Using arrow diagrams If 7 dice are rolled, and explain why must two at least be the same value?

Using arrow diagrams If 7 dice are rolled, and explain why must two at least be the same value?

total number of combinations

Write the total number of possible combinations of 5 dice being rolled at once?

give the probability

Write each as a set and then give the probability, of the following happening?a) From a full pack of picture cards (J,Q,K,A) an ace is dealt?b) From a set of a single die that a 4 is rolled?c) From... more

How do you simplify (2x-5)/(x-2)+(x-8)/(x+4)

I've multiplied it out so that they both have a common denominator of (x+4)(x-2) and now I'm confused on what to do next.

02/27/14

For what value of x must the quadrilateral be a parallelogram ? Than it shows 4x on one side of the shape than 3(x+6).

Help solving geometry problem. Need help home on my homework. Dvjkjyffgmjjjjjjjjjjjjjjjjjj

02/27/14

Fraction sum, am I right?

2 -3/4 * 2 2/3  = 3 1/10    According to my calculator   My original answer was: 7 1/3     But then, I looked at it again and found out how it got its answer.  I assumed that all the... more

02/27/14

An urn contains 6 green and 8 yellow balls. You randomly choose 2 balls(without replacement)

What is the probability of both balls being green? What is the probability that at least 1 ball will be yellow?

How do you solve an equation with multiple variables. 32=3x+y

How do you solve   32=3x+y

02/26/14

math questions(probability)

you roll a fair die one time. What is the probability of rolling a 3 or 4? A fair die is flipped 4 times. What is the probability of getting "heads" on all 4 flips? A fair coin is flipped 4... more

02/26/14

Find the integral?

Find the integral of sqrt(4-x^2)dx from 0 to 2.    Answer: pi   Please show all your work.

Solve the linear inequality

X/2 L X/10 + 4   Interval Notation solution and Set-Builder notation solution

02/26/14

Does the equation y = +-5X represent a function?

Does the equation y = +-5X represent a function?

02/26/14

Solve the problem

The cost P, in dollars, to produce graphing calculators is given by the function C (X) = 53X + 2000, where X is the number of calculators produced. a) Identify the dependent and independent... more

please please check my answers

18)Evaluate the sine cosine and tangent of the real number  t=(4)(3.14)/3   My answer Sin(t)=4/3 Cos(t)=3/4 Tan(t)=2/3   54)use a calculator to evaluate the expression.Round to the nearest... more

02/26/14

80 to 1 1/3

type an integer or a simplified fraction

the graph of f passes through (3,9) and is perpendicular to the line whose equation is x=18

I need to find out how to get the equation of the perpendicular line

how many hours did the trip take if the average speed on the trip was 65 miles per hpur and 26 miles per hour on the way back?

This is an algebra 2 problem. we want to know how many hours the trip took

02/25/14

Find the six trigonometric functions that correspond to the point on the unit circle

FIND the six trigonometric functions that correspond to the unit circle (4/5,3/5)   I dont even know were to start

02/25/14

9t raised to the second power - 49 while using square method

the problem is above

02/25/14

Find the possible original number(s).

The ones digit of a two-digit number if four more than the tens digit. If the ones digit and the tens digit are interchanged, the value of the new number is 36 more than the original number. Find... more

02/25/14

Solve the solution.

                                                                                                         kt The concentration of bacteria in a sample can be modeled by B(t) = B  e    , where t is... more

02/25/14

Solve the solution.

Solve the solution.                                                                                                                       x-1992 A city's population P in thousands during year X... more

02/25/14

One of the points on a graph is (4,-2). The slope of that line is -2/3. What is the other point?

I really don't understand this. I need help!! I stink at algebra sometimes:/ but sometimes my brain works and I understand things but this confuses me. I swear we didn't learn this in class but... more

02/25/14

write a proof in two column form given: ?1??2 prove: AD/AB=AE/AC Proof:

i need to ger an statements and reasons

02/25/14

How do you graph 2x^2+x-14?

I know that the vertex is (-0.3, -14.1) but I need a step-by-step on how to graph it. Please help!

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