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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
512 views
A family has three children. Let y represent the value of males. What are the possible values of Y?
1 answer
2,027 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
1,350 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
859 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
799 views
Select the answer choice that most accurately evaluates whose equation is correct.
Tania is partially correct. The amount of
1 answer
473 views
Ericka had 7 jars of jelly, and each was 2/5 full. How much jelly did she have?
1 answer
439 views
The price of a pair of trousers was decreased by 22% at $30. What was the original price?
2 answers
977 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
603 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
1,296 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
1,195 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
962 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
830 views
Conditional Proofs
1. P>Q 2. R>Q conclusion is (PvR)>Q
0 answers
379 views
if one person is infected and five successive handshakes follow, how many are infected?
1 answer
412 views
explain why lysogenic conversion poses a threat to human health
1 answer
457 views
what is one advantage of using e. coli to study bacterial growth rates?
0 answers
430 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
520 views
Tim deposits $10 every month into retirement account which averages 18% interest compounded monthly. How much will be in this
0 answers
513 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
592 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
582 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
648 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
572 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
626 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
622 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
759 views
Tim deposits $10 every month into a retirement account which averages 18% interest compounded monthly. How much will be in this
1 answer
572 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
598 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
3,447 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
524 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
549 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
890 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
2,885 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
1,565 views
what is z effective?
Rb+ Al3+ Mg2+ Na+ out of this set which ion is the smallest? which is the largest?
1 answer
612 views
How many different N-O bond lengths would you expect to observe in the actual structure of NO3− and why?
1 answer
447 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
1,575 views
what is the hybridization of each atom for hydrocyanic acid?
1 answer
763 views
what is the lewis structure for N-bromosuccinimide?
3 answers
1,176 views
Calcium can also be precipitated out of the solution by adding sodium phosphate (Na3PO4) to form solid calcium phosphate.
A.)
3 answers
765 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
435 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
2,291 views
can we consider breaking the glass menagerie twice in the play of " The Glass Menagerie" by Tennesse William a framing device??
0 answers
1,022 views
what are the literay techniques found in a play, a novel, a short story or a poem ?
1 answer
845 views
how to narrow down a topic about the Egyptian Revolution of 25 January for an argumentative essay??
1 answer
1,051 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
475 views
I saw a young girl (stealing, stole, steal, steals) something from the shop.
which answer should it be and why?
1 answer
580 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
520 views
Four candidates are running for president of the student council. three other candidates are running for vice-president. how
1 answer
925 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
711 views
What is the median of this set?
{π, √25, 15%, √15, 10/4}
1 answer
402 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
464 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
4,934 views
Hi, what is the gradient of a line that has an angle of inclination of 75°?
Any help appreciated
1 answer
743 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
2,731 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
1,028 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
1,420 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
440 views
using the financial statements of landry's restaurant located in appendix a of the text fundamentals of financial accounting 1st
3 answers
1,104 views
State the main points of the Central Limit Theorem for a mean.
1 answer
920 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
904 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
506 views