Monday
July 28, 2014

Posts by Mike


Total # Posts: 3,156

ALGEBRA
Fill in the blanks. (Round your answers to the nearest dollar.) Interest Principal Rate Time Future Value

Foreign languages
I left out this short paragraph. Could you please check it? 1) I really hope everthing is Ok with you. My students are really looking forward to starting the email partnership. I would be therefore be extremely grateful to you if you could let me have all the email adresses by...

trig
(sec6x+sin2x)/(sin6x-sin2x)=tan4xcot2x

chemistry
1 _____is defined as one-half of the distance between the nuclei of two adjacent metal atoms in the close packed crystal lattice ionic radius metallic radius covalent radius atomic radius 2 Except for rubidium and caesium, all common cations are smaller than all common anions ...

physic
1 A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both observ...

Math
Thank you

Math
Part A Lisa has downloaded 260 songs on her mp3 player,of her260 songs, 117 are pop music. What percent of lisas songs are pop music. Part B country music makes up to 20% of lisas 260 songs. How many songs are country music .. PartA already answered I need explanation part B

Math
Part A Lisa has downloaded 260 songs on her mp3 player,of her260 songs, 117 are pop music. What percent of lisas songs are pop music. PartB. Country music makes up 20% of Lisa 260 songs. How many songs are country music.

Math
Lisa has downloaded 260 songs on her mp3 player,of her260 songs, 117 are pop music. What percent of lisas songs are pop music. Can someone explain please

statistics
Joan has j

statistics
Data from the latest census was analyzed. It was determined that one-parent households spend less on food away from home that do two-parent households. The mean amount spent by 30 one-parent households is $1876 and the standard deviation is $113. The mean amount spent by 30 tw...

math
find second derivative of 30x+27.

Chemistry
How much volume (in mL) of 0.75 M K2SO4 (aq) and water must be mixed to prepare to 150.0 mL of 0.10 M K2SO4 solution? Thanks!

Math
Simplifying (4ab x (sqrt 2b)) - (3a x (sqrt18b^3)) + (7ab x (sqrt6b))

Biochemistry
In the electron transport chain, electrons from FADH2 are eventually used to reduce O2 into H2O. Experimentally, the proton motive force created by this process will generate 2 ATP molecules from ADP and Pi, using ATP synthase. From the information provided below, calculate th...

Chemistry
Hemoglobin, an oxygen-carrying protein in blood, contains 4 iron atoms per molecule and the iron comprises 0.34% of the molecules mass. What is the molecular weight of hemoglobin? Thanks!

Econ
Explain how a perfectly competitive market promotes productive efficiency (minimum average costs).

chem
If 0.208g of an unknown salt of oxalate ion requires 25mL of 0.02 M MnO4^- solution, calculate the molar mass and write the molecular formula of the unknown ( oxalare is the anion, what is the cation?).

Java
Write a program that will compute the paychecks for a small business. The business owner would like to be able to enter in an employee name, pay rate, and number of hours worked. The owner would like be able to specify the number of employees, and after all have been entered, ...

Math
Kaity draws a scalene triangle. Two sides measure 5 inches and 3 inches? Can the third side measure 3 inches? Why or why not?

AP CHEMISTRY
A voltaic cell is constructed that uses the following half-cell reactions. Cu+(aq) + e− -> Cu(s) I2(s) + 2 e− -> 2 I−(aq) The cell is operated at 298 K with [Cu+ ] = 2.7 M and [I− ] = 2.7 M. (a) Determine E for the cell at these concentrations. (b...

Pre-Calc Helppp!!!
Find the indicated angle è. (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume a = 110 and c = 136 (angle B=38) Round your answer to two decimal places.)

Statistics
Data from the latest census was analyzed. It was determined that one-parent households spend less on food away from home that do two-parent households. The mean amount spent by 30 one-parent households is $1876 and the standard deviation is $113. The mean amount spent by 30 tw...

Pre-Calc
For the triangle shown, find the length AD. (Assume u = 18, v = 18, x = 10°, and y = 10°. Round your answer to two decimal places.) Show work please!!!

statistics
The U.S. Department of Agriculture claims that the mean consumption of coffee by the person in the United States is 24.2 gallons per year. A random sample of 120 people in the United States shows that the mean coffee consumption is 23.5 gallons per year with a standard deviati...

physics
no it would be false

physics
if a race cars velocity increases from 4 m/s to 36 m/s over a 4 s time interval, it average acceleration would be 10 m/s2.

physics
what is the average velocity of the car from 0.0s to 40.0 s

finance
Weighted Average Cost of Capital)As a member of the Finance Department of Ranch Manufacturing, your supervisor has asked you to compute the appropriate discount rate to use when evaluating the purchase of new packaging equipment for the plant. Under the assumption that the fir...

macroeconomics
explin the inner and outer flows of an open system

Math
Points A and B are noted on the straight line y=2x+4.If the distance between them is 5,what is the difference between their y-coordinates?

social science
Professor Koo examined the literature on AIDS and could find nothing that examined children’s attitudes toward parents and friends with AIDS. To examine this study, Dooley should undertake a(n) a. examination of reductionism b. descriptive study c. explanatory study d. ex...

Transistion to College Math
A rifle bullet is fired vertically with initial speed 490 m/s. how long does it take the bullet to reach its greatest height?

computers
I need some help with creating a simple, but automatic site status (uptime/downtime) monitor script in ColdFusion. Basically I would like the script to check if an application on my site is accessible or not every 60 minutes. If the application is down at 60 minutes, then I am...

physics
What would the equation for the drag force the ball experiences while it is moving upward at constant velocity be?

math
Simplify. (-3u)^5

algebra
how do i solve 10x+10 over 3x-6 divided by 2x+2 over 3xy-6y

physics
A 4.00-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0.500 m and mass 1.00 kg. The spool is mounted on a frictionless axle and is initially at rest. The cord is pulled from the spool with a constant acceleration of magnitude 2.86 m/s2. (a) ...

statistics
The mean life of a set of batteries in a T83 calculator is 525 with a standard deviation of 35 hours assume normal distribution is normal whats is the probability that set will last for more the 540 hrs

Chemistry
Calculate the pH after 0.011 mol NaOH is added to 1.00 L of each of the four solutions. a) 0.100 M propanoic acid (HC3H5O2, Ka= 1.3 10-5) b) 0.100 M sodium propanoate (NaC3H5O2) c)pure H2O d) 0.100 M HC3H5O2 and 0.100 M NaC3H5O2

Safety
Please help me to unscramble these 40 letters into 2 sentences that has 12 words. A A A A E E E E E E E I I I I O O U U C D F J K L L L N N N P P R S T T T T T Y . The puzzle includes some letters as follows:(use blanks from above) _ _ / _ _ f _ _ _ /_ s / _ / _ _ _ _ , / _ h ...

algebra
5x + 5 = .2x + 29. I know x is 5 but what are the steps to get there?

Algebra
9 inches.

algebra
The Environmental Protection Agency (EPA) monitors air quality in U.S. cities. The function f gives the annual number of days with unhealthy air quality in Los Angeles, California, for selected years. X: 1995 1997 1999 2000 2003 f(x):113 60 56 87 88 (a) Find F(1995)and interpr...

HELP! College Physics
check the related questions. The one with the 6.8m/s

math
check the related questions below

chemistry
How do I write these compounds in their "true form" or Ionic State? NaCl, CuSO4, NH4OH How do i find the charges?

physics
At a playground, a 19.8 kg child plays on a slide that drops through a height of 2.13 m. The child starts at rest at the top of the slide. On the way down, the slide does a nonconservative work of -319 J on the child. What is the child's speed at the bottom of the slide?

physics
At a playground, a 19.8 kg child plays on a slide that drops through a height of 2.13 m. The child starts at rest at the top of the slide. On the way down, the slide does a nonconservative work of -319 J on the child. What is the child's speed at the bottom of the slide?

math
THINK ITS addition of an odd number like 1+3=4 2+5=7 3+7=10 4+9=13

math
PROBABLY 3,000,000 / 5

AP CHEMISTRY
ITS a college class in high school. Im takin it in grade 12

Chemistry
I THINK ITS 1) The balanced equation is NaHCO3(s) + H+(aq)= Na+(aq) + CO2(g) + H2O(aq). Remember acid + base = salt + water. 2) 2 CaO(s) + 5 C(s) = 2 CaC2(s) + CO2(g) 3)C(s)+H2O(g)=>CO(g)+H2(g 4) CuO (s) + CO (g) Cu (s) + CO2 (g) I THINK THEY ARE RIGHT. CHECK WITH SOMEONE E...

physical science
assuming that there are no other nonconservative forces involved what was given to each car during the collision

physical science
what was the kinetic energy of each car before breaking

algebra
x^+6x+9 using the diamond and generic rectangle

Chemistry
probably right

math 208
you equation is supposed to be -8n -8 = 4 -8n=12 n=-1.5

math 208
the top answer i gave is wrng i think

math 208
aint it: -4-2n+2=4 -2n-2=4 -2n=6 n=-3

algebra
grandma ploan to finance her grandchilds college education she has 50,000 to invest use a long range investment pln ,cd,saving bond etc. the plan is to earn compound interest.the principal is(p)50,000 interest rate is (r)3.60years for investment is(6)this is time state number ...

Jiskha
wow helpin people just for free NICEEE

Jiskha
THAnX 4 tellin me!!

Jiskha
U guys answr evry question??????

Chemisty
THINK IT"S Molar mass C2H5OH = 46 g / mol 7.50 g / 46 = 0.163 moles the ratio between C6H12O6 and C2H5OH is 1 : 2 1 : 2 = x : 0.163 x = 0.0815 moles of C6H12O6 needed molar mass C6H12O6 = 180 g/mol 180 x 0.0815 = 14.7 g

spanish
Nosotros les (vender) el auto a unos chicos venezolanos. preterite form of the verb supplied

geometry
a sailboat has a sail which is shaped like a right triangle. The base of the triangle is 14 feet and the height is 20 feet. What is the area of the sail? The boat also has two smaller sails that are each half as large as the big one. How big is each of the two smaller sails?

spanish
THANX!

spanish
type the same qsn on gooooogle and the website is like the 2nd one the heading of the page on gooogle says: How can pierde be used? | SpanishDict Answers

statistics
A test was given out to a class of 20 students. The highest possible score to get is 30. The mean of the tests came out to 26. One student was caught cheating and got 20 points removed from their test. what is the new mean. 28,25,24,22 ?

Alg
I THINK ITS 30/25 = x/45 x=54 burgers

Aviation
What location of CG (forward or aft center of gravity) would be the most fuel efficient? The most stable? Could you change this situation if you changed the design of the aircraft?

Math
'one angle is 4 times as large as another angle of the same triangle. the third angle o the triangle has a measure of 60 degress.' what are the measures of the other two angles in the triangle.

GeOmEtRy!!!
I THINK ITS THIS : (1/2) x (2h-4) x h = 35 (h-2)h = 35 h^2-2h-35 = 0 (h-7)(h+5) = 0 Positive solution: height = 7 inches base = 2h-4 = 2*7-4 = 10 inches

Math
:)

Math
Probably (x+3)(x-4)

GeOmEtRy!!!
:)

GeOmEtRy!!!
I THINK ITS 3x^2 = 75 x^2 = 25 x=+5 or x=-5

math
I THINK ITS Each number in the sequence is 9 less than the previous number.

statistics
Varsity team try out. Assume the distribution of heights to be normal w/a mean of 64inches & standard deviation of 4 inches. only 15 students passed. how many students joined the try out?

statistics
a teacher decides to fail 25% of the class.Examination marks are roughly normally distributed w/a mean of 72 & standard deviation of 6. what mark must a student make to pass?

Calc
Write the equation of the line tangent to the graph of the function at the indicated point. As a check, graph both the function and the tangent line you found to see whether it looks correct. (1/x^3 -x)^2 at x= 2

calculus
The revenue from the sale of x units of a product is represented by the following formula. R = 10(5x + 1)–1 + 70x – 11 dollars Find the marginal revenue when 50 units are sold. (Round your answer to the nearest cent.)

Math
2m+6=2m-1 bring 2m to the other side 0+6=-1 I THINK THE ANSWER IS UNDEFINED because 6cannot=-1

Physics
At the moment t=0 a particle starts moving along thr x-axis so that its velocity projection varies as vx= 35 cos pi t cm/s, where 't' is expressed in seconds. Find the distance that this particle covers during t = 2.80 s after the start.

math
I THINK ITS THIS: If each line joins just two points, and you want a line joining every pair of points, then it takes 16 * 15 / 2 = 120 lines.

Math
multiply by 2 on both sides 6x-4=8x-18 then subtract 6x to the other side -4=8x-6x-18 then add 18 to the other side -4+18=8x-6x and then simplify and then solve for x 14=2x x=7

Math
I THINK IT'S THIS: 200=5x-100-2x 200=3x-100 -2=3x -2/3=x

geometry
set it up like x/65 = 160/130 solve for x probably u shuld get 80

Math
I think its rhombus because A rhombus is a quadrilateral having the following properties.. 1.All the sides are equal 2.Opposite sides are parallel i.e it has two pairs of parallel sides. 3.Opposite angles are equal

Math
probably 3/5

math
u to

math
ohhh okay

math
i just answered it

math
dont u have a calculator or are u not allowed to use it anyway ithink its this 38/100 simplified it to 19/50 35/100 simplified it to 7/20

math
probably 55.371 work: for mixed fraction you 6and4/5 multiply5&6 and add 4 and divide it by 5 8 and 1/7 multiply7&8 and add 1and divide it by 7 you shuld get improper fractions and then turn them to decimals and multiply both of them it wuld be much easier to use a calculator

math
use long division for 7/8 and you probably shuld get .875 and then multiply it by 39 and get 34.125

math
probably: 506/27 OR in decimals 18.7407

math
is it (32/3)*(51/9)

Math
welcome

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