Saturday
April 30, 2016

Posts by Jen

Total # Posts: 3,419

Physics
I have this problem about drawing graphs. For the following 6 situations, sketch a graph of velocity vs. time. A cart is moving to the right on a horizontal surface while a constant net force of 3 newtons acts on it to the left> The force acting on the cart stops after a ...
October 7, 2010

Science
if a piece of copper has a mass of 20g and a volume of 10mL giving a density of 2g/mL, what happens to the density when the piece of copper is cut in half?
October 7, 2010

math 8th grade
-r-10r=-11r (because -1-10=-11) n-4-9=n-13 (-4-9=-13) -4+7(1-3m)=-4+7-21m=3-21m
October 7, 2010

8th grade
The square would have to have each side 2y.
October 7, 2010

5th grade math
2 2 3 4 4 5 5 6 6 6 7 8 First fill in the max. You know it has to be 8. The range of 6 tells you the min has to be 2 (8-6=2). You can then fill that in. The median has to be 5 so 2 5's in the middle spot will ensure that it's 5. The mode has to be 6, so we need at ...
October 6, 2010

Math 2nd grade
A number cannot have greater than 7 tens and less than 8 tens. There is no number between 7 and 8.
October 6, 2010

Intermediate Algebra (Math)
You are good up until here.. -1.50x + 400 = 370 (this is correct) Then when you subtract 400 from both sides you get -1.50x=-30 Divide both sides by -1.5 x=20 lbs of pistachios, and 30 lbs of almonds
October 6, 2010

Intermediate Algebra(Math)
Your first row should be: 6.5x + 8(50-x) = 7.4(50)
October 6, 2010

math 5th grade
17a^2=2209 Divide 2209 by 17. Then take the square root of that number.
October 6, 2010

Math
5.
October 6, 2010

algebra
2, 6, 6, 10
October 6, 2010

math
The 7th square number is 49, so it has to be bigger than that.
October 6, 2010

math
It's bigger than 49, and it must be a multiple of 10 (since it doesn't end in a 5)..so your choices are 50, 60, 70, 80, 90, etc..Now check your other conditions and find your number.
October 6, 2010

algebra
10+5y=77 Subtract 10 from both sides. 5y=67 Divide both sides by 5. y=67/5
October 6, 2010

Algebra-please check
Correct. You could actually check these problems yourself by plugging in your answers.
October 6, 2010

math
There should be more information..if not, what are the directions?
October 6, 2010

math
Boil it?
October 6, 2010

analogies
There's 100 cents in a dollar, there's 100 ______ in a meter.
October 6, 2010

math
5x+5=30
October 6, 2010

English
Yes, they are correct.
October 6, 2010

Algebra1
8+n=1 Subtract 8 from both sides. n=-7
October 6, 2010

algebra
y+ab
October 6, 2010

Algebra
2x^2-3x-20=0 Use the quadratic formula.
October 6, 2010

math.7th gradee.
Parenthesis means to do that operation first. The order of parenthesis changes the problem. Did you learn order of operations? PEMDAS. Look at the difference between these problems. (4+3)*2=7*2=14 4+(3*2)=4+6=10
October 5, 2010

algebra
False. The 3 is multiplied by 2 to get 6, and the 4 is multiplied by 3 to get 12. In order for the statement to be true, they would both have to be multiplied by the same number. 3/4=6/8=9/12
October 5, 2010

3rd grade
You need to add 2 digits plus 2 digits of the lowest numbers. 12 + 34 = ?
October 5, 2010

Math
4 x 6 = 24, Laura. Sorry Lola, I can't figure it out either.
October 5, 2010

Algebra
9m+2m-8=5(m-2) 11m-8=5m-10 Subtract 5m from both sides. 6m-8=-10 Add 8 to both sides. 6m=-2 Divide both sides by 6 and reduce. m=-1/3
October 5, 2010

8th grade
Did you mean 3m=8? Divide both sides by 3 and get m=8/3.
October 5, 2010

algebra)
All you did was move around the paranthesis, so that's the associative property.
October 5, 2010

math
x+2y=10 3x+2y=18 Multiply the first equation by -1 to cancel the y's: -x-2y=-10 3x+2y=18 Now add the rows 2x=8 x=? Now plug that back into either original equation to solve for y.
October 5, 2010

math
(16+____) +(14-7)=18+22 16+____+7=40 23+____=40 ____=?
October 5, 2010

math question.
Yes.
October 5, 2010

math
-2x(-6)=12x
October 5, 2010

english
What elements? You forgot to list them.
October 5, 2010

5th grade
Round: 200/5=?
October 5, 2010

Pre-Algebra
Divide both sides by 4 to get x<-4
October 5, 2010

math
32 tens and 8 ones..now you think of one
October 4, 2010

Spanish
No, it's not right. What are you trying to say?
October 4, 2010

algebra
6000<x<10000
October 3, 2010

math
Correct.
October 3, 2010

gammar
I think they are both poorly written, but the second one is slightly better. The first one sounds as if an elementary school student wrote it.
October 3, 2010

Algebra
9.85 x 10^3
October 3, 2010

algabra 2
x+x-2+x+4=38 3x+2=38 3x=36 x=12 12, 10, 16
October 3, 2010

philosophy of religion
Explain thoroughly and elaborately what Martin Buber means by real atheism as the eclipse of God. - any help will do. i'm desperate. i'm having a hard time understanding this subject. you can just tell me what atheism is according to buber even not thoroughly and ...
October 3, 2010

science
Pangea.
October 2, 2010

math
5/2v-4=7/2v Subtract 5/2v from both sides. -4=v
October 2, 2010

Organic Chemistry
separation and purification scheme how would i begin this? we have a mixture of the following:50% benzoic acid, 40% benzoin, 10% dibromobenzene they give us 1M NaOH, 6M NaOH, 1M HCl, 6M HCl, 1M NaHCO3, saturated sodium chloride, diethyl ether, 95% ethanol, methanol, isopropyl ...
October 1, 2010

EARTH science
density=mass/volume
October 1, 2010

7th grade
5x-10=2x-7 Add 10 to both sides. 5x=2x+3 Subtract 2x from both sides. 3x=3 Divide both sides by 3. x=1 This way is the more common method although Emily did get the correct answer.
October 1, 2010

algebra
13, 14 are wrong..I'm not going to check anymore..If you need help (step by step) on one or two problems, please re-post. It seems that you are just guessing.
October 1, 2010

algebra
Welcome back, Whitney. I have to leave for work but I checked as many as I could. Hopefully someone else can check the rest or I can check the rest later. I checked up to 12. They are all right except 4, 6, 7, 12 (5 I'm not sure about).
October 1, 2010

geometry
Not enough information.
September 30, 2010

Math
__-__/__+__=50 Are you sure you have the number sentence right? You can't subtract any of those numbers and end up with that solution. You can do this though.. (50*2)/(10/5)=50
September 30, 2010

math need asap
-16y+5y=-11y, not -21y..I think that's your mistake
September 30, 2010

algbra
Need more information..
September 30, 2010

second grade
Definitely not 2nd grade..
September 30, 2010

college algebra
-14-(18-(-4) -14-(22)=?
September 30, 2010

math
3:7 red candy: total candy, etc.
September 30, 2010

math
3 x 5 =
September 30, 2010

math
(n+9)/3=14 Multiply both sides by 3. n+9=42..I'm sure you can finish from here.
September 30, 2010

math
Are you solving for x or y?
September 30, 2010

Math, Please help :/
30+.85n=2.25n I'm sure you know how to solve equations..
September 30, 2010

math
What three do you have?
September 30, 2010

math
A fraction cannot be simplified if it is already in lowest terms..there aren't any more reasons
September 30, 2010

spanish
ellos (them)
September 30, 2010

proper nouns
fill in blank with the correct proper noun 1.we finally decided to buy a _____________.(proper noun) 2. during ___________ there was very little to do around here.
September 30, 2010

math
41, 42, 43, 44, 45, 46, 47, 48, 49..which one fits both conditions?
September 30, 2010

math 5th grade
2 is a factor of both 20 and 30..can you think of anymore? I think there are two more.
September 30, 2010

math 5th grade
4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100 These are the multiples of 4 up to 100. What number fits all of the conditions of your problem? (I actually think I see two that work..)
September 30, 2010

vocab
which make sense? 1. how can you expect to succeed at your new job when you are( diffused, predisposed) to believe that it is " not right" for you? 2. an economy in which the marketplace is considered "open" is one in which competition is more or less (...
September 30, 2010

algebra
Check your other post, already answered. Please don't repost.
September 29, 2010

7th grade
I just want to see a simple formula to solve linear equations
September 29, 2010

7th grade
This is a homework help website. You just post the subject, instead of grade, and ask a specific question. For example, if you don't understand how to do a math problem, post "math" for subject, and then post the problem.
September 29, 2010

algebra
I think you set it up like this..not positive though: 4(8n+6)=2(13n+2)+30n-28
September 29, 2010

science
Correct.
September 29, 2010

math
I'm sorry anonymous! You're right, I'm wrong.
September 29, 2010

math
10^3= 10000 Put the decimal after the 10 and move it over 3 places. Do the rest that way.
September 29, 2010

Math
I'm not sure, sorry.
September 29, 2010

Math
48? It appears that the x's are counting by 2's, and the y's are counting by 10's (starting at 8).
September 29, 2010

algabra II
No, we do not have nor would we give answers.
September 29, 2010

Math
It's not a multiple choice question, Bridgett, it's a multiple part question. Heather, I'll do part a for you and then you can do the rest the same way. You are just substituting into the equation. 3x^2+2x-3 (make sure this is right, I think you had a typo) a) x=-2...
September 29, 2010

math
Yup, Bridgett is right.
September 29, 2010

math
2.5 x 10^2=__x10^3 2.5 x 10^2= 250 .25 x 10^3=250 The exponent tells us how many places to move the decimal. If the exponent is positive, move it to the right. If the exponent is negative, move it to the left.
September 29, 2010

science
How does the pH of rainwater vary throughout the United States in Texas, California , Pennsylvania Kansas , Massachusetts and, Washington ? thank you
September 29, 2010

math
1, 2, 3, 4 to make 7 (4+3)x(2-1) 13 (4x3)+(2-1) 17 and 39, I can't think of..keep playing around with the numbers.
September 29, 2010

Math
Is this 3x+23=7x? Or is there a sign between the 7 and x? If it's 3x+23=7x.. 23=4x 23/4=x
September 29, 2010

Algebra
You just found out what they have in common. All of the terms have at least an x^2, so you can take that out. All of the numbers can be divided by 2, as well, so your GCF is 2x^2.
September 29, 2010

Algebra help
(x-1)^2=sqrt6^2 Take the square root of both sides. x-1=sqrt6.. you have to know how to finish from here
September 29, 2010

MATH
4.8
September 28, 2010

5th grade math
I'm pretty sure she meant 3142, 6328, & 4743.
September 28, 2010

5th grade math
The first step is to add those numbers up. Let me know what you get and I'll tell you what to do from there.
September 28, 2010

algebra
r+s=10 2r+4s=27 Multiply the first equation by -2 to cancel the r's. -2r-2s=-20 2r+4s=27 2s=7 s=3.5 Put s back into either original equation to solve for r (the first one would be easier).
September 28, 2010

spanish
What are the man and the children like in the painting? Who is the woman, and what relationship is between her and the girls. Write a description of the three people.
September 28, 2010

college algebra
Please see your other post, and avoid re-posting the same question.
September 28, 2010

math
Correct.
September 28, 2010

Teachers Aide/Early Childhood Education and After-
I think 17 is A.
September 28, 2010

math
-8+-7=-15
September 28, 2010

english
Good job!
September 28, 2010

math
xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx 4 x 8 = 32 The first number always goes down and the second number always goes across because 4 x 8 = 32 means 4 groups of 8. You can use any symbol, not just X's.
September 28, 2010

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