Friday
December 9, 2016

Posts by Nae

Total # Posts: 32

Statistics
18 of the 50 dvrs in an inventory are known to be defective. What is the probability you randomly select an item that is not defective?
November 26, 2016

Statistics
A cooperation must appoint a president, CEO, coo, CFO. There are 15 qualified candidates. How many ways can the officers be appointed?
November 22, 2016

Math
An experiment is conducted where a single die is rolled 15 times. A 3,2,1,6,4,6,6,5,2,6,5,3,2,3 and 1 are rolled. What is the probability of rolling a 1? Decimal and fraction form
October 4, 2016

Math
Two mechanics worked on a car. The first mechanic worked for 10 hours and the second mechanic worked for 15 hours. Together they charged $2500. What was the rate charged per hour by each mechanic if the sum of the two rates was $195 per hour?
October 1, 2016

Geometry
If there are 7.48 gallons of water in a cubic foot, how many gallons of water is needed to fill a pool that is 2,260.8 cubic feet?
September 23, 2016

7th grade math
a photograph is 4.5 in. wide and 6 in. long. A yearbook editor has the photo reduced to fit a spade 1.7 in. wide. how long is the reduced photograph?
September 20, 2016

algebra
Write and solve a system of equations to solve the problem. At a film festival, Film A is 4 times as long as Film B. Together, the films are 160 min long. How long is each film?
January 25, 2015

Elementary Alegebra
jon's age is 120% of Sara's age. If their age difference is 5 years, how old are jon and sara?
December 2, 2014

math
The sum of a number and 1/8 of the number is 54. Find the number.
June 12, 2014

Science
i just took the test and majority of these answers are correct!
March 6, 2014

Math
3 DIVIDED BY 562.0 SHOW ALL STEPS LONG DIVISION
August 5, 2013

Physics
PLease B_0 for Problem 1 both cases!
May 11, 2013

Physics
Please B_0!
May 8, 2013

chemistry
convert the following measurements to the units specified 1) 357ml = ?L 2) 25kg = ?mg 3) 35,000cm = ?L
September 24, 2012

chemistry
convert the following measurements to the units specified 1) 357ml = ?L 2) 25kg = ?mg 3) 35,000cm = ?L
September 24, 2012

Biology
We did an assignment called the tooth pick fish and the yellow fish were in danger then all the green fish disappeared because they were in a hostile environment i don't fully under stand this question though Have any genes disappeared entirely?
January 31, 2012

Biology
Yellow genes are recessive to green; green are dominant to both red and yellow. Which color of genes disappeared faster when the environment was hostile to them? Why?
January 31, 2012

Geometry
Symmetric Property of Congruence: if < 1 ~= <2 and <3~= <4, then , and
January 27, 2012

poetry
I need help on figuring out the type of poem and developing a theme and meaning the themes/meaning is confusing me on some of them “No, Thank You, John” I never said I loved you, John: Why will you tease me day by day, And wax a weariness to think upon With always &#...
January 27, 2012

Poetry
I need help on figuring out the type of poem and developing a theme and meaning the themes/meaning is confusing me on some of them “No, Thank You, John” I never said I loved you, John: Why will you tease me day by day, And wax a weariness to think upon With always &#...
January 27, 2012

physics
A 7.5 kg object moving at 7.3 m/s collides inelastically with a 4.0 kg object which is initially at rest. What percentage of the initial kinetic energy of the system is lost during the collision?
November 1, 2011

:)
simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
September 27, 2011

Chemistry- Naming Compounds
MoP Sb2(CrO4)5 And Molybdenum (VI) Phosphate I'm having trouble with these only
February 19, 2011

College Chem
How many moles of O atoms are there in a sample of 86g sucrose (C12H22O11)?
January 30, 2011

9th grade
since geometry
August 3, 2010

9th grade
At a certain time, a vertical pole 3 meters tall casts a 4 meter shadow. What is the angle of elevation of the sun? Round your answer to the nearest meter
August 3, 2010

chemistry
A solution is labeled 0.450 m magnesim nitrate. Calculate the concentration of each ion present in solution.
February 2, 2009

Grammar
Punctuating sentences Friday nights at the diner were always busy, I prefer the activity. Is this answer correct? Friday nights at the diner were always busy; I prefer the activity. Yes, it is correct. Two independent clauses (which you have in this case) must be joined by a ...
June 30, 2007

math
Solve each formula for n. 2n = 4xp-6 3m-n=4s r/n+2=p t=100(n+3) pv/nR=T 8a+2=6b In the first example, divide both sides of the equation by 2 In the second example, add n to both sides of the equation. Try these yourself. They aren't that hard. We will be glad to critique ...
March 29, 2007

math
What is the interest on $600 for 5 years is $210.What is the percentage rate? 600 x rate x 5 yrs = 210. Solve for rate, then multiply by 100.
November 11, 2006

math
1.In what length of time will $500 be the interest on $2500 invested 5% per anum? Is this compounded. I will assume it is not. 0.05 x 2500 x #yrs = 500 Solve for #yrs.
November 11, 2006

Stoichiometry problem
How many grams of phosphorus can be obtained from the decomposition of 45 kg of POCL3. 2 POCL3 --|> 2P + # Cl2 + O2 Please help
September 9, 2006

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