03/04/15

need to calculate the angle of impact of some stains and than use the tan equation to get the height of origin in inches
Stain 1: width of stain is 7.2 mm, the length is 14.4 mm what is the degree of impact. I have tried converting to fractions or decimals and I still do not get it. I need step by step... more
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03/04/15

R (t) = 0.00731t^4 – 0.174t^3 + 1.528t^2 + 0.48t + 19.3; (0=t=10)
The share of the world population that is over 60 years of age compared to the rest of the working population in the world is of concern to economists. An increasing dependency ration means that... more
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03/03/15

Help please
Completely factor the following expression.           2                2 256z    - 4 - 192z   +3
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03/03/15

suppose you are ordering a pizza from a restaurant that has 3 types of crust 2 kinds of sauce and 10 toppings
suppose you are ordering a pizza from a restaurant that has 3 types of crust 2 kinds of sauce and 10 different toppings how many choices do you have if you choose one crust one sauce and one topping?
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03/03/15

Probability
Two fair dice are rolled. What is the probability that the sum is 4, given that at least one of the numbers rolled is even?
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03/03/15

a car starts from rest and reaches a speed of 20m/s in 10s. What is the acceleration of the car?
what is the acceleration?
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03/03/15

Law of Large Numbers
You roll a fair 10 sided die. What is the probability of rolling a 3? (Express as a decimal rounded to three decimal places.)
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03/03/15

A company is offering a 2-year extended warranty on a refrigerator.
A company is offering a 2-year extended warranty on a refrigerator. Their research indicates that, on average, about 1 out of 100 of these refrigerators will fail in the 2 years following the... more
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03/03/15

Expected Value Insurance Claims

Based on an insurance company's past data, each year an average of 1/90 policy holders make a claim of $250, 1/100 policy holders make a claim of $12,000, and 1/400 make a claim of $17,000. 1. What... more
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03/02/15

Either/Or Probabilities
If you toss four coins, what is the probability that you will get exactly 2 or 4 heads?   Compute the probability. (Round to three decimal places.)
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03/02/15

Either/Or Probabilities
You want to know the probability that you will roll doubles or a sum of ten with two dice. Compute the probability. (Round to three decimal places.)
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03/02/15

1 AND 1 Free Throw Probability
Suppose a women’s college basketball player is fouled in a one-and-one situation (meaning she is awarded two free throws only if she makes her first one and awarded one point for each shot made).... more
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03/02/15

Probability with AND
You want to find the probability of rolling a sum of 12 on two dice and then rolling a sum of 4 on the next roll. Calculate the probability. (Round to three decimal places.)
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03/02/15

Probability with AND
You are going to draw two candy bars from a large bag containing 30 Snickers bars and 9 Twix bars. What is the probability that the first draw is a Snickers and the second draw from the bag is a... more
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03/02/15

What does 67.010 equal?
67.010= 67.00 67.01 6.701 What does 67.010 equal?
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03/02/15

Find all points (x,y) on the curve x^2+xy+y^2=3 where the tangent line is vertical.
 Find all points (x,y) on the curve x^2+xy+y^2=3 where the tangent line is vertical.
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03/02/15

word problem
A 102.5g sample of an uknown metal was heated in a water bath of 99.5 celsius. The metal was than added to 25.7g of water in an insulated container and the temperature of the water changed form an... more
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03/02/15

word problem
500. g of water were heated from 20 to 50 celsius. How many kilocalories were neeeded to bring about this temperature change?  
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03/02/15

If there are n teams in a league and each team plays every other team once, the total number of games played is given by the polynomial function f(n)=1/2n^2-1/2
If there are n teams in a league and each team plays every other team once, the total number of games played is given by the polynomial function f(n)=1/2n^2-1/2n. Find an equivalent expression for... more
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03/02/15

Which of the following transactions would not create a cash flow?
Which of the following transactions would not create a cash flow?   A. The company purchased some of its own stock from a stockholder.   B. Payment of a dividend.   C. The company purchased... more
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03/01/15

About how many deer were in the population?
In a capture-recapture study, a biologist tagged and released 290 deer. A month later she captured 40 deer, 30 of which had tags.
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03/01/15

If total product is decreasing, marginal product is
increasing. above average product. negative. equal to average product. positive.
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03/01/15

when will the football pass the top of the bleachers? and when will the football hit hte ground? s=0. please show work
a ball is thrwoing vertically upward from the top of a 14.7 meter set of bleachers. the hight of the football, s, in meters after t seconds is given by the fomula S=-4.9t^2+9.8t+14.7.... when will... more
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02/28/15

twice the difference of a number and 2 is equal to three times the sum of the number and 4
 i'm stuck
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02/28/15

Sorry. Maths question.
I have fifteen books in total. If five of them are written by me, and I pick four random books to take on holiday, what is the probability that exactly 2 of my books are written by me?
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