# Posts by Angie

Total # Posts: 1,409

**Math**

What's the time difference between 8:30 AM and 12:00 noon?

**French**

thanks

**French**

Why is it that when you say "Je joue au hockey" you can't use le hockey?

**Science**

that means it's c, right?

**Science**

On June 21, where will the Sun appear to rise for an observer located in New York State? a. due west b. due east c. north of die east d. south of due east I just know it can't be a..

**Math**

Describe how you could find the 75th percentile score in a set of 20 scores.

**Math**

How do you find the percentile rank of 4.6?

**Math**

The prices of 7 race cars are 126,000 140,000 140,000 180,000 400,000 400,000 819,000 The mean is $315,000? the median is 180,000 which of these measures of central tendency best represents the value of the seven race cars and why??

**Math**

thanks

**Math**

Sophie measured a piece of paper to be 21.7 cm by 28.5 cm. The piece of paper is actually 21.6 cm by 28.4 cm. Determine the amount of square centimeters in the area of the piece of paper using Sophie's measurements.(I got 618.45 sq cm) Determine the number of square ...

**French**

In chemise and chemisier, which one is masculine and which one is feminine?

**French**

What's wrong with this sentence? Un "A" est meilleure q'un "F". I think there's something wrong with q'un

**French**

What's wrong with this sentence: "Vous maigrissez." I think there's supposed to be something before and after maigrissez.

**Science**

never mind, I got it..does it take a P-wave about 5 minutes 40 seconds to travel 3000 km?

**Science**

In the Earth Science Reference Tables (you can find them at google), on pg 11 on the bottom where there's the Earthquake Travel Time Graph, on the y-axis, what does each box equal? like for the x-axis, each box between 1 and 2, and 2 and 3 is 200 km, what what about the ...

**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?

**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 ...

**Math**

thanks

**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

**Math**

ok

**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. $...

**Math**

thanks

**Math**

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

**Math**

thank you!

**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?

**Math**

thanks

**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?

**Math**

how can I graph -1 ¡Ü x ¡Ü 3?

**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..

**Science**

thanks

**Science**

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

**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

**Science**

thanks

**Science**

Is there a relationship between the time of sunrise and the daily high temperature?

**Math**

thanks

**Math**

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

**Math**

thanks

**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?

**Math**

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

**Math**

thanks

**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?

**Math**

Can I simplify the second fraction by dividing the numerator and denominator by 3b?

**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?

**Math**

Are you sure it isn't 10b?

**Math**

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

**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?

**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

**Math**

Thanks

**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

**Math**

I used an online graphing calculator..so maybe it's different like that?

**Math**

thanks

**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?

**Literacy**

thanks

**Literacy**

Does flowering and blooming rhyme?

**Math**

thanks

**Math**

How do you simplify 5-4n/4n-5?

**Math**

thanks

**Math**

How do you factor 2x^2+2x?

**Math**

i meant the first instance. thanks

**Math**

Can you simplify 15 sqrt3 / 3 into 5 sqrt 3? why or why not?

**French**

How do you say the country Zaire in French?

**Math**

Simplify - sqrt 12b^2 * 2 sqrt 8b. I got -8 sqrt 6

**Science**

thanks

**Science**

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

**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?

**French**

oh, I forgot all about that..thank you!

**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?

**Math**

thanks

**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?

**science**

is able to change shape. this requires energy

**Math**

50. If you take half of 50, it's 25.

**French**

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

**French**

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

**French**

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

**Math**

how does sqrt 18=3sqrt2?

**Math**

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

**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.

**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 ...

**Science**

thanks

**Science**

Why can there only be a solar eclipse with a new moon, not a full moon?

**Science**

thanks

**Science**

Is there another website? May 15th isn't on there..

**Science**

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

**Science**

thanks

**Science**

what is the earth's time system based on? I think it's time zones..

**Math**

how did you get (10/12) sqrt 3?

**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...

**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..

**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.

**French**

do you know why I shouldn't include the ¨¤? and why the que shouldn't be there?

**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.

**Math**

would i still get it right if i didn't factor out the gcf?

**Math**

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

**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)

**French**

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

**French**

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

**Math**

How did you get (3q + 1)(q +1) = 0? What happened to the 15?

**Math**

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

**Science**

ok thanks

**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..