Sunday
December 21, 2014

Posts by MIMI


Total # Posts: 268

math
Ken uses 6 apples and 2 bananas to make a fruit salad. He puts twice as many oranges as bananas in the salad. How many pieces of fruit will Ken use to make 2 fruit salads?
December 2, 2014

Physics- formula help
Well the question never mentioned it if it was at a constant speed, the weight of the object is 1.42N and the acceleration is 4.9m/s^2 how would I calculate that?
December 1, 2014

Physics- formula help
How do you calculate air resistance on an object if you have how much the object weighs and the acceleration?
December 1, 2014

Chemistry
A sample of lithium sulfate, LiSO4, contains 6.78 x 10^23 formula units. a) How many moles of Li+ ions are there in the sample? b) How many moles of ions are there in the sample? My work: I think a) is 2.26 moles And b i am not sure
November 24, 2014

Chemistry
A sample of lithium sulfate, Li2SO4, contains 6.78 x 10^23 formula units a) How many moles of Li+ ions are there in the sample b) How many moles of ions are there in the sample
November 24, 2014

Math HELP!
2/3
November 6, 2014

Calculus
Match the rule with the title: ____ 3. d/dx [f(x)/g(x) ]=(g(x) f^' (x)-f(x) g^' (x))/[g(x)]^2 ____ 4. d/dx [f(g(x))]=f^' (g(x))∙g'(x) ____ 5. d/dx [f(x)∙g(x)]= f(x) g^' (x)+g(x) f^' (x) ____ 6.d/dx [x]=1 ____ 7. d/dx [f(x)+g(x)]= f^' (x...
November 6, 2014

chemistry
Calculate the Calorimeter Constant (Ccal) if 25.00 g of water at 50.21°C was added to 25.00 g of water at 25.00 °C, resulting in an equilibrium temperature of 35.00 °C?
November 2, 2014

Science PLEASE HELP!
So basically the reason why Lithium is more reactive than Neon is because, Reactivity increases for metals as you go down a group, and for nonmetals the reactivity increases as you go up on a group. BUT AS YOU SEE, on the periodic table it seems as if Neon would have a ...
October 17, 2014

Biology
There are many reasons how human activities can lead to an imbalance of biochemical cycling, anything that the natural environment is not familiar with can damage or throw off biochemical balance One of the negative impacts of eutrophication and increased algal growth is a ...
October 17, 2014

science
Your welcome, I hope I explained it well enough :)
October 17, 2014

science
Here's and example; Hot water vs. Cold water. When you mix sugar in hot water it dissolves faster and better then it would in a cold water because of the temperature. When the temperature of water is higher(hot) the water molecules move faster so they are able collide with...
October 17, 2014

7th grade math
No, the question is asking for the FEWEST account of magazines sold to make $200 for the school. -So we know that in order to make $200 for the school they must make an actually $400 profit because the company will take half of the money. But we must include the $18 fee. So in...
October 17, 2014

Bio
Peripheral protein
October 16, 2014

Science
1. yes because earth's revolution around the sun along with spinning on its axis gives us our seasons and depending where we are on earth, the sun may be more intense depending on where are in our revolution around the sun. this creates the different climates around the ...
October 5, 2014

chemistry
What is the percent mass of calcium in a calcium supplement if 1.06 g of calcium carbonate is extracted from a 2.82 g pill
October 5, 2014

math
If you know the order from least to greatest of 5 negative rational numbers, how can you use the information to order the absolute values of those numbers from least to greatest
September 17, 2014

trigonomety
FIND THE HEIGHT OF A TREE,IF 120 FT. FROM ITS BASE THE ANGLE OF ELEVATION OF ITS TOP IS 10 DEGREE 18 MINUTES
June 30, 2014

grade 3 math
1) what is the greates perimeter of a rectangle with an area of 39 square feet? 2) What is the least perimeter of a rectangle with an area of 32 square feet? 3) A rectangle has an area of 42 square inches. Which has a greater perimeter, the rectangle with the dimensions 21 x2 ...
April 29, 2014

grade 3 math
two rectangles have an area of 36 square inches. Name two possible perimeters for the rectangles.
April 29, 2014

Math 3rd grade
Lee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? explain.
April 28, 2014

geometry
ee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large. Can he do this? explain.
April 28, 2014

math
Suppose Maya made another sign with an area of 48 square inches. would this sign be larger or smaller than the sign with an area of 48 square centimeters? Explain how you know.
April 14, 2014

managerialaccounting
Describe how total variable costs and unit variable costs behave with changes in the level of activity.
March 4, 2014

physics
A string under a tension of 42.6 N is used to whirl a rock in a horizontal circle of radius 2.47 m at a speed of 19.7 m/s. The string is pulled in and the speed of the rock increases. When the string is 1.13 m long and the speed of the rock is 46.9 m/s, the string breaks. What...
February 22, 2014

physics
NVM
February 22, 2014

physics
A block M1 of mass 16.5 kg sits on top of a larger block M2 of mass 26.5 kg which sits on a flat surface. The kinetic friction coefficient between the upper and lower block is 0.425. The kinetic friction coefficient between the lower block and the flat surface is 0.125. A ...
February 22, 2014

physics
A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the surface is 0.201. ...
February 20, 2014

physics
A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- $kg$ block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the surface is 0.201. ...
February 20, 2014

Statistics
Explaining confidence. A student reads that a 95% confidence interval for the mean ideal weight given by adult American women is 140 ± 1.4 pounds. Asked to explain the meaning of this interval, the student says, “95% of all adult American women would say that ...
December 1, 2013

KINDERGARTEN
HOMEWORK HAVE CHILDREN WRITE A ROW OF EACH LETTER AND THEN WRITE THE WORDS
November 14, 2013

science
how do the words matter element atom crystal compound and molacule relate
September 19, 2013

Algebra
I need help with solving these absolute value inequalities. I have to graph them as well. y< |x+2|+4 and y>|x+5|+3 I just don't know what to do without a coefficient in front of the absolute value!
September 12, 2013

childcare
write a letter to day care center supervisor requesting written permission to observe a child at the center
August 26, 2013

Early childhood
Teachers usually ask more of this type of question even if it is NOT recommended: A. convergent. B. divergent. C. open-ended. D. recall.
August 25, 2013

chemistry
1.64
June 12, 2013

math
question 1 use the laws of logarithms to simplify the expression Inx(x+2)(x+1) question 2 (18m^2n+6m^3n+12m^4n^2)/ (6m^2n)
May 6, 2013

Chemistry
A student determined the H of neutralization of nitric acid (HN03) mixed with NaOH solution, using the procedure described in this experiment. Fifty milliliters of 1.00M HN03 was added to 50.5 mL of 1.00M NaOH solution, and the following time-temperature data were recorded. A ...
May 1, 2013

College Physics
A uniform meter stick of mass M has an empty paint can of mass m hanging from one end. The meter stick and the can balance at a point 19.9 cm from the end of the stick where the can is attached. When the balanced stick-can system is suspended from a scale, the reading on the ...
April 27, 2013

Calculus
In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of the train at any time t can be described by the velocity function v(t) = 8t (0 _< t _< 30) a. Find the position function of the train. b. Find...
April 26, 2013

Calculus
In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of the train at any time t can be described by the velocity function v(t) = 8t (0 ¡Ü t ¡Ü 30) a. Find the position function of ...
April 26, 2013

chemistry
br ne s
April 2, 2013

algebra1
mr jones estimates his profit starting in 2006 will be given by the formula p=7t^2-14t+10 where t is number of years and p is the profit.if this formula is correct,when will mr.jones have a profit of more than $1000
March 28, 2013

physics
After 35 minutes of running, at the 8-{\rm km} point in a 9-{\rm km} race, you find yourself 200m behind the leader and moving at the same speed. What should your acceleration be if you are to catch up by the finish line? Assume that the leader maintains a constant speed ...
March 20, 2013

english
are there any figurative language in the book Witch hunt the mysteries of salem?
March 2, 2013

math
the first term of a linear sequence is 5,nd d common difference is -3 find the 15 term
February 24, 2013

Math
If 2 cups of rice requires 4.5 cups of water, what is the total number of cups of water needed to prepare 5 cups of the same rice?
December 13, 2012

science
a toy car is traveling .5 meters per second.It goes 3.5 seconds. how far did it travel.
November 20, 2012

Math
12/42=4w/14
November 11, 2012

trigonometry
Dwight Howard is playing center for the Los Angeles Lakers. During the game, he blocks a shot. When Howard blocks the ball, he is 12 feet off of the ground (including his height). The ball is hit down at an angle of depression of 63°. Find the distance that the ball ...
October 18, 2012

physical sicence
if a gives a force 2kg object an acceleration 1.6,/s2 what does the smae force give to an object of 4kg
October 12, 2012

anatomy/physiology I
In physiology, it's all about the function of cell and tissue and you need a good background in histology to reason properly. Skin is the best example. If you know what type of cell all the layers are made of it's easy to figure out some dermatology pathologies.
October 8, 2012

anatomy/physiology I
Not really, its more for histology. But between the two, its more important for the physiology component.
October 8, 2012

math
8+2y-3+9y
October 3, 2012

physics
a) 9.8 * .36 = max a b) 9.8 * .16 = relative a a) Reasoning. Friction prevents sliding and the only acceleration it has thus far is gravity. b) Reasoning. K friction is used when the vehicle is moving, which in b, it is
September 29, 2012

geometry
[1.04] If B is between A and C, AB=8x, BC=3x and AC=33, what is the value of AB?
September 11, 2012

chemistry
Zinc reacts with hydrochloric acid according to the reaction equation Zn(s)+2HCL(aq)=>ZnCl2(aq)+H2(g). How many mm of 1.50M HCL(aq) are required to react with 9.05 g of ZN?
August 9, 2012

Theory and reserch in child development
During the middle of the twentieth century, North America psychology was dominated by
May 31, 2012

chemistry
if 250ml of nitrogen dioxide were collected over mercury at 72 degrees celsious and under pressure 675mm of mercury, how many grams of nickel reacted?
May 31, 2012

Algebra 2
Write a recursive formula for the sequence 15, 26, 48, 92, 180, ... Then find the next term.
May 17, 2012

Algebra 2
Find the arithmetic mean a n-1=3.9, a n+1=7.1
May 17, 2012

Algebra
find the arithmetic mean A_n-1_-3.9, A_n+1_=7.1
May 17, 2012

Physics
A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The tank originally contains 0.140 m3 of air at a pressure of 3.20 atm. The piston is slowly pulled out until the volume of the gas is increased to 0.440 m3. If the temperature ...
April 17, 2012

physics
yes. you conclude that original asteroid had a similar composition.
February 29, 2012

physics
Radiometric
February 29, 2012

Accounting
Give an example where product and period costs are the same and a separate example where they are different.
February 19, 2012

statistics
PROBLEM 4: PREFERENCE FOR CAN (a) What is the probability of preferring a glass bottle? b) What is the probability of preferring a glass bottle given that one lives in Region A? c) What is the probability of preferring a can given that one lives in Region C or B? Region A ...
February 16, 2012

algebra
Hong goes running Monday, Wednesday, and Friday of each week. Each Monday he runs miles, each Wednesday he runs miles, and each Friday he runs miles. How many total miles does he run in weeks?
February 11, 2012

program planning and evaluation
please answer the question above
January 29, 2012

math
What is the value of |-3-10|? -13, -7, 7 or 13
January 24, 2012

chemistry
What are the materials used to create a free standing atomic model of iodine?
January 3, 2012

physics
1. A ball moving horizontally clears a net 2 meters high. What maximum speed can it have if it is to fall within 5 meters of the net? 2.A pulley system lifts a load of 800 Newtons, 20 centimeters while the rope pulling it moves 100 cm. a. How much force must be applied to lift...
October 18, 2011

physics
A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?
October 18, 2011

physics
1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where it leaves the jet, ...
October 18, 2011

physics
1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where it leaves the jet, ...
October 18, 2011

chem
How many moles of chloroethylene contain 5.47X10^26 molecules
October 1, 2011

math
A man agrees to pay $450 per month for 48 months to pay off a car loan. If interest of is charged at 12% compounded monthly, how much did the car originally cost?
September 12, 2011

Reading
For this question,i think her mother's words inspire her daughter.That's my explaination£¬hope it will help u.
June 16, 2011

Chemistry
The molar heat capacity of silver is 25.35 . How much energy would it take to raise the temperature of 9.50 of silver by 10.5?
June 7, 2011

calculus
Use the demoivre's theorem to find the answer? (1+i)^8
May 20, 2011

calculus
write it in the form of a+ib (1+i)^2 (1-i)^3
May 18, 2011

physics
Consider the system shown in the figure below with m1 = 30.0 kg, m2 = 13.7 kg, R = 0.110 m, and the mass of the pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.60 m above the floor when it is released from rest. The pulley axis is frictionless. The ...
May 14, 2011

Math
Find the product. (5a+2)³
May 3, 2011

Math
Mutliply. (9t² - t- 7)(4t²+9t-1) AND Find the product. (5a+2)³
May 3, 2011

Math
Find the product. (5a+2)³
May 3, 2011

Math
Multiply. (9t²t-7)(4t²+9t-1)
May 3, 2011

physics - i need A.S.A.P
An object of mass 1.5 kg is placed on a rough horizontal surface, as shown in Figure 1. Force F acts on the object. When the magnitude of F is 10 N, the object just begins to slide. Determine the coefficient of static friction between the object and the surface. i do not know ...
May 2, 2011

math
240 feet of fencing material is going to be used. What should the dimensions be to produce a maximum enclosed area.
April 28, 2011

Math
12 congruent individual plots 8ydx7=56yd 18ydx3=54yd 56yd+54yd=110yd Total length: 110yd -------------------------------- 6 congruent congruent rectangles 4ydx2=8yd 3ydx2=6yd 8ydx4=32yd 6ydx3=18yd 18ydx3=54yd 32yd+54yd=86yd Total length: 86yd
April 20, 2011

physics
hgf
April 18, 2011

physics
what is cross product or vector product plz explain it in detail.....
April 18, 2011

information systems
how can we say that a data should be relevant and verifiable?
April 17, 2011

fizik
b) A ball of mass 3.5 kg starts from rest and slides down a rough inclined plane 60 cm long in 0.6 s. i) Calculate the net force acting on the object along the inclined plane
April 11, 2011

algebra
Shelly has $175 to shop for jeans and sweaters, Each pair of jeans costs $25, each sweater costs $20, and she buys 8 items. Determine the number of pairs of jeans and sweaters Shelly bought.
March 30, 2011

Math
Thank you.
March 21, 2011

Math
Do I add them together, have the answer and then divide by 7 ?
March 21, 2011

Math
A student earned scores of 85, 83, 90, 94, 88 and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?
March 21, 2011

Math
Paul gets a bill from the sign rental company for $73.03. Their original quote was $9.84 per day for the sign, plus $13.99 for delivery/pick up. For how many days rental was Paul billed?
March 21, 2011

algebra
Solve using the quadratic formula and leave the answer in radical form: y^2+6y-1=0
March 10, 2011

algebra
Given a quadratic equation in the form y = ax2 +bx +c , and four choices of graphs representing that equation, how can you tell which choices could be eliminated right away by looking at the equation and looking at the graphs and doing some minimal calculations and not ...
March 4, 2011

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