Tuesday
July 29, 2014

Posts by Rox


Total # Posts: 18

math
A can of soda at 80°F is placed in a refrigerator that maintains a constant temperature of 37°F. The temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t) = 37 + 43e−0.058t.

Science
hardy weinberg problem

Science
Phenylketonuria (PKU) is a human metabolic disease caused by the recessive allele k. If 2 heterozygous carriers of the allele marry and plan a family of five children: a) what is the chance that all their children will be unaffected? b) what is the chance that four children wi...

maths
The lines x=4y−a and y=4x−b intersect at the point (1,2). What is a+b?

maths
Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as a√b−cπ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value of a+b+c?

maths
It is given that sin(θ)=1/√15. In addition, a and b are coprime positive integers such that cos(2θ)=a/b. What is the value of a+b?

maths
How many positive integers N are there such that the least common multiple of N and 1000 is 1000?

maths
A group of friends are planning a road trip. If they all contributed $24, then they would be $6 short of the total. If they all contributed $25, then they would have $3 more than needed. What is the total cost of the trip?

maths
The variables x and y satisfy the equations 2/x−24/y=−1 and 6/x+33/y=2. Find the product xy.

Math
If it costs $75 to install 40 feet of fencing, how much does it cost to fence a rectangular garden that measures 12 feet by 16 feet?

calculus
find the integral: ∫tan^6 (x) dx

calculus
∫ sin(x)sin(3x)dx find the integral

calculus
Find Mx, My, and (x, y) for the laminas of uniform density ρ bounded by the graphs of the equations. (Use rho for ρ as necessary.) y =1/5 y = 0 x = 4

Math
Please help solve 2a²+5a+3

Math
2a²+5a+3

chemistry
the molarity of ferric ion in a .060 M solution of Fe2(SO4)3 is?

volcabulary
One who prefers solitude to companionship is an A> ascetic B> introvert i think a

chemistry
Write the balanced chemical reaction for the rusting of iron? the acidic vinegar dissolved a protective coating off the steel wool, allowing the oxidation of the steel to begin. This process is called rusting. In this reaction, iron(III) is combined with oxygen gas to form iro...

Pages: 1

Search
Members