Questions Asked on
July 25, 2017

chemistry
A BALANCED CHEMICAL EQUATION BTW IRON (Fe3+) and NaOH.
asked by Saddik 
statistics
You are ordering a new home theater system that consists of a TV, surround sound system, and DVD player. You can choose from 1616 different TVs, 2222 types of surround sound systems, and 1919 types of DVD players. How many different home theater systems
asked by Hallie 
Physics
A runner hopes to complete the 10000m run in less than 30min. After running at constant speed for exactly 27min, there are still 1200m to go. The runner must then accelerate at 0.20m/s^2 for how many seconds in order to achieve the desired time?
asked by Axel 
Math
The HCF and LCM of two numbers are 8 and 504 respectively one of the numbers is 72 find the other number
asked by Areej fatima 
Mathcollege
Find an nthdegree polynomial function with real coefficients satisfying the given conditions. n=4; i and 3 i are zero; f(2)=65 f(x)= An expression using x as the variable. Simplify your answer.
asked by Mike 
math
a die is thrown twice, find the probability of getting two 5’s. Be sure to represent your answer as a fraction in simplest form!
asked by ella 
science
A substance has a halflife of 10,000 years and an initial mass of 1,000 grams. How many years will pass before only 250 grams of the substance's parent material is left?
asked by h 
English
1: Everyone homework should be handed in by noon A:Everyone's B:Everyones*** C:Everyones' 2: If you want the shirt, it is your. A:yours*** B:your's C:yours' 3: I bought this shirt in the women department. A:women's*** B:womens' C:Woman's 4: The girls
asked by marylyn 
Math
I need help to convert this expression in word problem not solution. Please help. Thanks! (5x2)x(3x15)
asked by Lauren 
statistics
In a study, 35% of adults questioned reported that their health was excellent. A researcher wishes to study health of people living close to a nuclear power plant. Among 14 adults randomly selected from this area, only 3 reported that their health was
asked by kelli 
micro economics II
prove the profit maximization of the consumer i.e mu=p according to cardinalist
asked by negash 
Math
The ratio of dogs to cats at an animal shelter is 3 to 2. How many dogs are at the shelter if there is a total of 30 animals?
asked by Gaby 
Chemistry
What is the positive valence of Sodium Sulfate? (Na2SO4)?
asked by Gello12 
Science
An electric pump has 2KW power.How much water will the pump lift every minute to a height of 10meter?
asked by Pratik 
Physics
Consider the figure above consisting of three particles of mass m attached to a massless rod. Given an axis of rotation through point P, the rod rotates as shown in the figure. If the rod is released from rest in the horizontal position at t = 0. What is
asked by Courtney 
English
From what point of view is a Midsummer Nights Dream narrated? Third person point of view
asked by Sue 
Math
I have done this problem converting numerical expression to word problem . Like (12x2)+(4x3) At arcade Jeff got 12 plushy for 2 coins each and 4 hand clapper for 3 coins each. Question asked how many coins he paid to buy all these toys? Answer is  36 Now
asked by Lauren 
Math
The average age of man and his son is 28 years the ratio of their ages 3 : 1 respectively what is the man's age
asked by Gowtham 
MATH MODELS
300 hundred people apply for three jobs. 120 of the applicants are women. (a) If three persons are selected at random, what is the probability that two are women? (B)If three persons are selected at random, what is the probability that one is a woman? (c)
asked by STACY 
Math
How many blocks are needed to build a stair step pattern that has a base of 10, a height of 10, and where each step is one block high and one block deep?
asked by Cons 
Chemistry
Is thw positive valence of AlCl3 1 or 3 why?
asked by Ash 
mat221
using the crowlings rule to determine appropriate dose of a certain medicine adult dosage is 500mg the age of the child is 7 years old what would be the correct dosage and than 300mg adult and 60 mg child to calculate childs age
asked by robin 
Math
The number 48 consists of how many distinct prime factors?
asked by Leon 
Chemistry
What is basic like NaOH,from the following? 1)CH3NH2 2)(CH3)2NH 3)(CH3)3N 4)[N(CH3)4]^(OH^) 5) 2,4,6aniline What is the reason?
asked by Thomas 
math
determine the largest number of four digits which is divisible by 18,25, and 35.
asked by faiq 
Math
In a laboratory, a certain culture of bacteria doubles every hour. If there are originally 20 bacteria in the culture, how many are present after 10 hours? 11 hours?
asked by Lan Pas 
Math
Two software companies are developing new android apps. The average profit per x hundred downloads earned by each company can be modelled by the rational functions below, where x > or equal to 0. Trance Media: G(x)=80x+150/x Ellen's incorporated:
asked by Caroline 
math
A journey between two towns,pitermaritzburg and Durban is exactly 90km use a graph to model how variation in time taken to complete the trip
asked by nompumelelo 
math
a rectangular courtyard is 57m 50cm long and 22 m board . determine the least possible number of square stones of the same size required to pave it ?
asked by faiq 
chemistry
what is diluted solution and concentrated solution?
asked by berry 
Math
It's suppose to be a rug is shaped like a rectangle who's perimeter is192 ft. The length is five times as long as the width. Find the length and width
asked by Priscilla 
Calculus
Given the graph of f'(x) with f(x) continuous on all reals, find the intervals f(x) is concave up and down and find the X values of the points of inflection. I did points 2 concave down to 2 then concave up 4.
asked by Joshua reynolds 
vocabulary
A poem that is told in an actual manner. A. Lyrics B. Ballad C. Sonnet D. Genre Thinking its B, am i correct
asked by heather 
Chemistry
Does SO2 also make Ca(OH)2 milk white in colour, like CO2?
asked by Beth 
Chemistry
Can we use O2 to identify NO and SO2 from each other? Is it because NO+O2>NO2; NO2  brownish gas and 2SO2+O22SO3;SO3blue in colour? Or what is the reason?
asked by Anna 
Math
If b is a positive integer, which of the following equals 3b^4? A) Radical *81b^56 B) Radical 9b^8 C) Radical 9b^16 D) 9 Radical b^16 E) None of the above
asked by Liesel 
Calculus
Given the graph of f'(x) with f(x) continuous on all reals, find the intervals f(x) is concave up and down and find the x values of the points of inflection.
asked by Joshua reynolds 
math
find the smallest number of five digits divisible by each of 16,24 and 30.
asked by faiq 
psychology of Education
How do a person become back? Or what is the main element disturbed in a person for him/her to be mad? And what causes madness.
asked by Felix 
I am in class7
Find the average of 89,90,95,72,83,100,94 with full formula
asked by Student 
Math
The first day on a March calendar is Saturday. the month of March has 31 days. On which day of the week is the last day of March?
asked by Cons 
Math
The amount of active ingredient of medicine ingested by the body, A in milligrams, is a function of time, t, in hours, given by A(t)=5/8(12tt^2). a)Determine the average rate of change of the amount of medicine ingested during each of the intervals below
asked by Caroline 
Math
If 2(58)^2 + 3(6+2)= 7x, what is the value of x A 2^2+1 B 3^2 3 C2^2 +3 D 2^3 E 3^2 Help please!!
asked by Jaymen