Katherine P.

Word Problem Pre Algebra

05/01/14

A phone company charges $19.95 per month plus $0.05 per minute for calls. If a family's monthly long distance bill is 23.74, how many minutes did they use?

I don't know if I can find a solution and other websites don't answer word problems. PLEASE HELP ME!!!!!

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Probability

04/23/14

Probability

A slot machine has 3 wheels. Each wheel has 10 positions: a bar, and digits 0,1,2... When the handle is pulled the three wheels spin independently before coming to rest. Find the probability... more

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Combinations

11/19/13

ms. beckman invites 5 of her friends to her birthday party

how many handshakes are there if each person at the party shakes hands with every other person at the party?

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Solving For Variables

10/25/13

solving for variables

I am learning about solving for variables,the equation is "y= -3/7x-9" solving for X and the answer I got was "x=-7/3y-21" so my question is, how did they get to this answer?

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Algebra Equation

10/25/13

Need to Find X

y = (x * .4175) + x where y = 874.90

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Integers

10/23/13

The greater of two consecutive integers is 15 more than twice the smaller. Find the integers.

How do you go about solving this word problem? iygtftfyyrcdrucdrcdrtdcuj

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Math

09/27/13

HELP ME OUT PLEASE SOLVE IT..............

Are the lines associated with the given functions parrallel ,perpendicular, or neitherf(x)=4x+9, g(x)=1/4x+3 I already solved it but not that sure My answer is they are not parallel nor... more

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Math Equations

09/23/13

What's the minimum y-value on the graph of y= f(x)

f(x) = x^2 - 4x - 2 the minimum y-value is y=?

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Math Equations

09/23/13

I need help finding the vertex of this parabola

f(x) = x^2 -10x - 7

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Scientifc Notation

09/17/13

The average person blinks approximately 15,000 times in a 16 hour day. Kelly decides the average person will blink about 300 million times in a lifetime, is this reasonable? Mathematically justify... more

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Percentages

09/12/13

If 75% of a number is added to 75, the result is the number itself. Then the number is?

how to solve diz type of questions

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Algebra 2

09/11/13

(2,3) and (4,5)

the answer to the question using slope and y-intercept

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Algebra 1

08/28/13

2v(5)=3v(x)

how do i solve this?

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Parabola Equation

08/17/13

Please I need to make satellite dish but know how to get the calculations of the parabola . MATTHEW

The size of the dish is , 4.7 meter , focal point is 1.8 meter with dept of about .76 meter

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Algebra 2

08/10/13

solve the following equation v(12-x)=v(x+6)

a. 6b. 9c. 3d. no real solution

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Algebra 2

08/06/13

the sum of twice a number and four is twelve find the number

a. 2 b. 5 c. 3 d. 4

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Algebra 2 Question

08/06/13

identify the solution of the equation above

identify the solution 2x+4=3(x-8)

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Algebra 2 Question

08/06/13

find the ordered pair where the maximum value occurs for the equation .. below

c=12 x-4y given the following constraints y greater than or equal to 4 x greater than or equal to 1 x+2y less than or equal to 16 y-x less than or equal to 5

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Algebra 2

08/06/13

if f(x) equals -3x squared-5x+7 find this: f(-2)

find f(-2) if f(x)equals -3xsquared-5x+7

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Math

08/01/13

what is 2% of 5.100?

a.10 b.102 ,c.204 or d.255

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Negative Numbers

07/31/13

negative numbers

what is the function of a negative number appearing within 2 lines?

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Slope Intercept Form

07/31/13

How do you put f(-2)=1 and f(-1)=3 in slope-intercept form?

I have this question as part of my Pre-Calc summer work. I never learned about f(x) equations without the variable x in them... it just doesn't make sense to me based on what I know. Please help! I... more

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