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Please help me with taxes and equations! Thank you for your help! :)

Ms Hernandez has $100 to spend on parking and admission to the zoo. The parking will cost $7 and admission will cost $15.50 per person including tax. How many people can she bring including... more

08/01/16

integration

We have to find the integration of ∫20160  [arctanx]dx the limits are from 0 to 2016 .  [.] means greastest integer

02/23/16

A doctor's prescription

A? doctor's prescription calls for a daily intake containing 5050 mg of vitamin C and 3030 mg of vitamin D. Your pharmacy stocks two compounds that can be? used: one contains 40 %40% vitamin C and... more

CHEMISTRY PLEASE HELP?!!!Determine the molar mass of a compound - given freezing point and masses of components in a solution?

A company is studying the use of a compound as a potential antifreeze. When 0.243 g of the compound is dissolved in 25.0 g of water, the freezing point of the solution is -0.201 * Celsius.   a.... more

Probability Distribution of two normally distributed independent random variables.

If X~N(10,3) and Y~N(15,8), and if X and Y are independent, what is the probability distribution of1. X +Y2. X-Y3. 3X4. 4X + 5YIf X and Y are positively correlated with a correlation coefficient of... more

solving equations with rational exponents

I'm having a little trouble solving equations when there is a rational exponent. Would you be able to explain how to do the following? (x+3)^2/3 = 8 (x^2-5)^3/2=27 3x(x-1)^1/2 + 2(x-1)^3/2=0

01/23/16

can someone tell me how do i send a emailon here i wanna attach the details of my project and i dont see an option to attach files

i dont know how to attach files to the message i am trying to send to my tutotr

01/21/16

X=1a+1b+2c, y=2a+1b+2c, z=1a+1b+3c. X+y+z=135a+118b+269c

I need help with this problem

The minute hand of a clock is 15mm long and the hour hand is 12mm long. How fast is the distance between the hour hand and the minute hand changing at 2pm?

Suppose that the minute hand of a clock is 15mm long and the hour hand is 12mm long. How fast is the distance between the hour hand and the minute hand changing at 2pm?    Note: Assume that both... more

Math Help Please!

A farmer was asked how many cows she has. The farmer replied, “Between the cows and the chicken, there are 25 eyes and 76 feet.” How many cows does she have? How many chickens does she... more

Systems of equations (but I think there's some trig in here?)

A path across of a rectangular lot is 65 m long. If the area of the lot is 1500 m^2, what are the dimensions of the lot? 

12/31/15

Given: PM || GK, PH || MJ, PH perpendicular PM, PO = MO, <1= <2, PH= 1/5 PM Prove: JK= 1/5 PM

Given diagram is triangle GOK (with base GK). Inside triangle is a figure (looks like a rectangle but not given that it is), quadrilateral HPMJ (labelled clockwise in that order starting from... more

12/18/15

Solve the equation for x, accurate to three decimal places: e^4x + 5e^2x = 36.

I really need help

11/11/15

Find polynomial of least degree with only real coefficients and having the given zeros: 1+i, 1-v3, 1+v3

Find polyniomial of least degree with only real coefficients and having the given zeros.   1-√3 1+√3 1+i

(4*pi*x^3)/3

thank you please, is really important

11/11/15

V=(4*p*x^3)/3

Please ineed really fast, thanks

10/21/15

I'm solving a problem and am getting a completely different answer than what's in my text. I need help please

(-8)2/3-9-3/2   i'm getting -109/27 but my text says 107/27   I'm not sure what i'm doing wrong. I'm at work and don't have my work through with me to show the steps, but if anyone can assist I... more

A state lottery...

A state lottery ticket costs $1. The probability of winning $1,000,000 is 0.0000001, the probability of winning 1,000 is 0.000005, and the probability of winning $10 is 0.0002. Find the expected... more

Word problem question

A roll of weather striping is 6 feet long. How many rolls are needed to go around 3 square windows that measures 3 feet on each side, and a rectangular window that measures 3 feet by 5 feet? 

10/15/15

supposing the mean is 6.8 and standard deviation is 2.7, then the highest 1% and the lowest 1% of numbers in that population will be

supposing the mean is 6.8 and standard deviation is 2.7, then the highest 1% and the lowest 1% of numbers in that population will be--------------(Choose one of these R functions to answer the... more

10/15/15

Solve x^3 + 3x^2 – 5x – 4 = 0. Show your use of the Rational Zero Theorem

Solve x^3 + 3x^2 – 5x – 4 = 0. Show your use of the Rational Zero Theorem

10/15/15

Find the rational solution of x3 – 3x2 + x + 5 = 0. Show your use of the Rational Zero Theorem

Find the rational solution of x3 – 3x2 + x + 5 = 0. Show your use of the Rational Zero Theorem

10/15/15

If you know that -2 is a zero of f(x)=x^3+7x^2+4x-12, explain how to solve the equation x^3+7x^2+4x+12=0. Also give an explanation to why x-2 is or is not a fac

If you know that -2 is a zero of f(x)=x^3+7x^2+4x-12, explain how to solve the equation x^3+7x^2+4x+12=0. Also give an explanation to why x-2 is or is not a factor  
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