Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 73

**math**

6/16 of children have freckles. of those 1/12 have red hair. how many have red hair and freckles?

**Chemistry**

Solutions of NiSO4(aq), Al2 (SO4)3 (aq), CoSO4 , and SnSO4 (aq) are in bottles labelled A, B, C, and D. a) Design an experiment to identify which ionicsulfate solution is in which bottle. Give a list of equipment and chemicals required. Describe a step-by-step procedure for co...

**physical science**

A horizontal force of 100 N is required to push a box across the floor at a constant velocity. a) Show that the net force acting on the box is zero. b) Show that the friction force that acts on the box is 100 N.

**physical science**

Consider a 100-kg box of tools in location: A: on Earth B: on the Moon C: on Jupiter. Rank from greatest to the least the a) masses of the 100 kg box of tools and b) the weights of the 100-kg box of tools.

**physical science**

If you know that a 1-kg object weighs 10N, confirm that the acceleration of a 1-kg stone in free fall is 10 m/s2.

**math**

you estimate that the trip to pick up your friends, go to the restaurant and movies, and return home will be about 75 miles. your parents car gets 22.5 miles to the gallon around town. how many gallons of gas will you need to buy?

**Algebra 2**

solve this equation x+2y+2z=6, -2x+4y+6z=-3, x+3y+z=6

**math**

What fraction is greater using approximation 13/30 or25/41

**math**

What fraction is greater using approximation 13/30 or25/41

**Math**

The perimeter of a triangle Abc is 28 inches . Side Ab is 6 inches long and side BC is 8 inches long. find the length of side AC. Thank you.

**math**

1-sin^2x/cosx = sin^2x/2sinx Please help me figure out this one, can you show all the steps, I am really confused. Your help is very much appreciated. Thanks

**common sense question, i just dont know how to ans**

thank you Ms.Sue:)

**common sense question, i just dont know how to ans**

yes i know the answer too , but i don't know how to word it, lol thats why i posted it:)

**common sense question, i just dont know how to ans**

Why must the test tubes be thoroughly cleaned and dried when one part of the procedure is completed before starting the next part of the procedure ? Please help me with this, thankyou so much!

**Chemistry grd 12**

for the below questions the food samples were onion juice, cornflakes, egg, milk, salad dressing and instant oatmeal. 1) Why are you required to wear safety eye wear and protective clothing while conducting an investigation of testing food samples for proteins,starch,sugar and...

**Grade 12 University Chemistry**

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...

**English on different cultures**

Why do many people across the world watch korean dramas instead of their own culture dramas?

**grd 12 U chemistry**

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...

**5th grade math**

I dont get it! /is 20 times 5/6 greater than or less than 20

**physics**

An MRT tunnel is 418m long. Calculate the time it will take the 108-m long train , travelling at 72km/h to pass completely through the tunnel, leaving your answer in seconds

**Math**

If one hundredth is divided into ten equal parts, each part represents one what? 1- decimal, 2- decimal point, 3- fraction, or 4- thousandth.

**Math**

the product (2x^4y)(3x^5y^8) is equivalent to? a.5x^9y^9 b.6x^9y^8 c.6x^9y^9 d.5x^20y^8 e.6x^20y^8

**Chemistry**

uhhh okay i think i got its thanks

**Chemistry**

My assignment sheet said to plot a KE distribution diagram where 10% of the molecules meet or exceed the Ea. I know the Ea and enthalpy change. But nothing else so does this mean the diagram is just a estimation of what it would look like.Or am i doing something wrong... Plz h...

**math - linear programming**

A woman wishes to invest $12,000 in three of bonds: municipal bonds paying 7% interest per year, bank investment certificates paying 8%, and high-risk bonds paying 12%. For tax reasons she wants the amount invested in municipal bonds to be at least three times the amount inves...

**physics**

ok so how do i find each girls velocity after the collision because i know how to find the kinetic engery

**5th Grade math**

To: bobpursley - how do you teach a 5th grader how to figure out the answer?

**Math**

To: bobpursley - How do you teach a fifth grader how to figure out the answer?

**Math**

You can only use the digits 0-9. I need an odd number that is a multiple of five with no repeated digits. Half the digits are odd and the other half is even. The largest digit in the number is in the tens place (but it is not the largest digit). The digit in the hundreds place...

**Information Systems in Organizations**

These answer are correct: BCCDB

**math**

that's brilliant!Thx!

**math**

find the points on the given curve at which the curvature is a maximum? a)y=e^-x b)y=lnX

**math**

state the following property: 5 (3+20) = 15 + 100

**Finance**

You can deposit 10,000 into an account paying 9% annual interest either today or exactly 10 years from today. How much better off will you be at the end of 40 years if you decide to make the initial deposit today rather than 1o years from today?

**algebra 2**

log 5 ã5 log7 (1/49)

**algebra 2**

Find the inverse of the function. f(x) = e^-x + 5 f(x) = 10^x + 2

**algebra 2**

Solve the equation. If necessary, round to thousandths. 3^(2x + 1) = 27

**algebra 2**

Solve the equation. Give an exact solution. ln(3x - 2) = ln 2 - ln(x - 1)

**algebra 2**

In the formula A(t) = A0ekt, A is the amount of radioactive material remaining from an initial amount A0 at a given time t, and k is a negative constant determined by the nature of the material. An artifact is discovered at a certain site. If it has 72% of the carbon-14 it ori...

**Math probabilty**

An amusement park, Dino World, considering adding some new attractions, conducted a study over several typical days and found that, of 10,000 families entering the park, 1020 brought just one child (defined as younger than age 12), 3370 brought two children, 3510 brought three...

**algebra 2**

what is the rule for the geometric sequence: 5000, 500, 50, 5?

**Math**

paint color is made using 4 drops of red and 5 drops of blue for each 5 gallons of paint. How many gallons of paint are being colored when 45 drops of color are used??

**Math**

The surface area of a cube is 384 square inches. What is the volume of the cube???? A. 8 cubic inces B. 16 cubic inches C. 256 cubic inches D. 512 cubic inches

**math/algebra**

If n=4 what does 3x+5=

**math/algebra**

8*2 divided by 4=

**math/algebra**

9(3+4)=

**math/algebra**

9(3)+4=

**math/algebra**

5-(2+3)=

**math/algebra**

5-2+3=

**algerbra/math**

Leo has 1/5 of the amount Don has. Write an algebraic expression that shows how many games Leo has

**algerbra/math**

Don's little sister Nadia has half the amount of games Don has. Write an algebraic expression that shows how many games Nadia has.

**algerbra/math**

Don has three times as many games as Carlos. Write an algebraic expression that shows how many games Don has

**algerbra/math**

Jolene has twice as many games as Juan. Write an algebraic expression that shows how many games Jolene has.

**algerbra/math**

His brother Carlos has 10 more games than Juan has. Write an algebraic expression the shows how many more games Carlos has than Juan

**AP Chem**

What mass of K2CO3 is required to clean up a spill of 282 ml of 1.05 M HCl if HCl(aq) reacts with K2CO3 according to 2HCl(aq) + K2CO3(aq) → 2KCl(aq) + CO2(g) + H2O(l)?

**Chemistry 101**

How many milliliters of a 0.14 M NaOH solution contain 0.158 mol of NaOH?

**statistics**

If you buy one ticket in the Provincial Lottery, then the probability you will win a prize is 0.11 what is the probability that you would first win when you purchase the second ticket?

**college**

I just selcted 4.00g but it was wrong the correct answerr is 6.25g but i do not know how they got that answer.

**college**

4.00g

**physics **

Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string.M1 is on the surface and mass 2 is hanging on the surface. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.40. Calculate the speed of ...

**physics **

Two blocks with mass m1 = 4.2 kg and m2 = 4.7 kg are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 27.5°. The kinetic coefficient of friction between m1 and the incline is 0.28. What is the minimum value of the...

**physics **

One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force would it take to drag them both across the floor if they are tied together one behind the other? How much force would it take to drag them both across ...

**math**

In the diagram show, every point in the plane with integer coordinates is labeled with a positive integer by a “rectangular spiral” process that begins at the origin and works its way out. What are the coordinates of the point labeled 1009?

**English**

ship is to trip as shout is to ?__________

**Math distance rate 8th grade test tmr!**

Two planes left Seattle at the same time, both traveling due east. One had the rate of 185 mi/h and the other had a rate of 225 mi/hr. After how many hours were they 220 miles apart?

**distance problems**

time? hour? i dont get it... help?

**distance problems**

two planes left Seattle at the same time, both traveling due east. One had the rate of 185 mi/h and the other had a rate of 225 mi/hr. After how many hours were they 220 miles apart?

**science**

The changing or giving way of one plant group to another is called?

**math**

the break in by....? origin of man by..?? making soap by...??

**math**

the break in by....? origin of man by..?? making soap by...??

**english**

just an FYI...a lot of those answers are INCORRECT!!! just an fyi. if you need help trying to find out how to tell the difference to get the CORRECT answer, use wiki . answers . com it gives you an explanation instead of cheating....!@#$%^&ing hypocrites!

**Math**

How do you combine 6 1's so that their sum is 123?

**unit rates**

416 MI IN 8H

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