Philip P.

Math

03/10/14

A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time? Explain!

A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time? Explain! I've not tried anything.

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Sequence And Sumation Notation

03/09/14

Sumation notation

1)simplify the ratio of the factorials 30!/27! This is what i do 1•2•3•4•5...30/1•2•3•4•5•6....27=24,360 Is this answer right? 2) use sigma notation to write the sum ... more

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Geometry

03/08/14

find the geometric mean of 5 and 12

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Algebra 1

03/08/14

What are the dimensions of the rectangular rug?

The perimeter of a rectangular rug is 32 ft. The length is 2ft longer than the width. What are the dimensions of the rug?

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Algebra Help

03/08/14

How many games won?

A team played 62 games. They won 32 more games than they lost. How many games did they win?

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Math Probability Math Help

03/08/14

What is the probability the thrid bottles she chooses will be grape juice?

there are 3 types of juice in the refrigerator: apple, orange, and grape. There are 4 bottles of each type of juice. Ivy is going to choose 3 bottles of juice at random. Part A : If the first... more

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Probability Math Help Fraction

03/08/14

what is the probablitty the fourth photograph will be of katie?

Robert has an envelope containing 24 photographs. Six of the photographs are of Robert, and the rest are of his friend Katie. He will choose 4 photographs at random. If the first 3 are of... more

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Math Probability Math Help

03/08/14

what is the probablity the second mouse will be white?

there are 4 white mice and 6 brown mice in a cage. Molly will take out 2 mice at random. If the first mouse she takes out is brown. a. 2/5 b. 4/9 c.1/2 d.4/5

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Equation And Slope

03/07/14

HELPING FINDING EQUATION USING 4,1 AND -2,3

PLEASE HELP ME SOLVE TO FIND THE EQUATION IN STANDARD FORM. I have the slope as 3/-6. Points are 4,1 and -2,3 I started with 3(y-1) = -6(x-3) 3(y-4) = -6(x -... more

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Equation And Slope

03/07/14

can the points (2,5) and (4,9) form an equation

I am not coming up with an equal equation using the points (2,5) and (4,9), please help. I have the slope as 4/2 or 2

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Physics

03/07/14

If laser beam hits the bullet proof Lexan glass of a bank with an angle of 45 degrees

If laser beam hits the bullet proof Lexan glass of a bank with an angle of 45 degrees. If the index of refraction for Lexan is 1.585 and the index of refraction for air is 1.000293, What is the... more

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Other

03/07/14

y=2x+3 make input/output table for the function using domain of 0, 1, 2, 3

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Mensuration

03/06/14

a trapezium of area 105 cm^2 has parellel sides of length 5 cm and 9 cm.How far apart are the parellel sides?

mensuration mathematics need the answers

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Math Help

03/06/14

At what point?

If f(x)=2x^3-6x, at what point on the interval 0≤x≤sqrt(3), if any, is the tangent to the curve parallel to the secant line on that interval? Answer: 1 Please show all your work.

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Maths

03/06/14

A number decreased by 30 is the same as 14 decreased by 3 times the number. Find the number. Explain!

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Other

03/05/14

simplifying radicals

i have to match up radicals after simplifying them.

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Math Help

03/05/14

how many times a day do the minute hand of a clock make an angle of 90°?

Explain

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Trigonometry

03/03/14

What are the steps and the answers to this problem?

4-4cos(π/5)

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Other

03/03/14

308,827,000 people live in US 6.5% are children under 5, how many were under age 5

in 2012 there were 308,827,00 people living in the US. 6.5% of those were children under the age of 5. How many were under the age of 5? round to the nearest whole child. show what operation... more

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