Questions Asked on
July 26, 2017

prealgebra
Justin wants to use 376 ft of fencing to fence off the greatest possible rectangular area for a garden. What dimensions should he use? What will be the area of the garden? A. 89 x 99; 8811 ft B. 92 x 96; 8832 ft C. 94 x 94; 8836 ft D. 93 x 95; 8835 ft
asked by heather 
math
a. A rectangular pen is built with one side against a barn. 1200 m of fencing are used for the other three sides of the pen. What dimensions maximize the area of theâ€‹ pen? b. A rancher plans to make four identical and adjacent rectangular pens
asked by Anonymous 
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 
health
Americans spend almost _______ percent of their food budget on foods prepared away from home. A. 20 B. 30 C. 40 D. 50 Thinking it would be B.
asked by heather 
Chemistry
A solution contains I, Br and OH ions. If Ag+ is added, what will the precipitate(s) be?
asked by Mo 
maths
An Article is Advertised for 262.50 dollars inclusive of a 5% GST . find the orignal price
asked by ghilman 
statistics
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. While it is an uncommon confidence level, find the critical
asked by Denise 
Civics
"Man is the only creature that consumes without producing. He does not give milk, he does not lay eggs, he is too weak to pull the plough, he cannot run fast enough to catch rabbits. Yet he is lord of all the animals. He sets them to work, he gives back to
asked by Warrs_Farris 
Archimedes principle
An iron piece of mass 360g and a density of 6g/cm^3 is suspended by a rope so that is partially (halfway)in oil of density 0.9 g/cm^3.Find the tension (force) in the string.
asked by Emmanuel 
physics
A ball is dropped from a cliff and 2 seconds later, a second ball is thrown vertically downward. What must be the initial velocity of the second ball if it overtakes the first ball as it passes 400m ?
asked by Rob 
chemistry
Why lattice energy of lithium chloride is more exothermic than that of sodium chloride.
asked by Sabrine 
Math
A movie theater charges $5 admission for an adult and $3 for a child. If 700 tickets were sold and the total revenue received was $2900, how many tickets of each type were sold?
asked by Vincent 
math
the debit amount to payroll tax expense represents: A. the employers portion B. the employees portion C. Both D. None of the above. I choose A, but thinking D. Please Help. thanks
asked by NeNe 
English
This is a men jacket A:men's*** B:Mens C:mens's The cat hid it kittens under the stairs A:its*** B:it's C:its' I opened an account at the Savings Bank Main Office A:Savings Banks B:Savings Bank's*** C:Savings Banks' Are these correct?
asked by marylyn 
Algebra
Write the function rule for the total cost in dollars of gasoline if w gallons of gasoline for $6 per gallon
asked by Frida 
Literature and the arts
What was the American small town like?
asked by JEFF 
geometry
The two nonparallel sides of an isosceles trapezoid are each 7 feet long. The longer of the two bases measures 22 feet long. The sum of the base angles is 140°. a. Find the length of the diagonal. b. Find the length of the shorter base. Round your
asked by Bob 
calculus
One bicycle is east of an intersection , and it is travelling towards the intersection of 9 miles per hour. at the same time a second bicycle is south of the intersection , and it is travelling away from the intersection at the rate of 10 miles per hour.
asked by uGinn 
Maths ( arthmetic )
The fourth term of an AP is 10 and eleventh term of it exceeds three times the fourth term by 1. Find the sum of first 20 terms.
asked by Sania 
Chemistry
50 liters cylinder is filled with Ar gas to a pressure of 10130KPa at 30C. How many moles of At gas are in the cylinder
asked by Evans 
Math
A certain deck of cards consists of only 10's, Jacks, Queens, and Kings, and is divided up evenly in a 52 card deck. what is the probablity of NOT drawing a jack? HELP ASAP!!!!!!!
asked by May 
chemistry
Write balanced equations to show the thermal decomposition of calcium nitrate and sodium nitrate.
asked by Sabrine 
geometry
George plans to cover his circular pool for the upcoming winter season. The pool has a diameter of 20 feet and extends 12 inches beyond the edge of the pool. A rope runs along the edge of the cover to secure it in place. a. What is the area of the pool
asked by Bob 
chemistry
The electronic configuration of manganese is: 1s22s22p63d54s2. a)What is the maximum oxidation state of manganese? b)Explain how the electronic configuration shows that Mn is a transition element
asked by Sabrine 
physics
A rotating platform is on a table and an object is on the platform. The platform has a diameter of 30.0cm and it has a string wrapped around it. The string is threaded over a pulley ( which is right next to the platform and attached to the edge of the
asked by Adam 
Chemistry
If we wish to find the molar mass of a pure solid organic compound, which measurement would be most useful and why? A)melting point of the solid B)melting point depression of the mixture of the solid with 1,4dichlorobenzene C)Heat of combustion
asked by Shenaya 
Math
Train A leaves Romeoville at 8:00 am traveling at 55 mph toward Julietteville. Train B leaves Julietteville at the same time heading toward Romeoville at 35 mph. If the distance betweent the two towns is 337.5, what time do the two trains pass each other?
asked by Sanya 
Chemistry
What makes the strongest cation in water? Al Na Fe K Mg I know that the OH^ ions from water are enough for the Al(OH)3 and Fe(OH)3 precipitates to appear and we've been taught that K,Na compounds are soluble in water too. And Mg(OH)2 needs a higher OH^
asked by Josh 
calculus
A spherical balloon , initially inflated to a volume of over 30000 cubic meters, springs a leak which causes the radius to decrease at a rate of 2 meters per minute. At the instant when the radius is 3 meters , how fast ( in cubic meters per minute ) is
asked by Help please 
Math
The average income of Ironville, Pennsylvania, is 24,000 a year. A new mill has brought in sic new incomes that increase the average to 32,000. If there were initially eight incomes in Ironville, what is the average income of six new families? Its 192,000
asked by Jayson 
number theory
The values A,B,C, and [(A/B)+C], are all integers which are divisible by 3. Then, which of the following statements must be true: A is divisible by 9 B is divisible by 9 C is divisible by 9 A and B are both divisible by 9 A,B,and C are all divisible by 9
asked by unowen 
science
if the same 1.0 kg book is lifted to 0.5 meters above the table, but the table top is 1.0 meters above the floor,, what would be the potential energy of the book if the reference level were the floor??
asked by aira 
maths
A car runs 18 km using 1 litre of petrol. How much distance will it cover using 7 1\4 litres of petrol ?
asked by Ammula sir chandana 
math
the diameter of two circles are in the ratio of 2:3. Find the area of the smaller circle if the area of the larger circle is 63pie square meters
asked by Unkown 
English
In this exercise Use the word given in capital to some word that fits in the gap in the same line. DECISION  When I first met Steve, our senior manager, he seemed to me rather impatient and somewhat (indecisive) especially when it was necessary to take
asked by ELIZABETH 
biostats
what 4 values do i need to enter into a box plot graph calculator? median and what else Thanks
asked by maria 
Math
An amusement park sells 25 cent, 50 cent, and $1 tickets and a teacher purchases $32.50 worth of tickets. A student remarks that there are twice as many 50 cent tickets as there are $1 tickets and that the number of 25 cent tickets is 30 more than the
asked by Vincent 
Math
A reatil outlet is having a clearance sale on all the shoes in its inventory over a period of four days. On the first day it sells 1/4 of its inventory, on the second day it sells 1/2 of the remaining inventory , and on the third day it sells 1/6 of the
asked by Max 
english
what are these ? some may have two correct answers . something that a: keeps us warm at night. b: we can see ourselves c: we can use to stir tea. d: we can use to cut with e: we wear on our heads. e: we eat off
asked by faiq 
Algebra math
if a number is subtracted twice its reciprocal, the result is 23/5. what is the number?
asked by Ash 
english
The suffix est means: A. more B. most C. alot D. many Thinking the answer b.
asked by heather 
chemistry
Between magnesium carbonate and calcium carbonate, which one is more thermally stable? Explain your answer.
asked by Sabrine] 
chemistry
Between magnesium carbonate and calcium carbonate, which one is more thermally stable? Explain your answer.
asked by Sabrine 
Math
If 1/3 of a gallon of paint covered 3/5 of the room I was painting, how much paint (gallons) would it take to cover the entire room?
asked by Michele 
MATH
two pump can individual fill the tank in 10 hours and 12 hours respectively while a third pump empites the full tank in 20 hours.If all the three pump are run simultaneously,in how munch time will be the tank be filled?
asked by pb 
Chemistry
Why can't we apply Kd directly to a equilibrium solution of CCl4 and H2O,with CH3COOH dissolved? Do CH3COOH form polymers in CCl4? or are their single molecules of CH3COOH in CCl4?
asked by Shenaya 
Chemistry
If we are given the ksp of AgCl at 14°C and 42°C,how do we find the ∆H° for the dissociation of AgCl(s)?
asked by Shenaya 
Mathcollege
(x + 3)(x 4) < 7, Why is this incorrect statement? I know the reason this is incorrect is because you cannot set each part equal to 7. Is there a more detailed reason? Thank you for the help.
asked by Mike 
science
The oxidation number of cr in cr^3 is?
asked by Raksha 
math
voters 150 candidate 1 has 46% candidate 2 has 30% undecided 24% if undecided given half to candidate 1 and half to candidate 2. how much left with undecided
asked by tarandeep 
math 10
James can store 8 GB of music on his phone. If a 3min digital song requires 3.5 MB of storage space, what are the domain and range for the relationship between memory used and number of songs that are each 3 min in length?
asked by phoebe 
Math
9a to the 4th power squared
asked by Joe 
civic education
youth empowerment skills
asked by ali 
problem solving
I think of a number, multiply by 4, subtract 6 and then divide by 5. If the answer is 10, what is the original number? (4x  6) / 5 = 10
asked by Siamaka 
chemistry
What is the energy of electron 4th exicted state of of be3+ ion if energy of electron in ground state
asked by shivraj singh 
math
what is 7/8 of 64?
asked by Anonymous 
physics
a body is thrown vertically upward fron a certain height of pole and their velocity is 100m/s and then it returns to the ground in 6second then find the height of the pole ?
asked by Aryan 
education
what process should a research use to determine the value of classroom management to program participants?
asked by joy 
math
If sec a=cos a + sin a how do we prove that cos 2a= [tan(pi/2  a) ]^2 ?
asked by Aanya