Thursday
October 23, 2014

Posts by Angie


Total # Posts: 1,192

Math
When something says that I'll be tested on formulas for perimeter and area of polygons, does that mean I'll just have to know the formulas, or that I'll have to know how to use the formulas, or both?
May 25, 2009

Math
Consider the set of integers greater than -2 and less than 6. A subset of this set is the positive factors of 5. What is the complement of this subset? a. {0,2,3,4} b. {-1,0,2,3,4} c. {-2,-1,0,2,3,4,6} d. {-2,-1,0,1,2,3,4,5,6} I think it's d, even though it's not ...
May 25, 2009

Math
thanks
May 25, 2009

Math
How do you find the answer for this: Pam is playing with red and black marbles. The number of red marbles she has is three more than twice the number of black marbles she has. She has 42 marbles in all. How many red marbles does Pam have? a. 13 b. 15 c. 29 d. 33
May 25, 2009

Math
ok
May 25, 2009

Math
How do you solve this problem: Jack brought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. What is the cost of one slice of mushroom pizza? a. $...
May 25, 2009

Math
thanks
May 25, 2009

Math
What does it mean to solve a system of equations like y=x^2+4x-5 and y=x-1 graphically?
May 25, 2009

Math
thank you!
May 25, 2009

Math
How do you solve this question: The cost of 3 markers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. What is the cost of each item?
May 25, 2009

Math
thanks
May 24, 2009

Math
Write an equation that represents the line that passes through the points (5,4) and (-5,0). I got y=2/5 * x is that right?
May 24, 2009

Math
how can I graph -1 ¡Ü x ¡Ü 3?
May 24, 2009

Math
I have to draw the graph of y=2^x over the interval -1¡Üx¡Ü3. I don't know what they mean by over the interval..
May 24, 2009

Science
thanks
May 24, 2009

Science
Type Earth Science Reference Tables in google, and pick the 3rd one. Then go to page 15, the top.
May 24, 2009

Science
Which star shown on the luminosity and temperature of stars graph in the Earth Science Reference Tables is currently at the Sun's final predicted stage of development, and how do you know? a. Polaris b. Procyon B c. Sirius d. Rigel
May 24, 2009

Science
thanks
May 23, 2009

Science
Is there a relationship between the time of sunrise and the daily high temperature?
May 23, 2009

Math
thanks
May 23, 2009

Math
I think that "number sold" is the dependent variable, and "average price" is the independent variable. Am I right?
May 23, 2009

Math
thanks
May 23, 2009

Math
I'm making a graph, but I can't tell which is the independent or dependent variable? they are "dollars spent" and "gallons bought". which one depends on the other?
May 23, 2009

Math
Is it possible to factor 2w-1-w^3? If so, how?
May 21, 2009

Math
thanks
May 20, 2009

Math
In this problem: -2/a+2 + 3a/2a-1 First I made the denominators alike: -2(2a-1)/(a+2)(2a-1) + 3a(a+2)/(a+2)(2a-1) = -4a+2/(a+2)(2a+1) + 3a^2+6a/(a+2)(2a-1) What I want to know is if I can eliminate the a+2 for the first fraction, on both the numerator and the denominator?
May 20, 2009

Math
Can I simplify the second fraction by dividing the numerator and denominator by 3b?
May 20, 2009

Math
In this problem: 5/12b + 15/36b^2 First I made a common denominator: 15b/36b^2 + 15/36b^2 Then I simplified the first fraction: 5/12b + 15/36b^2 Can I simplify the second fraction by 3b? If I can, what am I supposed to get?
May 20, 2009

Math
Are you sure it isn't 10b?
May 18, 2009

Math
In (8b+2b^3)/(b-1), Do you have to put a zero coefficient in it?
May 18, 2009

Math
Which ordered pair is a solution of the system of equations y=x^2-x-20 and y=3x-15? a. (-5,-30) b. (-1,-18) c. (0,5) d. (5,-1) When I solved the system of equations I got 5 and -1. What do I do next?
May 17, 2009

Math
How do you do this, I keep on getting 3.. There is a right triangle. One angle is 30 degrees. The hypotenuse is 24. What is the value of x, the adjacent, to the nearest whole number? a. 12 b. 14 c. 21 d. 28
May 17, 2009

Math
Thanks
May 16, 2009

Math
What is an equation of the line that passes through the points (3,-3) and (-3,-3)? how do you figure this out: a. y=3 b. x=-3 c. y=-3 d. x=y
May 16, 2009

Math
I used an online graphing calculator..so maybe it's different like that?
May 16, 2009

Math
thanks
May 16, 2009

Math
Suppose Triangle ABC has right angle C. Find the measures of the other sides to the nearest whole number if...? the measure of angle A is 32 degrees, and the measure of AB is 42. For one side, I got 23, and for the other side, I got 35. Am I right?
May 16, 2009

Literacy
thanks
May 14, 2009

Literacy
Does flowering and blooming rhyme?
May 14, 2009

Math
thanks
May 14, 2009

Math
How do you simplify 5-4n/4n-5?
May 14, 2009

Math
thanks
May 14, 2009

Math
How do you factor 2x^2+2x?
May 14, 2009

Math
i meant the first instance. thanks
May 14, 2009

Math
Can you simplify 15 sqrt3 / 3 into 5 sqrt 3? why or why not?
May 14, 2009

French
How do you say the country Zaire in French?
May 13, 2009

Math
Simplify - sqrt 12b^2 * 2 sqrt 8b. I got -8 sqrt 6
May 12, 2009

Science
thanks
May 12, 2009

Science
I don't know..I think it's supposed to be switched in the southern hemisphere, so december?
May 12, 2009

Science
Why is it that in late August, the amout of sea ice surrounding the continent of Antarctica approaches its greatest extent? And why is it that in February, the sea ice surrounding Anarctica is at it's minimum extent?
May 12, 2009

French
oh, I forgot all about that..thank you!
May 12, 2009

French
in this: Question: ¨¤ qui aimes-tu rendre visite? Response: J'amie rends visite ¨¤ ma cousine. So my mistake was that it was supposed to be rendre, but I don't understand why..aren't you supposed to conjugate it to rends?
May 12, 2009

Math
thanks
May 11, 2009

Math
There's a right triangle. There's an angle that measures 41 degrees. The hypotenuse is x, and the angle opposite 41 degrees measures 25 in length. How can I find what x is? The proportion set up is 25/x, but how do you solve for x?
May 11, 2009

science
is able to change shape. this requires energy
May 11, 2009

Math
50. If you take half of 50, it's 25.
May 11, 2009

French
are you sure? This question was on a quiz I took, and my teacher circled rends and took off a point..
May 11, 2009

French
No, that was a typo. I meant to say J'aime. and both question marks are a with an accent grave.
May 11, 2009

French
What's wrong with my response in this: Question: À qui aimes-tu rendre visite? Response: J'amie rends visite à ma cousine.
May 11, 2009

Math
how does sqrt 18=3sqrt2?
May 11, 2009

Math
¡Ì means sqrt. Simplify (2¡Ì6+3¡Ì3)(¡Ì6-5¡Ì3) I got 15¡Ì2 -45.
May 11, 2009

Math
Another painting has length : width ratio approximately equal to the golden ratio (1 + sqrt 5) : 2. Find the length of the painting if the width is 34 inches.
May 10, 2009

Math
A firefighter is on the fifth floor of an office building. She needs to throw a rope into the wiindow above her on the seventh floor. The function h=-16t^2+36t models how high above her she is able to throw a rope. If she needs to throw the rope 40 ft above her to reach the ...
May 9, 2009

Science
thanks
May 9, 2009

Science
Why can there only be a solar eclipse with a new moon, not a full moon?
May 9, 2009

Science
thanks
May 9, 2009

Science
Is there another website? May 15th isn't on there..
May 9, 2009

Science
Is there any website that can tell me what the phase of the moon will be on May 15th?
May 9, 2009

Science
thanks
May 9, 2009

Science
what is the earth's time system based on? I think it's time zones..
May 9, 2009

Math
how did you get (10/12) sqrt 3?
May 9, 2009

Math
How do you simplify 5/¡Ì12? I know you have to multiply the denominator,¡Ì12, by a radical to make a perfect square.. I think you're supposed to multiply it by 12? But there seems to be other numbers multiplied by 12 that can make a perfect square...
May 9, 2009

Math
how do you solve this system? I'm using substitution.. y=3x+4 y=-x^2 First I combined it: -x^2=3x+4 I don't know how to solve it now..
May 6, 2009

Math
how many solutions are in this system: y=x^2+2x+5 y=-2x+1 I'm not sure, but I got no solutions.
May 6, 2009

French
do you know why I shouldn't include the ¨¤? and why the que shouldn't be there?
May 6, 2009

French
Question: Pendant que les vacances, ¨¤ qui rends-tu visite? My response: Pendant que les vacances, je rends visite ¨¤ ma grand-m¨¨re. am i right? i'm confused as whether or not i'm supposed to put the ¨¤ after visite.
May 6, 2009

Math
would i still get it right if i didn't factor out the gcf?
May 5, 2009

Math
on a test, if i put one of the answers i put above, would i still get it right?
May 5, 2009

Math
What do you get when you factor 2q^2+22q=-60? Is there more than one answer possible? I got 2 answers: 1. (2q+10)(q+6) 2. (2q+12)(q+5)
May 5, 2009

French
like you can't say "Le restaurant le plus bon est...",but you can say "Le restaurant le moins bon est...".
May 4, 2009

French
Why do you have to replace plus bon ina sentence with meilleur, but not when you're using moins bon?
May 4, 2009

Math
How did you get (3q + 1)(q +1) = 0? What happened to the 15?
May 4, 2009

Math
What are you supposed to get when you factor 3q^2+16q=-5? I got (q+3)(3q+1)
May 4, 2009

Science
ok thanks
May 2, 2009

Science
What time of day is hotter, 12 noon or 2pm? I know it's 2pm from experience, but I don't know why it's like that..
May 2, 2009

Math
thanks
May 2, 2009

Math
A math class has 25 students. There are 13 students who are only in the band, 4 students who are only on the swimming team, and 5 students who are in both groups. How many students are not in either group? I think it's 3 students?
May 2, 2009

French
thank you
May 1, 2009

French
is this correct too? this is what i ended up writing: La matière la plus utile est les sciences.
May 1, 2009

French
In French, how do you say "The ost useful subject is science? I need to know how to say the science part..is it plural, like math, and is it masculine or feminine?
May 1, 2009

French
thanks
May 1, 2009

French
yeah, that's the one! i remember now thanks
May 1, 2009

French
is there another way?
May 1, 2009

French
how do you say "subject" in french? I think there's one way to say it that starts with an m?
May 1, 2009

Math
the ways above is probably easier, but my teacher probably wants me to solve it by factoring..
April 30, 2009

Math
The sides of a square are all increased by 3 cm. The area of the new square s 64 cm^2. How can you find the length of a side of the original square?
April 30, 2009

Math
ok thanks..
April 30, 2009

Math
how do you factor 4x^2-35x-9=0?
April 30, 2009

Science
thank you!
April 30, 2009

Science
When it's winter in the northern hemisphere, it's summer in the southern hemisphere. So, if it's April in the northern hemisphere, is it still April in the southern hemisphere?
April 30, 2009

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