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1 last square root : Rationalize the denominator 5/sqrt[3]+sqrt[5]= 5*sqrt[3]-sqrt[5]/ sqrt[3]sqrt5[5]*sqrt[3]-sqrt[5]= 5sqrt[3]-5sqrt[5]/sqrt[9]-sqrt[15]+sqrt[15]- sqrt[25]= 5sqrt[3]-5sqrt[5]/-16 = 5sqrt[3]-5sqrt[5]/ -2
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y=2x+7
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An urn contains 5 white balls and 3 black balls. Two balls are drawn at random from the urn. What is the chance that both balls are white?
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marcy has a total of 100 dimes and quarters. if the total value of the coins is $14.05, how many quarters des she have?
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A single ball is drawn from an urn containing 10 balls numbered 1 thru 10. What is the probability that the ball chosen is an odd-numbered ball or a ball with a number less than or equal to 5?
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A family has three children. Assuming the change of either a boy or a girl is equal (50% each), what is the chance that the family has three girls given that the first child is a girl.
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3(x-5)= x+7
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How can you differentiate an arithmetic sequence from a geometric one? Please provide a specific example to support your response.
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328.25/13=
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y=5+2sin
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- Solve the following
- a) 3/(n+1)-1/(n+1)=14/(n^2-1)
- b) 1/(y-1 )+y/(1-y)
- c)4/(x-5)-3/(x+2)=28/(x^2-3x-10)
- d) (x-2)/(8x-24)*(5x-15)/(x^2 -4)
- e) z/(z-1)+1/2=3/z
- f) (x-3)/(x^2+2x-15)-(4-x)/(x^2-9x+20)
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