Search 80,000+ tutors

There are given 3 source charges Q1= Q, Q2=Q and Q3= 2Q. Q3 is on top of triangle and Q1 and Q2 on bottom. The distance of q1=q2=q3= X where to place 4th Q in way electric field equals to 0...

The librarian’s assistant is given \$500 to buy a collection of books for the library. Paperback books cost \$7 each, and hardcover books cost \$14 each. The librarian wants at least ten of each type...

My friend takes 10 cards at random from a 52-card deck, and places them in a box. Then he puts the other 42 cards in a second, identical box. He hands me one of the two boxes and asks me to draw out...

Suppose a researcher is studying the effect of a chemical on the concentration of a certain bacteria. She prepares20identicalbacteriaculturesin20petridishes. Sherandomlyassignseachof5chemicalconcentrations...

Job Offer. Maria got two job offers for positions as a sales person selling home appliances. The first pays a weekly salary of \$700 (only) while the second pays a base salary of \$200 plus commission...

A motor commutator 3 1/8 inches in diameter is turned down to remove a flat spot. If 3/64 inch is removed from the surface, find the finished diameter.

Renee worked 6 hours of overtime (anything over 40 hours) last week, for which she was paid time-and-a-half, and her gross pay came to \$735. What is her base hourly pay rate?

How many 1 3/4 -inch long machine bolt blanks can be cut from a 5-foot length of stock? Allow 7/32 inch for waste on each blank.

Hong is a software salesman. His base salary is \$2400 , and he makes an additional \$50 for every copy of English is Fun he sells. Let P represent his total pay (in dollars),...

If in a video game there is a 1/50 chance a monster will drop an item once killed, aren't the odds of it taking 171 kills greater than a smaller amount around like 50 kills? I understand there is...