Saturday
July 23, 2016

Posts by Mike

Total # Posts: 3,603

Math
Calculate the length of fencing needed to enclose a yard measuring 107' by 160'?
October 2, 2015

algebra
Benjamin has $7.40 in change in his pocket, all in dimes and quarters, he has 44 coins in all. How many dimes does he have?
October 1, 2015

applied problems with fractions
For the food drive, the 5th grade has a goal of collecting half a ton of canned goods.
October 1, 2015

Physics
Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The front runner has a velocity of 3.50 m/s, and the second a velocity of 4.20 m/s. (a) What is the velocity of the second runner relative to the first? (b) If the front runner is 250...
October 1, 2015

Physics
A hockey player is moving at 7.00 m/s when he hits the puck toward the goal. The speed of the puck relative to the player is 32.0 m/s. The line between the center of the goal and the player makes a 90° angle relative to his path as shown in Figure 3.30. What angle must the...
October 1, 2015

Physics
Select the motion diagram that corresponds to each of the four situations. E.g., if diag. A corresponds to the first situation, diag. C to the second, and none of the diagrams to situations 3 and 4, enter ACNN. Note that the velocity and acceleration vectors are shown; both ...
September 29, 2015

Physics
A rock is projected vertically upward with a velocity of 58.0 m/s. How many metres will it pass over in the third second of its upward travel ?
September 26, 2015

english
nevermind the answer's d.
September 26, 2015

english
is the answer b.
September 26, 2015

english
Which word in the sentence is the predicate nominative? Next Monday should be a federal holiday. A. federal B. Monday C. next D. holiday
September 26, 2015

Astronomy/Moon
I understand a Tidal Cycle (new moon to new moon) averages about 29 Days 12 Hours 44 Minutes and 2.8 Seconds. It would therefore be reasonable to assume that the average time from Spring Tide to Neap Tide and vice versa will be 25% of the above (about 7 days 9 hours. As all ...
September 24, 2015

Science
A scientist was studying the effects of oil contamination on ocean seaweed. He thought that oil runoff from storm drains would keep seaweed from growing normally so he decided to do an experiment. He filled two tanks of equal size with water and monitored the dissolved oxygen ...
September 22, 2015

SS
A scientist was studying the effects of oil contamination on ocean seaweed. He thought that oil runoff from storm drains would keep seaweed from growing normally so he decided to do an experiment. He filled two tanks of equal size with water and monitored the dissolved oxygen ...
September 22, 2015

chemistry
Gaseous butane CH3CH22CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 36.0 g of butane is mixed with 41. g of oxygen. Calculate the minimum mass of butane that could be left over by the chemical reaction.
September 21, 2015

Math
thank you Ms. Sue. But how did you arrive to 13*12? can you please explain - i did not understand
September 15, 2015

Math
A group of 13 friends were planning a trip. On night before they made lot of phone calls. Each friend talked to every other friend atleast once. what is fewest phone calls that can be made?
September 15, 2015

Algebra
You improve your time running a course by 5 seconds in week one, by 3 seconds in week two, and by 4 seconds in week three. What is the average weekly change in your running time? Can anyone help me with this problem pls.. Thanks
September 15, 2015

Algebra
My answer in # 1 is 6 2. -6, +3
September 15, 2015

Algebra
1. -10+(-2)(-2)(-2)/(-3) = 6 2. Find the next two numbers in the pattern. -96,48,-24,12,... My answer 6,3
September 15, 2015

physics
Two point charges of +30μC and -10μC are separated by a distance of 10cm. What is the magnitude of electric field due to these charges at a point midway between them? (k = 9 × 109 N · m2/C2)
September 10, 2015

Algebra
Thank you so much Ms. Sue😊
September 2, 2015

Algebra
B. 33 C. Long beach, ca. Please check my answer.. Thanks
September 2, 2015

Algebra
City Highest Lowest Elevetion(ft) elevation(ft) Long Beach,Ca. 360 -7 New Orleans,Ca. 25 -8 1. The table shows the highest and lowest elevetions for two cities. A. Find the range of elevetions for Long Beach. B. Find the range of elevations for New Orleans. C. One of the ...
September 2, 2015

Math
Solve the inequality and express the solution in terms of intervals: x-2/3x+5 ≤ 4 This is how I did it: x-2/3x+5 - 4(3x+5) ≤ 0 x-2-12x-20/3x+5 ≤ 0 -11(x+2)/3x+5 ≤ 0 Can you please tell me if the answer is right and if so then how do we express the ...
September 1, 2015

Physics
Glycerin is poured into an open U-shaped tube until the height in both sides is 18 cm . Ethyl alcohol is then poured into one arm until the height of the alcohol column is 18 cm . The two liquids do not mix. What is the difference in height between the top surface of the ...
September 1, 2015

chemistry
1 A metal X that raects with metal Y in a solution of Y but does not react with Z in a solution of Z means that --------------. Metal Y is the least reactive Metal X is the least reactive Metal Z is the least reactive Metal Y and metal Z have equal reactivity 2 Oxidation can ...
August 24, 2015

chemistry
thanks for the reply, I just want to confirm my answer maybe is correct or not, just do it for me thanks
August 24, 2015

Percentage
I just got a 3% merit pay increase to my current rate of $20 an hour. How much will my hourly rate be now?
August 21, 2015

Life Orientation
In about one page describe a recent service delivery protest in your community and in neighbourhood
August 19, 2015

science
Experiments cannot validate hypotheses, only falsify them. The statement above can be restated in which of the following ways? A. Until disproved, an explanation for an observation is valid. B. Certain concepts cannot be subjected to direct experimentation. C. A hypothesis ...
August 19, 2015

science
Which of the following nitrogenous bases is found exclusively in DNA? A. Adenine B. Cytosine C. Guanine D. Thymine i think it's D
August 19, 2015

science
I think its adaptation but selection can also be considered.
August 16, 2015

science
Giraffes have long necks that allow them to reach more food sources in their habitat. The long neck trait is an example of A. selection. B. adaptation. C. radiation. D. homology.
August 16, 2015

word problems
I don't know what to do
August 16, 2015

math
A tire company manufactures 50 tires an hour with its current staff. The company can make 10 extra tires per hour for every extra worker it hires. Which of the following equations represents this relationship mathematically, with x being the number of extra workers hired and y...
August 16, 2015

math
A tire company manufactures 50 tires an hour with its current staff. The company can make 10 extra tires per hour for every extra worker it hires. Which of the following equations represents this relationship mathematically, with x being the number of extra workers hired and y...
August 16, 2015

math
Is all there is. Ms. Sue
August 16, 2015

math
Beggining balance: 1,451.50 Date credits debits 4/01 $455.10 4/01 $21.00 4/02 89.15 4/05 15.45 4/05 $50.00 4/07 $18.20. Which of the following is the balance in this account at the end of the day on April 7? A. 361.30 B. 802.60 C. 1,090.20 D. 1,812.8
August 16, 2015

math
2 5/8+ 1/3 Simplify the expression above. Which of the following is correct? A. 7 7/8 B. 1 1/7 C. 7/8 D. 8/63
August 16, 2015

math
At a used car dealership, the first determinant in the price of the car is the model, followed by the mileage and the age of the car. Which of the following is the dependent variable? A. price B. model C. mileage D. age I think its B because the model determines the price of ...
August 16, 2015

advance function
tan^2x/sin^2x=1+tan^2x
August 10, 2015

Math
how do you solve this, its about rational expressions ?? 4 2 -------- + -------- X^2–4x+1 x^2-1
July 30, 2015

Math
how do you solve this, its about rational expressions ?? 4 /X^2 – 4x+1 + 2/ x^2 -1
July 30, 2015

College Psychology
can some one explain it to me why life started in prenatal development??
July 21, 2015

math
A motorist travels 120 miles to his destination at an average speed of 60 miles per hour and returns at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour. What is his average speed for the entire trip
July 11, 2015

physics
A ball is thrown at 22m/s at 45 degrees to the horizontal. a fence 5 feet tall is located 100 meters away. Does the ball make it over the fence?
July 11, 2015

Science
So it would be 6.4/16.05=.40 then I would do .40(-890.23)=-354.98
July 9, 2015

Science
Nevermind I realized what I needed. Thanks!
July 9, 2015

Science
I would have an answer for X, but I am confused who to approach a)
July 9, 2015

Science
The combustion of methane in a laboratory burner is represented by the following equation: CH4 + 2 O2 > CO2 + 2 H2O Given the following three thermochemical equations: C + H2 > CH4 H=-74.87kJ C + O2 > CO2 H= -393.5 2 H2 + O2 > 2 H2O H=-571.6 a) Determine the molar ...
July 9, 2015

Science
I was trying to keep sig figs. If I were trying to do it my way, I would just multiply 1.33 by 285.8 and that would get me the same answer(almost) at 380.11. Yours is 381.07
July 9, 2015

Science
would I multiply my answer from 1.3(285.8) by 2 then?
July 9, 2015

Science
The enthalpy change for the reaction 2 H2 + O2 > 2 H20 is -571.6 kJ. Determine the enthalpy change for the decomposition of 24.0g H2O. My Process -571.6 is the enthalpy of 2 mols of H2O. So the enthalpy of 1 mol of H2O will be -285.8. Since it's decomposition, -285.8 ...
July 9, 2015

Science
AHH! I accidentally put 2 mols for N2 instead of 1 I see now
July 9, 2015

Science
I got 11.8 for A and 14.15 for B
July 9, 2015

Chemistry
what does N equal? Is that the number of mols?
July 9, 2015

Algebra
Solve (log base{3} +(log_{3} x)) = -1. x =
July 1, 2015

Calculus
Ferris wheel has radius of 26m. At what rate is the rider's height increasing, when rider is 25 m from ground.
June 21, 2015

english comp2
Which thesis statement is the strongest? A. The most effective way to create jobs, in my opinion, is through government-supported programs aimed at renewing the nation’s infrastructure. B. I think the most effective way to create jobs is through government-supported ...
June 7, 2015

Computers
I don’t think piracy should be legal because people on the Internet are copyrighting other works from movies. I believe that copyright should be private of all companies that make and produce movies and shows. Piracy is theft, you’re stealing copyrighted work. You&#...
June 4, 2015

cardiorespiratory fitness
the best time to exercise is
May 20, 2015

math
how many square feet to carpet a rectangular floor that measures 24 by 19 feet?
May 18, 2015

Chemistry
For half reactions, is the equilibrium sign used? example: Zn --->Zn^2+ + 2e^- (just arrow) OR Zn <---> Zn^2+ + 2e^- (equilibrium sign)
May 14, 2015

chemistry: electrochemistry unit
The red wire on a voltmeter is the cathode and the black is the anode. This would also give a positive reading on the voltmeter. How would I explain why this is?
May 14, 2015

7th of 850.000 dollars
hi steve please help me dont now how to figure this ,--- a 7th of 850.000 dollars what would my part be thank you michael
May 10, 2015

economics
3. The following facts characterize the furniture industry in the United States:39 a. The industry has been very fragmented, so that few companies have the financial backing to make heavy investments in new technology and equipment. b. In 1998, only three U.S. furniture ...
May 3, 2015

stats
If a widget's reliability is represented by an exponential distribution with beta = 75 (weeks). What is the 50% life expectancy – e.g. the length of time where the reliability = 50%?
April 27, 2015

Chemistry
Need some direction.. where do I start? Vinegar is a 5% (mass/mass) solution of acetic acid in water. If vinegar has a density of 1.06 g/mL, what is the concentration in molar?
April 25, 2015

Managerial accounting
well, I am doing direct material budget, and already have my production budget. for example for the quarter, for January I get 950, and cost for Direct material it says to be $8/unit, but it does not say the units need for production, so im confused. normally you will multiply...
April 22, 2015

math
what the heck does it mean
April 20, 2015

Science
Use the following equation: CO(g) + 2H2 (g)= CH3OH(g) delta H = -21.7 kcal Which direction will the reaction proceed after some of the methanol vapor is condensed and removed from the reaction vessel? please help im getting so confused on the directions of the reactions
April 16, 2015

science
An increase in temperature will create what type of shift in the following equation: 2SO3 = 2SO2+ O2 delta H = +197 kJ/mol? Wouldn't it be a shift right because there is heat involved?
April 16, 2015

math
I can't figure this one. At a math contest,12 problems were given. Five points were awarded for each correct answer,and two points were deducted for each incorrect answer. Matt's score was 39.How many correct answers did he have.5-2(12-5)=39,5-24+2=39,7=63,9
March 31, 2015

math
5-2(12-5)=39 5-24+2=39 7=63 9 Am I doing this right
March 31, 2015

math
I need a formula. At a math contest,12 problems were given. Five points were awarded for each correct answer, and two points were deducted for each incorrect answer. Matt's score was 39. How many correct answer did he have
March 31, 2015

Math
There is a test with 10 questions. Each question has a choice of three answers, but only one answer is correct. How many ways are there to fill out the test? By the way, we are learning combinations and permutations
March 30, 2015

Physics
a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 212 m. If the red car has a constant velocity of 23.0 km/h, the cars pass each other at x = 44.2 m. On the other ...
March 29, 2015

geometry
In quadrilateral QRTS, we have QR = 11, QS = 9, and ST=2. Sides line RQ and line ST are extended past Q and S, respectively, to meet at point P. If PS = 8 and PQ = 5, then what is RT?
March 28, 2015

MATH
Sam invested part of his 36,000 bonus in a fund that paid an 8% profit and invested the rest in stock that suffered a 5% loss find the amount of each investment if his overall net profit was 2,750
March 26, 2015

Help with Psychology Homework
6) Your textbook defines personality as
March 24, 2015

physics(Please respond)
if a rock is dropped into a well and it takes 17 seconds to hit the water how far down is the water level from the top of the well
March 13, 2015

Criminal Justice
Planned, premeditated killings of family members whose behavior is judged to have brought shame or dishonor to the family are referred to as:
March 13, 2015

math
If Benjamin drove at a constant rate, how many milesper hour did he drive?
March 10, 2015

math
Is sin function continuous?
March 4, 2015

math
dick bich
March 3, 2015

Calculus I
A spherical balloon is inflated at a rate of 10 cm^3/min. How fast does the radius change when the radius is 20 cm? Need help with set up and work through of problem.
March 2, 2015

Calculus I
Sand falls from a hopper into a conical pile with radius equal to half its height. The sand is poured at a rate of 3 m^3 each minute. How fast is the radius increasing after 10 minutes? Need help with the set up and work through of the problem.
March 2, 2015

CHemistry
What is the pH of the resulting solution when 0.20 mole of NaF and 0.05 mole HCl are added to 100 mL water? The Ka for HF is 3.95x10^-4M
March 1, 2015

campbell drive
Tickets cost $8.00 each for adults and $2.50 each for kids, and the group paid $46.50 in total. There were 6 fewer adults than kids in the group. Find the number of adults and kids on the trip. # of adults = # of kids =
February 27, 2015

computers
You have inserted an image within a paragraph of text in a Word 2007 document. You want the edges of the image to fade into the document. How do you accomplish this?
February 25, 2015

science
CAN ONE IN THEORY OR ACTUAL DEPRIVE A PARTICULAR AREA OF SPACE; 1sq mile of space of oxygen while the surrounding area of space has normal levels of oxygen?.... This question is not limited by the use of other chemicals or machinations to achieve GOAL....
February 24, 2015

Math
Stuck on solving for unknowns in part F and G help please? a) the upper loop 1 18I12+ 13I18=30 (b) the lower loop 2 =5.00I36 - 18I12= 24 (c) the node on the left side 3 I12+I36=I18 (d) Solve the node equation for I36. 4 I12 - I18 =I36 e) Using the equation found in (d), ...
February 23, 2015

physics
Stuck on solving for unknowns in part F and G help please? a) the upper loop 1 18I12+ 13I18=30 (b) the lower loop 2 =5.00I36 - 18I12= 24 (c) the node on the left side 3 I12+I36=I18 (d) Solve the node equation for I36. 4 I12 - I18 =I36 e) Using the equation found in (d), ...
February 23, 2015

physics(waves)
convert your milliseconds 0.28 into seconds first then do as you done. Converting will give you .28x10^-3
February 23, 2015

physics
Three identical charges (q =4.3 µC)lie along a circle of radius 1.9 m at angles of 30°, 150°, and 270°, as shown in the figure below. What is the electric field at the center of the circle? I THOUGHT IT WOULD BE ZERO BUT MY PROF TELLS ME THAT'S WRONG WHY?
February 18, 2015

water dynamics
a projectile 20ft in lentgh 4-6 thousand lbs traveling @ 100mph @ 100ft below water surface can be stopped and/or have said projectile change its course by using how many pounds of water preasuure to achieve goal? And what are the approximate dimensions of water preassure ...
February 11, 2015

Math
40 degrees
February 9, 2015

Chemistry
No because i have no idea where your "answer below" is
February 6, 2015

Chemistry
A tetrahedral site in a close-packed lattice is formed by four spheres at the corners of a regular tetrahedron. This is equivalent to placing the spheres at alternate corners of a cube. In such a close-packed arrangement the spheres are in contact and if the spheres have a ...
February 6, 2015

Chemistry
A tetrahedral site in a close-packed lattice is formed by four spheres at the corners of a regular tetrahedron. This is equivalent to placing the spheres at alternate corners of a cube. In such a close-packed arrangement the spheres are in contact and if the spheres have a ...
February 6, 2015

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