05/09/16
Functions and Operations
Draw a conclusion from your experiments of how you can get (f+g)(x) and (f-g)(x) without graphing.
05/09/16
What are the coordinates of J' and K'?
Segment JK has coordinates J(3,-6) and K (-3,2). When segment JK is dilated with a scale factor -4, what are the coordinates of J' and K'?
A. J'(-1,-10) and K'(-7,-2)
B. J'(7,-2) and K'(1,6)
C....
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05/08/16
Mathmatical physics Question
When a ball is thrown through the air, or a person skydives from a plane, quadratic functions (and parabolas) describe their motions. Gravity causes items to fall at an acceleration rate of 32 feet...
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05/07/16
What is the probability a randomly selected student will read more than 95 words per minute
the reading speed of Second grade students is approximately normal with a mean of 90 words per minute and a standard deviation of 10 words per minute
05/07/16
sample proportion
According to a study conducted by an organization, the proportion of Americans who were afraid to fly in 2006 was 0.10. A random sample of 1300 americans results in 117 indicating that they are...
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05/06/16
Calculus I Optimization
A cylinder is inscribed in a right circular cone of height h and radius (at the base) equal to r . What are the dimensions of such a cylinder which has maximum volume?
05/05/16
word problems
demand for an overseas tour is q = 250 reservations per month when the tour is priced at p = $2000, and q = 50 reservations per month when it is priced at p = $4000.a) Find a linear model for...
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05/05/16
Please explain. Possible Roots
P(x) = -9x3 - x2 +5x -8Possible Roots:
Use Descartes' Rule of Signs to analyze the zeros of the following. List all possibilities.
05/05/16
Descartes' Rule of sign
P(x) = 2x5 + 7x3 + 6x2 – 2Possible Roots:
Use Descartes' Rule of Signs to analyze the zeros of the following. List all possibilities.
please explain
05/05/16
possible roots? please explain
P(x) = -5x4 + x3 + 2x2 – 1
Use Descartes' Rule of Signs to analyze the zeros of the following. List all possibilities.
Help please!
A country's population in 1992 was 222 million. In 2001 it was 224 million. Estimate the population in 2004 using the exponential growth formula. Round your answer to the nearest million.
P=Aekt
05/05/16
if 60% of the electorate supports the mayor what is the probability that in a random sample of 10 voters, fewer than half support her
I just really need help with this question. I was not in class when we learned about this.
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05/04/16
word problems
A firm has demand schedule p = 150 - q and cost function C (q) = 2000 + 40q a) Give the firm's revenue function R (q). b) What level of production will maximize the firm's revenues? c) Find the...
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05/04/16
I need help with my statistics problem
The average charitable contribution itemized per tax return in Pennsylvania is? $792 with a standard deviation of? $103. Find the limit for the upper? 30% of contributions. Assume a normal...
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05/04/16
all possible roots?
P(x) = 2x5 + 7x3 + 6x2 – 2Possible Roots:
Use Descartes' Rule of Signs to analyze the zeros of the following. List all possibilities.
Please explain
05/03/16
A box of candies contains 6 caramels and 4 buttercreams, all appearing identical. What's the probability that the candy will be caramel after the third one
this is a stats question
05/03/16
I really need help with these three ASAP!!!
Calculate log3 100 (where log3 means log to the base 3). Rewrite as a logarithm to the base 2. log3 100 = 4.1918 = log2 18.2750 log3 100 = 4.6416 = log2 24.9609 log3 100 = 3.3333 = log2 10.0791...
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05/03/16
In macroeconomic theory, total consumption expenditure on goods and services, C, is assumed to be a linear function of national income, I....
In macroeconomic theory, total consumption expenditure on goods and services, C, is assumed to be a linear function of national income, I. The table gives the values of C and I for 2004 and 2009 in...
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05/03/16
Find the equation of the ellipse with a vertex of (0,6) and a co vertex of (5,0)
Also find the equation of the ellipse for a vertex of (-4,0) and a co vertex of (0,3)
05/03/16
Math Word Problem Help - Please include steps.
The owners of a pet store plan to purchase some hamsters and some rabbits. They decide to spend at least $100 and purchase at least eight animals. Each hamster costs $5 and each rabbit costs $25....
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Find locus of point P
If the tangent from point p to circle x2+y2=1 is perpendicular to the tangent from p to be circle x2+y2=3, then locus of p is ?
A circle of radius _
05/02/16
fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 334 people..
The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 334 people entered the park, and the admission fees collected totaled 926.00 dollars. How many...
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05/02/16
help! if 137 people attended a concert & tickets per adult cost 2.75..
If 137 people attend a concert and tickets for adults cost $2.75 while tickets for children cost $1.75 and total receipts for the concert was $303.75, how many of each went to the concert?
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