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Mai
Questions (62)
EMPERATURE A thermometer is guaranteed to give a temperature no more than 1.2°F from the actual temperature. If the thermometer
2 answers
574 views
A family has three children. Let y represent the value of males. What are the possible values of Y?
1 answer
2,072 views
When I round 6396 to 3 significant figures, I get 6400. I was double checking my work and used scientific notation for 6400,
2 answers
1,420 views
Four people working independently on an assembly line all perform the same task. The time (in minutes) to complete this task for
0 answers
926 views
1.
a) On Wednesday, Harry sold 3 times as many candy bars as on Tuesday. On Thursday, he sold 5 times as many bars as on
1 answer
859 views
Select the answer choice that most accurately evaluates whose equation is correct.
Tania is partially correct. The amount of
1 answer
522 views
Ericka had 7 jars of jelly, and each was 2/5 full. How much jelly did she have?
1 answer
489 views
The price of a pair of trousers was decreased by 22% at $30. What was the original price?
2 answers
1,027 views
The price of an item changed form $140 to $100. Then later the price increase again from $100 to $140. Which of the two changes
1 answer
651 views
Two pipes are connected to the same tank. When working together, they can fill the tank in 12 hrs. The larger pipe,
2 answers
1,357 views
Airplane A travels 1400
km at a certain speed. Plane B travels 1000 km at a speed 50 km /h faster than plane A in 3 hrs less
2 answers
1,262 views
During the first part of a trip, a canoeist travels 28
miles at a certain speed. The canoeist travels 9 miles on the second
2 answers
1,022 views
If an object is thrown downward with an initial velocity of
v0, then the distance it travels is given by s=4.9t sqrt 2 +v v0t.
1 answer
886 views
Conditional Proofs
1. P>Q 2. R>Q conclusion is (PvR)>Q
0 answers
428 views
if one person is infected and five successive handshakes follow, how many are infected?
1 answer
448 views
explain why lysogenic conversion poses a threat to human health
1 answer
510 views
what is one advantage of using e. coli to study bacterial growth rates?
0 answers
470 views
e. coli 0157 is a pathogen that cannot ferment sorbitol, a sugar alcohol, to acid whereas the E. coli in our GI tract, a member
0 answers
585 views
Tim deposits $10 every month into retirement account which averages 18% interest compounded monthly. How much will be in this
0 answers
572 views
Earl Watkins is ready to retire and has saved up $250,000 for that purpose. He places all of this money into an account which
0 answers
664 views
Andy needs to pay off a loan of $18,000 in 5 years. Find the amortization payment he would need to take each semi-monthly pay
0 answers
639 views
Angie needs to have an annuity payment of $1,300 at the end of each year for the next 10 years. How much should she deposit now
1 answer
701 views
Earl Watkins is ready to retired and has saved up $250,000 for that purpose. He places all of this money into an account which
1 answer
637 views
Angie needs to have $15,000 at the end of 6 years. How much should she deposit weekly into an ordinary annuity if it earns 6.5%
1 answer
680 views
Chris and Carol just bought a $14,000 van and financed it for 5 years at 7% interest. What are the monthly payments?
3 answers
677 views
Young and Company owes bond holders $5,500 interest at the end of each quarter for the next five years. How much they deposit
1 answer
810 views
Tim deposits $10 every month into a retirement account which averages 18% interest compounded monthly. How much will be in this
1 answer
629 views
Barbara invested $12,300 at the Midtown Credit Union at 6% compounded monthly for 7 years.
What is the effect rate of this
1 answer
652 views
If 0.50L of gaseous CH4 is burned at STP, what volume of O2 is required for complete combustion?
Methane burns in oxygen to
1 answer
3,567 views
If a particular reaction evolves 192 kJ of heat while expanding from 1.00 L to 2.00 L at 125 atm of pressure, what is the
1 answer
591 views
If a particular reaction absorbs 252 kJ of heat while doing 105 kJ of work at constant pressure. What are the ΔE and ΔH for
3 answers
618 views
Joe and Sue invested $1500 at Bank America in 2000, at 4% compounded quarterly. In the year 2005
they moved to another city and
1 answer
975 views
A piece of metal weighing 5.10g at a temperature of 48.6 degree Celsius was placed in a calorimeter in 20.00 mL of water at 22.1
1 answer
2,967 views
the lattice energy for MgCl2 is -2326 kj/mol, which is much higher than that for NaCl which has a lattice energy of -786 kj/mol.
3 answers
1,667 views
what is z effective?
Rb+ Al3+ Mg2+ Na+ out of this set which ion is the smallest? which is the largest?
1 answer
661 views
How many different N-O bond lengths would you expect to observe in the actual structure of NO3− and why?
1 answer
499 views
what are the favored geometrical arrangements for abn molecules which the A atom has 2, 3, 4, 5 and 6 pairs of electrons in its
5 answers
1,636 views
what is the hybridization of each atom for hydrocyanic acid?
1 answer
823 views
what is the lewis structure for N-bromosuccinimide?
3 answers
1,227 views
Calcium can also be precipitated out of the solution by adding sodium phosphate (Na3PO4) to form solid calcium phosphate.
A.)
3 answers
838 views
Based on your titration of the 150ppm standard solution of Ca2+ calculate the molarity of the EDTA solution we used, which is
Ca2
1 answer
506 views
An air conditioning salesperson receives a base salary of $2850 per month plus a commission. The commission is 2% of the sales
2 answers
2,381 views
can we consider breaking the glass menagerie twice in the play of " The Glass Menagerie" by Tennesse William a framing device??
0 answers
1,093 views
what are the literay techniques found in a play, a novel, a short story or a poem ?
1 answer
902 views
how to narrow down a topic about the Egyptian Revolution of 25 January for an argumentative essay??
1 answer
1,109 views
"The boat is made of paper." Why is the made in the past tense in this sentence? What kind of grammar is this?
2 answers
528 views
I saw a young girl (stealing, stole, steal, steals) something from the shop.
which answer should it be and why?
1 answer
637 views
Explain how you would use the power integration formula to integrate the function f(x) = (1/x^2)-(1/x)+(1/4).
2 answers
575 views
Four candidates are running for president of the student council. three other candidates are running for vice-president. how
1 answer
990 views
There are fifty marbles in a
sack: red, blue and green. There are ten more green than blue marbles in the sack. The probability
5 answers
763 views
What is the median of this set?
{π, √25, 15%, √15, 10/4}
1 answer
453 views
The mean weight of 75 2nd graders is 55.7 lbs and
the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the
1 answer
525 views
Calculate q when 0.10 g of ice is cooled from 10 degrees C to -75 degrees C (C ice= 2.087 J/ g* K)
1 answer
4,988 views
Hi, what is the gradient of a line that has an angle of inclination of 75°?
Any help appreciated
1 answer
794 views
The relation between the # of time in days, D, it takes for a planet to revolve around the Sun is related to the planer's
3 answers
2,802 views
I need help on this homework problem and I do not understand how to work on it. Please help me with this problem.
The
3 answers
1,096 views
Hi there, I need help on my homework for chemistry and I do not understand the step on how to work this problem out. Please help
2 answers
1,499 views
Can someone help me to answer this question please. What is the sequence of the last anticodon? What is its corresponding codon
0 answers
490 views
using the financial statements of landry's restaurant located in appendix a of the text fundamentals of financial accounting 1st
3 answers
1,184 views
State the main points of the Central Limit Theorem for a mean.
1 answer
970 views
Compare the functions of a normal cell and that of a cancer cell with regards to cell division. Discuss the cell cycle control
1 answer
991 views
There are two questions that I am having trouble with
one says Emily wants 400 ml of a solution that is 11% HC1. If she has only
1 answer
570 views