Thursday
September 18, 2014

Posts by Jen


Total # Posts: 3,262

Algebra
Donna, almost all of your posts contain an equation or something similiar without a question. You have to tell us what the directions are. We aren't mind readers.
January 7, 2011

math
You're going to need to use a ruler. We can't help you online with this..
January 6, 2011

Math
8x+2y+11=0 2y=-8x-11 y=-8/2x-11/2
January 6, 2011

Math 208
x+3y=2 -x+y=1 so y=x+1, substitute that into the 1st x+3(x+1)=2 x+3x+3=2 4x+3=2 4x=-1 x=-1/4 Substitute that into either of the original equations to solve for y.
January 6, 2011

precal
Why is there no corresponding point on tan^-1(x) for the (135,-1) on the graph tan(x). Thanks!
January 6, 2011

7th grade math
6+x=2x-14 Letters on one side, numbers on the other. Subtract x from both sides. 6=x-14 Add 14 to both sides. 20=x
January 6, 2011

math
The lines mean absolute value. It means to make whatever is inside positive. |2|=2 |-2|=2 -|2|-2 -|-2|=-2 Get it? Always do the absolute value part first.
January 6, 2011

math
Jess is right, it's add. 5 * 3 = 15. 5 * 2 = 10 and 5 * 1 = 5, 10 + 5 = 15.
January 6, 2011

math
(3.5x10^-3)(4.2x10^7)
January 5, 2011

math
6(n+2)-(4-n)
January 5, 2011

english
It's a personification, because it gives the lake a human quality (being wrinkled).
January 4, 2011

math
No solution.
January 4, 2011

pre algebra
All of the whole numbers between -4 and 6, not including them since it's not <=. -3, -2, -1, 0, 1, 2, 3, 4, 5.
January 4, 2011

math
I'll do the first one. x+8>15 You want to get the letters on one side and numbers on the other. Subtract 8 from both sides. x>7
January 4, 2011

algebra 2
2x+5y=10 x-3y=-6 Multiply the 2nd equation by -2 so that the x's cancel. 2x+5y=10 -2x+6y=12 Add the lines together. 11y=22 Solve for y, replace that in either original equation to solve for x.
January 4, 2011

MATH PRE-ALGEBRA
It should be an open dot because it's an inequality. It would be a closed dot if it was an equality, such as x=3.
January 3, 2011

Algebra 1
It's not a solution. It would have to say x>=-4 for that to be true. -4 is not more than -4.
January 3, 2011

algebra
half
January 3, 2011

math
Perimeter means to add the sides. Pool A: 10+2+10+2 Pool B: 7+7+7+7 Which is more?
January 3, 2011

algebra
2x+7+14=2x+21
January 2, 2011

algebra
9(2)-4.5=?
January 2, 2011

Algebra
.5x+7<=1.3x-8 7<=.8x-8 15<=.8x 18.75<=x or x>=18.75
January 2, 2011

Math
Should that say x^2+8x+15? I think it should..
January 2, 2011

math
what is the inverse function of f(x)=3/x-4
January 2, 2011

integrated algebra
8y-11<5 or 13<4y-7 8y<16 or 20<4y y<2 or 5<y, y>5 so y<2 or y>5
January 2, 2011

algebra
never
January 2, 2011

geometry
All I can suggest to do is draw it. I got (-3,-2)..im sure it's something like that.
January 2, 2011

eng 20 F
Try searching No Fear, Shakespeare online. It's very helpful.
January 2, 2011

Social Studies
Louisiana
January 2, 2011

algebra 2
(-3)^2-6(-3)+3
January 1, 2011

math
Just reduce each..15/30=1/2 and so on
December 31, 2010

Geometry
Since it's an equilateral triangle, AB=BC. 3x=2x+12, solve for x.
December 29, 2010

Math
You just divide it. 19/3=6 remainder 1, and the denominator stays 3.
December 29, 2010

pharmacy tech
To find out if a drug causes nausea, you would look in this section of the drug monograph
December 29, 2010

math
i/o 1 5 +4 2 8 +6 4 14 +10 8 ? +16 8+16=? (Input is doubling.)
December 28, 2010

algebra
3/4=60/x, cross multiply and solve
December 27, 2010

Algebra
a^2+b^2=c^2 The two sides are equal and you know c, so.. 2a^2=50 Solve for a.
December 27, 2010

math
It is B. For a great website on this, see h t t p : / / w w w . r e g e n t s p r e p . o r g / R e g e n t s / m a t h / a l g t r i g / A T E 3 / d i s c r i m i n a n t . h t m (without the spaces, obviously)
December 27, 2010

'Twas the Night Before . . .
Thanks for sharing! Did anyone notice it says Donder instead of Donner? lol.
December 24, 2010

distributive property
What's 5 *6x? What's 5 * 9? Remember to separate the two terms with the plus sign.
December 23, 2010

math
Just divide it out. 8/11=.727272 etc = .73
December 21, 2010

5th grade math
Inverse operations are like "opposites", what undoes the operation. Multiplication and division are inverses, as are addition and subtraction. For example, if you have 4x+2=10, you have to use the inverse of addition (subtraction) to get rid of the 2. 4x+2=10 ...
December 19, 2010

Math
y=7x
December 19, 2010

math
Tyler, I did one of these for you yesterday. You should be able to do them on your own now. Don't post any more of these problems without attempting them yourself (and showing work) first!
December 18, 2010

math
What are you asked to do with this?
December 17, 2010

Math
ASA
December 17, 2010

Math
Make up set of 7 numbers having these landmarks: mode 21, Median 24, maximum 35, range 20. If the maximum is 35 and the range is 20, that means the minimum is 15. 15 __ __ __ __ __ 35 We know the median (number in the middle) is 24. 15 __ __ 24 __ __ 35 The mode (used most ...
December 17, 2010

math
Where are your answers?
December 17, 2010

5th grade
3 * 3 * 3 = 27
December 17, 2010

spanish
You can respond as follows: Yo tengo que comprar un/una ________ para el cumpleaños de mi madre/padre.
December 16, 2010

writing in math
He/she needs a multiplication story, not a division story. 5 classmates each have 2 pencils. How many pencils do they have in all? 5 * 2 = 10 pencils
December 16, 2010

math
sentence*
December 16, 2010

math
There are two factors in that sentences, the 9 and 4.
December 16, 2010

7th math
At the mall, you spent a total of $170.86. You bought 2 pairs of jeans for $ 39.95 each,a jacket for $45.99, and shirts for 14.99each. How many shirts did you buy? jeans=$79.90 jacket=45.99 total cost so far=125.89 170.86-125.89=$44.97 14.99x=44.97..solve for x, that's ...
December 16, 2010

Math
120abc
December 16, 2010

math
Yes. If the groups were equal, you could multiply them to get the answer quicker. Since they are unequal, you can only add.
December 15, 2010

Math
Where was this when I was in school?? LOL.
December 15, 2010

Aims math [help please very appreciated]
15x+4=21+2x Subtract 2x from each side. 13x+4=21 Subtract 4 from each side. 13x=17 Divide each side by 13. x=17/13
December 15, 2010

algbra 2
Yes.
December 15, 2010

algbra 2
sqrt8/sqrt9=sqrt8/3
December 15, 2010

Math
9 1/8 - 2 5/8 Since you can't do 1/8-5/8 because you can't do 1-5, you have to "borrow".. 9 1/8 becomes 8 9/8...if it was just 9 it would be 8 8/8 because 8/8=1..so it's 8 9/8 8 9/8-2 5/8=?
December 15, 2010

math-still needs help
That's not what he's referring to, Gabby. David, that means out of 25, pick 8. I forget how to solve these though, so hopefully someone else will respond.
December 15, 2010

3rd grade Shurley English
The responses were not by the 3rd grader, only the question was.
December 15, 2010

math
9-2(3x+1)>37 9-6x-2>37 7-6x>37 -6x>30 x<-5 (When dividing by a negative, greater than becomes less than and vice versa.)
December 15, 2010

math
Already done. Check your other post.
December 15, 2010

math
What's the LCM of 10 and 12?
December 15, 2010

Math
Thanks!! :)
December 14, 2010

Math
A punter's first four punts in a football game are 30 yds, 20 yds, 27 yds, and 29 yds. After a fifth punt, the punter's mean was 30 yards. How long was the fifth punt? Please help!
December 14, 2010

Algebra
(11+12+5+3+x)/5=7.4 31+x/5=7.4 Multiply both sides by 5 31+x=37 x=6
December 14, 2010

english/grammer/manners
Yes, there is a common between yes, ma'am. No, I don't think it's necessary to say that. I think it's a bit old school. There are other ways to show respect besides that.
December 14, 2010

Substitution method
x=2y y=2x+3, y=2(2y)+3 y=4y+3 Solve that and then replace it to solve for x. You can post your answer if you want it checked or need more help.
December 14, 2010

incomplete
TR=what?
December 14, 2010

algebra
3/8+y=-3/16 y=-3/16-3/8 y=?
December 13, 2010

INCOMPLETE
Write WHAT as a product of factors?
December 13, 2010

11th grade
Yes, that will actually be a right triangle. You can do the pythagorean theorem to check it.
December 13, 2010

math
1/2x+1/3y=5 1/4x+1/3y=4 First I want to get rid of the fractions..multiply the first equation by 6 and the second one by 12. 3x+2y=30 (1) 3x+4y=48 (2) Now multiply the first equation by -1. -3x-2y=-30 3x+4y=48 Add the equations together. 2y=18 Solve for y, put it back into (1...
December 13, 2010

Algebra
Using the compound intrest formula's A=P(1+r/n)^nt and A=Pe^rt to solve the problem given. Round the answer to the nearest cent. I have to find the accumulated value of and investment of $20,000 for 6 years at an intrest rate of 4.5% compounded semiannually,quarterly,...
December 12, 2010

Algebra
2-1=1 and 1-2=-1
December 12, 2010

Math
I don't think you just multiply the numbers for this one. If the question said that he was going to all 4 office stores, all 4 electronic stores, all 8 clothing stores, and all 5 sporting goods stores and asked how many ways can he do that, then you would multiply them all...
December 12, 2010

6th grade
10
December 10, 2010

MATH
What number? I would guess A since it's a set of ten and could've been rounded, but cannot tell without seeing the number.
December 10, 2010

Math
3, 6..They are increasing by 3 Bottom row is decreasing by 4
December 9, 2010

Algebra one :)
To rewrite in Ax+By=C form, rearrange the terms so that x and y are on the left and the number is on the right. 5y-6=2x+3 Subtract 2x from both sides. -2x+5y-6=3 Add 6 to both sides. -2x+5y=9
December 9, 2010

Math
You can't solve that unless you have more information that you forgot to include.
December 9, 2010

chem
2.62g
December 8, 2010

English
o Identify which paragraph was more effective and analyze why this is so. o Include a discussion of sentence variety and the rhythm of the author’s writing. o Focus on the writing rather than the opinions presented. o Underline your topic sentence. Did I do everything ...
December 8, 2010

physics
The coefficient of kinetic friction for a 22 kg bobsled on a track is 0.20. What force is required to push it down a 6.0° incline and achieve a speed of 70 km/h at the end of 75 m?
December 8, 2010

Math
Right. So what's 120 minutes from 3:00?
December 7, 2010

Math
LCM, not GCF
December 7, 2010

physics
what happens to the force of frictionif the coefficient of friction was reduced by one thrid
December 7, 2010

6th grade
All negatives would be negative, all positives would be positive, a positive and 2 negatives would be positive, 2 positives and a negative would be negative..
December 7, 2010

English
I need a 150 word paragraph with the the bullets at top say
December 7, 2010

English
· Read two of the five paragraphs on the second page of this appendix. Write a brief paragraph of about 150 words in which you do the following: · o Identify which paragraph was more effective and analyze why this is so. o Include a discussion of sentence variety...
December 7, 2010

error
9.8c + 8d - 4.6c + 2.9d 9.8c - 4.6c + 8d + 2.9d 5.2c+10.9d
December 7, 2010

2nd grade math
54
December 7, 2010

5th grade
Add 18 to get each number.
December 7, 2010

government
what is something i would find on commissioners court AGenda and not in city council court agenda?
December 7, 2010

math
That's what I'm thinking. It should work if you make the left and right sides the same and the top parts of "the house" the same. You can make the left and right both 5, and all other parts 2.
December 7, 2010

spanish
To tell how long it would take you, I would say it aloud just like you would for the exam and time yourself. You could also have someone else time you. I would do this at least twice.
December 7, 2010

6th grade
Two negatives make a positive, and 20/10=2, so your answer is 2.
December 7, 2010

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