Tuesday
May 26, 2015

Posts by anonymous


Total # Posts: 81,738

Math
Proportions
April 15, 2015

geometry
The cargo space of the truck is 2.44 meters wide, 2.76 meters high, and 8.20 meters long. How many cubic meters of cargo space does the truck have?
April 15, 2015

math word problems
Q. Mark's doctor appointment was 35 minutes after Tyson 's appointment, Tyson appointment was 20 minutes after Timothy's appointment. Timothy arrived 8 minutes before his appointment but 17 minutes after Raul's appointment which started at 9:30 am. At what time...
April 15, 2015

SCIENTIFIC NOTATION
Japan and Fiji are both island countries. The population of Japan is approximately 1.3*10^8. The population of Fiji is approximately 8.8*10^5. Which is the best estimate of how many times as great the population of Japan is as Fiji? A about 1.5 times as great B about 15 times ...
April 15, 2015

SCIENTIFIC NOTATION
NEVERMIND GOT IT
April 15, 2015

SCIENTIFIC NOTATION
What is the product? (5*10^-7)*(3.2*10^12) A 1.6*10^-84 B 1.6^*10^-5 C 1.6*10^5 D 1.6*10^6 I thought it would be 16.0*10^5 but after moving the decimal one place to the left I thought it would be 1.6*10^4 but it isn't an option
April 15, 2015

Algebraic expression
One more than the product of 7 and Mabel's height
April 15, 2015

DIAMETER
NEVERMIND
April 15, 2015

DIAMETER
What is the approximate volume of this sphere, which has a diameter of 18 inches? A 339 cubic inches B 1,356 cubic inches C 3,052 cubic inches D 24,417 cubic inches PLZ EXPLAIN THE PROCESS
April 15, 2015

EQUATIONS
nvm Rein Rein
April 15, 2015

EQUATIONS
Which equations represent a linear function? Equation 1 y=5x-2 Equation 2 y=-1/3x Equation 3 y=x^2-3 Equation 4 y=1 A 1 and 2 B 2 and 3 C 1, 2 and 3 D 1,3, and 4
April 15, 2015

SCIENTIFIC NOTATION
what?
April 15, 2015

SCIENTIFIC NOTATION
What is the product? (5*10^-7)*(3.2*10^12) A 1.6*10^-84 B 1.6*10^-5 C 1.6*10^5 D 1.6*10^6
April 15, 2015

EQUATION
I was having trouble with the equation none of them fit when I solved them
April 15, 2015

EQUATION
What value of x makes the equation below true? 1/2(6x-6)+1=3(4x-1) A x=-9 B x=-1/9 C x=1/9 D x=9
April 15, 2015

find the height
um they aren"t exact bc of the radicals thank you very much -_-
April 15, 2015

find the height
A paper cone cup beside a water cooler has a diameter of 6 centimeters and a slant length of 9 centimeters. What is the approximate height,h, of the cup? A 3 radical 5 centimeters B 6 radical 2 centimeters C 3 radical 10 centimeters D 7 radical 2 centimeters
April 15, 2015

Scientific Notation
Which is equivalent to 3^3/3^-1? A -81 B -1/81 C 1/81 D 81
April 15, 2015

Linear Functions!!!!
Which equations represent a linear function? Equation 1 y=5x-2 Equation 2 y=-1/3x Equation 3 y=x^2-3 Equation 4 y=1
April 15, 2015

REPEATING DECIMALS
which rational number is equivalent to: _ 1.16? A 7/6 B 15/13 C 17/16 D 29/25
April 15, 2015

chemistry
whoops I took 15% of the molar mass of NH4NO3 So .15 x 25=3.75 3.75 x 300= 1125 ?
April 15, 2015

chemistry
25.0 ml of 15% NH4NO3 solution is diluted to 300.0 ml. What is the concentration of the diluted solution? My Work: Total molar mass of NH4CO3 = 80.052 .15 x 80.052= 12.0078 25.0 ml (12.00 M) = 300.0 ml (c2) 300.19/300.0ml = The concentration is = 1.0M
April 15, 2015

L.o
knkmnk
April 15, 2015

L.o
life adaptation skill
April 15, 2015

Science
You are trying to determine how far it is to your new friends house. You find out that you actually live on the same street. You also use the same bus stop. Google maps says that your house is 24 meters south of the shared bus stop. Your friend said that he measure his ...
April 15, 2015

L.A
"It shall flood with golden splendor"?
April 15, 2015

L.A
"President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain ranges, And ...
April 15, 2015

L.A.
i got the answer thanks!
April 15, 2015

L.A.
"President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain ranges, And ...
April 15, 2015

L.A
President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the mountain ...
April 15, 2015

L.A
He compares sunlight eliminating shadows to show how the Emancipation Proclamation made life better for Americans?
April 15, 2015

L.A
President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the mountain ...
April 15, 2015

L.A
What makes this poem an analogy?
April 15, 2015

maths
it will take him 8 steps to get to the water level
April 15, 2015

physics
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 6.7 x10-7 m and a maximum speed of 3.9 x10-3 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b) What is the ...
April 15, 2015

math
dfgh
April 15, 2015

Physics
m/s* sorry
April 15, 2015

physics
two identically charged sphere of mass 3 gm each are suspended from a point by threads of length 13 cm. they are separated 10 cm due to repulsion. find the tension of the thread and charge on the sphere?
April 15, 2015

statistics
A tennis player makes a successful first serve 51% of the time. if she serves 9 times, what is the probability that she gets exactly 3 first serves in? assume that each serve is independent of the others.
April 15, 2015

Physics
We think of the width of the central maxima on our screen as a measure of the uncertainty in the direction of travel of the protons. What happens to this uncertainty in the direction of travel (momentum) as the slit width narrows?
April 15, 2015

Physics
When we force protons through a narrow slit, we are gaining certainty in their position. As we gain certainty in their position, what should happen to the certainty on momentum?
April 15, 2015

chemistry
A chemist dissolves 0.097 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 13.6-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4 in the second ...
April 14, 2015

workplace set-up
setting up medical office with 3 physicians, 6 adm. personnel and 4 clinical assistants plus 1 office manager. How can I set up a complete computer equipments with all equipment needed to run the office
April 14, 2015

calculus
3:For an object whose velocity in ft/sec is given by v(t) = −2t^2 + 4, what is its distance travelled, in feet, on the interval t = 0 to t = 2 secs? a:4.876 b:2.667 c:9.752 d:2.438
April 14, 2015

calculus multiple choice
1.The region in the first quadrant bounded by the x-axis, the line x = ln(π), and the curve y = sin(e^x) is rotated about the x-axis. What is the volume of the generated solid? a: 0.906 b:0.795 c:2.846 d: 2.498 2.Find the average value of f(x)=2/x over the interval [1, 3...
April 14, 2015

math
20 percent of what number is 18
April 14, 2015

grammar
check
April 14, 2015

math
If we say that rare events are those events that happen with a probability of less than .05, then how many observations of men taller than 71 inches tall would you have to observe when randomly sampling before concluding that you had a rare sample? mean = 69, SD = 4
April 14, 2015

math
Given these probabilities: pr(rain) = .2 pr(snow)=.1 pr(cloudy)=.5 and pr(sun)=.2 pr(crash|rain or snow) = .2 pr(crash|cloudy or sun) = .05 what is the probability of a car crash?
April 14, 2015

chemistry
What is the final volume if 125 mL of a stock solution of nitric acid at 10.30 M is diluted to 0.500 M?
April 14, 2015

calc
Find the maximum possible area of a rectangle in quadrant 1 under the curve y=(x-4)^2 (with one corner at the origin and one corner on the curve y=(x-4)^2)
April 14, 2015

calc
The base of a triangle is shrinking at a rate or 2 cm/s while the height is growing at a rate of 3 cm/s. How quickly is the area of the triangle changing when the base is 10 cm and the height is 6 cm?
April 14, 2015

calc rates
the radius, r, of a circle is growing at a rate of 3 cm/s. Find the rate of change of the area of the circle when the radius is 5 cm
April 14, 2015

SCIENTIFIC NOTATION
THANK YOU REINY !!
April 14, 2015

SCIENTIFIC NOTATION
which expression is not equal to 6^3/6^6? A 1/6^2 B 6^-3 C 1/216 D 1/6^3
April 14, 2015

MATH WORD PROBLEM HELP PLEASE
A water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320pi cubic feet. What is the diameter, in feet, of the water tank?
April 14, 2015

SCIENTIFIC NOTATION
A lab has two bacteria cultures. Culture A contains 8*10^4 bacteria and culture B contains 4*10^6 bacteria. How do the two cultures compare in size? A. Culture A contains twice as many bacteria as Culture B B. Culture A contains 1/2 as many bacteria as Culture B C. Culture A ...
April 14, 2015

math
find the first 3 term s of an arithmetic sequence in which the 21 term is -54 and the fifteenth term is -170
April 14, 2015

Reading
I was right!! it was C. thanks a whole bunch for ur help:):):):)
April 14, 2015

Reading
i think it is C, u don't have to tell me yes or no. I'm just saying! I checked the definition :)
April 14, 2015

Reading
Ok thanks! At least I can eliminate A & D.
April 14, 2015

Reading
Is it A?
April 14, 2015

Reading
This is the last question! OK here it goes. In which sentence about A Christmas Carol is the word conveyed used correctly? Marley first conveyed through Scrooge's doorknocker The Thin and Portly men conveyed donation's in Scrooge's office Marely conveyed the ...
April 14, 2015

Reading
Yay thx!
April 14, 2015

Reading
1.Which word is most similar to morose? sensitive silly unhappy*** stubborn 2. In which of these lines is the meaning of the word gratitude best expressed? Why its old Fezziwng! Bless his heart; its Fezziwing alive again! The happiness he gave it quite as great as if it cost ...
April 14, 2015

Reading
OK thanks a lot! I will make sure I work on them!!!!
April 14, 2015

Reading
1.C 2.D 3.D Thanks for the site. I will work on them + they are a lot so it will take me time. Thanks! (I hope these are right!)
April 14, 2015

Reading
1.What is the prepositional phrase in this sentence? The children sat under the tree. sat*** children under the 2.What is the object of the preposition in the sentence? Scrooge will walk alone from his offices. alone Scrooge walk*** offices 3.What is the prepositional phrase ...
April 14, 2015

Chemistry
The density of whole blood is 1.05g/mL. A typical adult has about 5.5L of whole blood. What is the mass in pounds of this amount of whole blood?
April 14, 2015

math
Which number is not equal to one of the following expressions? 0.6038 x 1000 603.8 -: 10 60.38 -: 100 0.6038 603.8 60.38 6.038
April 14, 2015

physics
How long would it take to bring a 318 kg car moving at 11.2 m/s to a complete stop if a 602.8 N breaking force is applied?
April 14, 2015

Technical Physics
A boat is sitting in the middle of the lake. What happens to the water level in the lake when a heavy anchor is thrown overboard? Does the water level rise, lower, or stay the same.
April 14, 2015

Chemistry
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 2.7-L bulb, then filled it with the gas at 1.30atm and 30.0 ∘C and weighed it again. The difference in mass was 3.9g . Identify the gas.
April 14, 2015

mathematics
Factorise 4ab²+8ab-16a²b
April 14, 2015

Mathematics
Factorise 4m²-9m²
April 14, 2015

Physics
4 charges Q1=2C, Q2=3C, Q3=3C & Q4=-4C are placed at the vertices of a square of side 10cm. find the force on 5th charge Q5=1C placed at the center of square.
April 14, 2015

math
wattttttttt
April 14, 2015

math
why shud math be included in alll the streams
April 14, 2015

math
den wattt den hw did it cum
April 14, 2015

math
who found a subject called math
April 14, 2015

PHYSICS1
Calculate the range (using g=9.8m/s) and the height of the pumpkin using the initial speed ( 18m/s), half-time (1.7) and angle (75).
April 14, 2015

PHYSICS
Calculate the maximum height the tank shell reaches using the initial speed (18 m/s), half-time(1.8), and angle(75).
April 13, 2015

5th grade math
Applying concept :calculate As of July 2004, the population of the United States was 293,027,571.if more than half of these people live within 80 kilometers of an ocean, about how many people live within that distance? Show your work.
April 13, 2015

phi103
3rd one
April 13, 2015

MATH
WHAT IS GREEN AND MAKES HOLES?
April 13, 2015

Scientific Notation
The point on a pin has a diameter of about 1 * 10^-4 meters. If an atom has a diameter of 2 * 10^-9 meters, about how many atoms could fit across the diameter of the point of a pin?
April 13, 2015

Algebra
x=1.5
April 13, 2015

Algebra
114
April 13, 2015

Chemistry
How many grams of solid zinc metal will completely react with 100.0 mL of 0.0525 M HCl, if zinc chloride and hydrogen gas are the only products?
April 13, 2015

art
Could it be A? Was it A?
April 13, 2015

POL 201: American National Government
An appellate court that hears an appeal on a money laundering case from a district court....(Points : 1) A) is not concerned with guilt or innocence. B) can only send the case back for retrial. C) is concerned with whether proper legal procedures were followed during the ...
April 13, 2015

math
u hav nt postd any link
April 13, 2015

math
do integers have + and - sign
April 13, 2015

math
do integers have = and - sign
April 13, 2015

math
what are integers
April 13, 2015

math
2y=3x-13 5x-6y=23 26-2y
April 13, 2015

Biology, Chemistry
determine the volume in mL 95.0mL of a 2.05M KNO3 solution using a 4.00M KNO3 solution
April 13, 2015

chemistry
a chemist puts 50g of chemical a in beaker 1 and 25 g of chemical b in beaker 2 she places bot beaker into a larger container. as the chemicals evaporated the gas react into a white solid what mass of solid will form if chemicals react
April 12, 2015

Physics
A sprinter crosses the finish line of a race. The roar of the crowd in front approaches her at a speed of 357m/s . The roar from the crowd behind her approaches at 341m/s . A) What is the speed of the sound? B) What is the sprinter's speed?
April 12, 2015

economics
Dr. Leona Williams, a well-known plastic surgeon, has a reputation for being one of the best surgeons for reconstructuve nose surgery. Dr. williams enjoys a rather substantial degree of markt power in this market
April 12, 2015

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