Friday

August 28, 2015
Total # Posts: 3,341

**math**

Commutative means you just switch the numbers around and get the same answer.
*September 15, 2010*

**A gift of money**

That's a strange question..
*September 15, 2010*

**geometry**

Supplementary means adds up to 180. Complementary adds up to 90. -10x+53-5x-8=180
*September 15, 2010*

**5th grade**

The mode is the number that occurs the MOST. Which number here do you see more than any other number?
*September 14, 2010*

**11th grade math**

4(x^2-4x+3) You can factor this further by seeing which 2 numbers subtract to 4 (your middle term) and add to 3 (your last term). Post if you want it checked/need help.
*September 14, 2010*

**math**

I'm not positive, but I think you do it like this. Check my work based on your notes/textbook. 6C2=6!/(6-2!)2!=6!/4!2!=6X5X4X3X2/4X3X2X2=(cross out 4x3x2 on the top and bottom)=30/2=15
*September 14, 2010*

**verb and noun**

The noun is the person, place, or thing. The verb is the action.
*September 14, 2010*

**computer**

We don't do the work for you. Is there anything specific that we can HELP you with?
*September 14, 2010*

**math **

Correct.
*September 14, 2010*

**ALGEBRA 2 URGENT! PLEASE HELP!**

Since 8^2=64, set 2^x-1=2, 2^1=2 so x-1=1, x=?
*September 14, 2010*

**Algebra**

2x=x+45 x=?
*September 14, 2010*

**geometry**

3x-5=x+17
*September 14, 2010*

**HS Math**

Please help answer.. What is the principle of powers? When solving a radical equation how do we use the principle of powers to eliminate radicals
*September 14, 2010*

**math**

9 3/4-4 1/2= 9 3/4-4 2/4=5 1/4
*September 14, 2010*

**5th grade**

3x9=27 (The first number, 3, is the amount going down and the second number, 9, is the number going across.) xxxxxxxxx xxxxxxxxx xxxxxxxxx
*September 14, 2010*

**Math**

A factor of 28 is __. A multiple of 7 is __. 28 is divisible by __. ....
*September 14, 2010*

**spanish**

Tengo dos novios. (You said you had a boyfriend, and then she replies that she has two boyfriends.)
*September 14, 2010*

**preAlgebra**

Look at it this way: if you have money, it's a positive number and if you owe money, it's a negative number. You owe $4, you owe $9..do you owe money or have money? That tells you your sign. How much?
*September 14, 2010*

**HS Math**

Please help answer this.. What is the principle of powers? When solving a radical equation how do we use the principle of powers to eliminate radicals
*September 14, 2010*

**math**

.83 is read as 83 hundredths because it goes up to the hundredths place. If you don't know this, study place value. So you re-write it as 83/100 and then simplify to 5/6.
*September 13, 2010*

**john marshall**

Erica, did you see my post above? x+7+17=2x,x+24=2x, x=?
*September 13, 2010*

**john marshall**

Do you see how ab+bc=ac? Then x+7+17=2x. Can you go from here?
*September 13, 2010*

**math**

It's quicker and it helps you get to a close answer.
*September 13, 2010*

**algebra 2**

1/2(9+2) 1/2(11)=?
*September 13, 2010*

**10th grade math**

You can use another variable there, such as x if you want. That's as far as you can get the equation with the information given.
*September 13, 2010*

**10th grade math**

5-p=?
*September 13, 2010*

**9th grade math**

Product means multiply, so: 6y
*September 13, 2010*

**math**

3 hrs. I drew a picture to help me with this one.
*September 13, 2010*

**Probability**

I would guess 50% since it's always a 50% chance that you get an odd/even..
*September 12, 2010*

**Pre Calc**

a)4!/1!(4-1)!=4 x 3 x 2/3 x 2, cancel out the 3's and 2's=4 You do b and c. Post your answers if you'd like them checked.
*September 12, 2010*

**algebra 1**

15.6-17.9=?
*September 12, 2010*

**math**

And to find the price of the socks, including tax, you can do 2.99 x 1.055
*September 12, 2010*

**7th grade Math**

A rectangle has 2 pairs of congruent sides so 2(x+6)+2(4x-5)=2x+12+8x-10=10x+2
*September 12, 2010*

**math**

I think I did this for you the other day? Get out a calculator or do it with paper and pencil: 680 x .22
*September 12, 2010*

**science**

A simple strategy would be to replace each option with groveling in the sentence above and see what makes sense. Quit ignoring, Lou! Of course I'll help you. That's the first one. Now try the rest.
*September 12, 2010*

**keyboarding and word processing**

Just keep typing random words and see if they continue to the next line or if you have to hit enter.
*September 12, 2010*

**math**

Reciprocal of 19/3 is 3/19. You just flip the fraction. To find a reciprocal of a whole number, put 1 underneath it and flip. Ex: 7=7/1, reciprocal=1/7.
*September 12, 2010*

**Pre CALCULUS**

What happens when you subtract x from both sides? It doesn't work. Plug in any number to see why. If x=1, then x+5=6. X always has to equal x and nothing else, so there are no solutions to this.
*September 11, 2010*

**algebra**

Since 3^5=243, set 2x+1=5 and solve.
*September 11, 2010*

**CORRECTION**

a=-4
*September 11, 2010*

**Algebra**

1. Sorry, I was never good with radicals. 2. 7x-3=4x+9 You want to get the variables (letters) on one side and numbers on the other. Add 3 to both sides: 7x=4x+12 Subtract 4x from both sides: 3x=12 Divide both sides by 3: x=? 3. 12-4x=x^2 x^2+4x-12 Now factor it. You are ...
*September 11, 2010*

**math**

680 x .22 = ?
*September 11, 2010*

**geometry**

ab+bc=ac 3x+5x=8 8x=8 x=? bc=5x Put what you got for x in and solve.
*September 10, 2010*

**COMPUERS**

LOL..are you serious Sammi?
*September 10, 2010*

**Inequalities**

You're very close but you left out one thing. You have to divide to find averages, so: (99+91+85+x)/4>=90 99+91+85+x=360 Take it from here.
*September 9, 2010*

**11th grade**

I think it says what do you do after gym class (without the question mark)...Entonces, voy a la mi clase de matematicas. (Then, I go to math class.)
*September 9, 2010*

**9th **

Rewrite the problem. It makes no sense. What are the symbols between the 9 and 3 and the 3 and 4?
*September 9, 2010*

**English**

Yes, you are right.
*September 9, 2010*

**10th grade**

I think you would then multiply that by 2, since it says to expect double production..?
*September 9, 2010*

**math**

Multiply either or both equation(s) to eliminate either the x's or y's. In this cas, multiply the top by 3 and the bottom by 2 to eliminate the x's. -6x+15y=42 6x+4y=34 The x's cancel and you add what's left. 19y=76 y=? Then put y back into either ORIGINAL ...
*September 9, 2010*

**Spanish**

You said no, he is tall or short. El no es alto o bajo. The no goes before the verb.
*September 9, 2010*

**math**

billions, hundred millions, ten millions, millions, hundred thousands, ten thousands, thousands, hundreds, tens, ones Those are the places of every digit of that number. The digit/numeral in the ten thousands place is the 6. See what I wrote above? The ten thousands place is ...
*September 9, 2010*

**algebra**

Well, if there are 4 scores and seven years in 87 years... 4s+7=87, solve for s
*September 9, 2010*

**6th grade**

Is there anything specific that you need help with?
*September 9, 2010*

**Math**

a=5/9-5/12 a=20/36-15/36 a=?
*September 9, 2010*

**Math**

To get from 3 to 12 on the bottom, what number do you multiply by? Multiply that by the 2 (on the top).
*September 9, 2010*

**Geometry**

The subject is geometry.
*September 9, 2010*

**english**

I agree. Also, make the following changes: twenty's-->twenties She had a big, bright brown...-->She had big, bright brown...
*September 8, 2010*

**science**

2.8 x 10^2 mm
*September 8, 2010*

**algebra **

9, 11, 13, etc written as (9,infinity)..I don't know how to make the infinity symbol here
*September 8, 2010*

**math**

The temperature dropped from 37 degrees C from the high temperature to read a low of-8 degrees C. What was the high temperature?
*September 8, 2010*

**2nd grade**

5 (highest number)-1(lowest number)=4
*September 8, 2010*

**Mathh!!**

x-y can't equal 0.
*September 8, 2010*

**Math**

If you want to post what you think the mean, median, and mode are now, we can check your answers for you.
*September 8, 2010*

**English**

Erik/Joel/Samantha, stop switching names. We do not care if you put up multiple posts (although you should attempt at least a guess at the answers...) as long as you don't switch names!
*September 8, 2010*

**English**

How about people who play the lottery are fools?
*September 8, 2010*

**math**

1+j=4j+2 Subtract 1 from both sides j=4j+1 Subtract 4j from both sides -3j=1 Divide both sides by negative 3 j=-1/3
*September 8, 2010*

**math**

c/7+2=1 c/7=-1 c=-7
*September 8, 2010*

**math**

6-3a/2=-6 -3a/2=-12 -3a=-24 a=8
*September 8, 2010*

**math 115**

8000<=x<=12000
*September 7, 2010*

**Math 116**

See your other post. An example of an inequality is x+4<=5
*September 7, 2010*

**Science**

So you know which one you are talking about. If everyone talks about Hurricane Katrina, you know about it right away.
*September 7, 2010*

**5th Grade Math**

0.38 = (3 X 0.1) + ( X ) 0.38= .3+x Subtract .3 from both sides .08=x I don't know why you said it's asking for two answers. I really think this is the only answer.
*September 7, 2010*

**solving equations fractions**

Please post a problem that we can help you with.
*September 7, 2010*

**10th grade**

x^2+4x-60=0 You have to look for two numbers that multiply to the last term (-60) and add to the middle term (4). In this case, the numbers are 10 and -6. We write them like this: (x+10)(x-6) Check my work.
*September 7, 2010*

**algebra**

5<=s<=14
*September 7, 2010*

**spanish **

You use yo for I/me, tú for you (informal, as if you're talking to a friend), él when you mean him, ella for her, nosotros for we, ellos for a group of guys/or guys and girls, ellas for a group of girls only, Ud. for you (formal), Uds. for all of you. I will ...
*September 7, 2010*

**spanish**

Me llamo a Antonela. a was left out. You always put an a before a name.
*September 7, 2010*

**Math**

-x/3>=2 -x>6 x>-6
*September 7, 2010*

**essay**

I think it sounds really good but you need to work on making it into more sentences. The beginning is a very long run on sentence.
*September 7, 2010*

**math**

-17x-13=370 Can you go from here?
*September 7, 2010*

**spanish**

First of all, relax. All of the people that respond to these posts are VOLUNTEERS. Nobody gets paid to help you. People help because they like to help. It would be nice if the people that we help could have patience and thank us when they get help. Second of all, I am a bit ...
*September 7, 2010*

**algebra**

You have to post questions. We do not have information from any school.
*September 6, 2010*

**math**

Brian, Stop switching names. All you have to do is substitute. x(x+2)=8 x^2+2x=8 x^2+2x-8=0 Use the quadratic formula and double check my work.
*September 6, 2010*

**math**

96=3.142 x r x 12 96=37.704r 96/37.704=r
*September 6, 2010*

**math**

x^2-2(x+1)^2=11 Go from here
*September 6, 2010*

**health**

Breakups
*September 6, 2010*

**Math grade 10**

Duplicate post. See your other post for the answer.
*September 6, 2010*

**English**

I would eliminate "hard" in #2.
*September 5, 2010*

**maths**

What is the last number? I think the last digit got cut off. The mode is the number that occurs most often. Just by looking at the data, I would guess the mode is 15 because it looks like there is more 15's than any other number. Check that.
*September 5, 2010*

**algebra**

3.8>-4.1>-4.3
*September 5, 2010*

**algebra**

x-125 (x is the amount you have in your bank account). You oould also do x-125=y, where y would equal have much you have left in your account after the withdrawal.
*September 5, 2010*

**Health, Safety, and Nutritio**

I think it's C.
*September 5, 2010*

**10th grade**

Or you can see the denominator (bottom number) is multiplied by 3 to get from 9 to 27 so you multiply the numerator top number by 3. 4 x 3 = 12
*September 5, 2010*

**Math**

25+12=37 25-12=13 37*13=481 so the answer is 481??
*September 5, 2010*

**Math**

PLEASE HELP ME FACTOR COMPLETLEY. 25w^2-144
*September 5, 2010*

**Math**

5 is correct. I don't think there is another answer.
*September 4, 2010*

**algebra**

use the quadratic formula to solve the equation 2x^2-3x=-6
*September 4, 2010*

**spelling**

I am proficient at _____________. Fill in the blanks with something you are proficient at. Look up the meaning in the dictionary if you are unsure of the meaning.
*September 2, 2010*