiculturalism is crucial to encouraging students of all races to succeed. o To encourage students of all

75. ## English

Identify the sentence that is punctuated correctly. A. These products may not seem as exciting as they did in the past but maybe that's the time to do a little buying. B. Prior to Webster's complete two-volume edition he had compiled three shorter and