Science & Mathematics - 10 September 2007

.. By attaching it to a stronger power source?

2007-09-10 10:47:33 · 4 answers · asked by anonymous 4 in Engineering

How do people do that trick where you pick a number and multiply and divide it, and then at the end they guess the outcome number?

2007-09-10 10:47:00 · 3 answers · asked by Anonymous in Mathematics

Your tennis team is having a fundraiser. You are goint to sell sun visors and baseball caps to help? write an equation for the total amount you raide.
Part 2: Your team raises $4480, give 3 possible combinations of the sun visors and baseball caps that could have been sold if hte price of the sun visor was $3 and the baseball cap was $7. Please show step by step process.

thank you

2007-09-10 10:45:16 · 2 answers · asked by Anonymous in Mathematics

2007-09-10 10:45:12 · 6 answers · asked by sr 1 in Weather

If I scored 333 on an exam, and the mean is 250 with a standard deviation of 50, how did I do? Am I in the 80th percentile or something, or lower? Thanks

2007-09-10 10:43:59 · 3 answers · asked by heyhey022001 2 in Mathematics

Chairs for a meeting are arranged in six rows. Each row has the same number of chairs.

a. What is the minimum possible number of chairs that could be in the room?

b. Suppose 100 is the maximum number of chairs allowed in the meeting room. What other number of chairs are possible?

2007-09-10 10:42:21 · 6 answers · asked by Fernando M 2 in Mathematics

science.........

2007-09-10 10:41:57 · 4 answers · asked by Anonymous in Astronomy & Space

ya know in math? <333

2007-09-10 10:40:04 · 9 answers · asked by ana k 1 in Mathematics

I know one way they differ is containing a different number of neutrons in their nucleus. What's another way they differ? Is it that they could have a different amount of electrons outside the nucleus?

2007-09-10 10:39:55 · 5 answers · asked by Average Joes 4 in Chemistry

2007-09-10 10:39:12 · 3 answers · asked by cait 2 in Mathematics

write the number named by the underlined digit in 1.25 (the two is underlined)

write two and thirty-six hundredths as a decimal?

write in words- 0.92 15.8

2007-09-10 10:37:49 · 7 answers · asked by Anonymous in Mathematics

Can someone help me with this question? I am so lost!!!!!
Is this problem true or false and why?
11 is = to -(-11)

2007-09-10 10:37:12 · 9 answers · asked by Nikki 1 in Mathematics

it in the left-hand lane. If brandon accelerates at 5.00 m/s/s

a. how long will it take him to reach a speed of 30.0 m/s

b. how many meters will he travel during this time?

plzz help i'm totally lost

2007-09-10 10:35:47 · 1 answers · asked by Anonymous in Physics

2007-09-10 10:34:42 · 12 answers · asked by Anonymous in Astronomy & Space

Hoshi walks 10 meters in 3 seconds
What is her walking rate?
At this rate, how long does it take for her to walk 100 Meters?
Suppose she walks this same rate for 50 seconds. How far does she walk?
What is an equation that represents the distance d that Hoshi walks in t seconds?

Please help me with these questions I am clueless.

2007-09-10 10:33:47 · 11 answers · asked by Helen D 1 in Mathematics

A rocket sled has a ,mass of 4440 kg and is propelled by a solid-propellent rocket motor of 890,000-N thrust which burns for 3.9 sec.
a) what is the sled's average acceleration and max speed?
b) This sled has a max acceleration of 30g (30a). How can
that be considering the data given?
c) If the seld travels a distance of 1530m while attaining a top speed of 860 m/sec, what is its average acceleration? How did it attain that high a speed?

2007-09-10 10:32:19 · 2 answers · asked by DJ Ott 1 in Physics

2007-09-10 10:32:01 · 7 answers · asked by HTHstudent 1 in Weather

2007-09-10 10:25:31 · 1 answers · asked by Blue 1 in Earth Sciences & Geology

When they send stuff like the hubble space shuttle out, do they go up and across the solar system? Whenever teachers talk about the universe it always makes the solar system seem perfectly horizontally aligned, is this true?

2007-09-10 10:25:24 · 4 answers · asked by joezen777 5 in Astronomy & Space

when you solve for x:

-3x >3
__ __
-3 -3

x is -1 but is it x<-1 or x>-1

What is the rule with flipping inequalities when dividing? Thank you

I know x equals -1 but do you flip the sign to be <-1 or leave it as >-1?

Thank you

2007-09-10 10:25:19 · 14 answers · asked by ScoTT 1 in Mathematics

thanks

2007-09-10 10:23:42 · 6 answers · asked by Diana G 1 in Astronomy & Space

sam works 12 hours a week.he recently received a 5% raise and his new weekly pay is 115.92 . what is his weekly pay before raise?what was his hourly pay before the raise?

2007-09-10 10:23:12 · 6 answers · asked by tita 2 in Mathematics

we had to also make something that we could put aroundt he egg so it would break

2007-09-10 10:23:10 · 5 answers · asked by sarahmichelle876 2 in Physics

I would like to find out why it is that when you have a camp-fire, the wood that you burn pop's all the time? Some say it's bugs, but I think it's from gases.

2007-09-10 10:22:17 · 4 answers · asked by Anonymous in Earth Sciences & Geology

3(x-5)+2(3x+1)=45

-2(x+4)+6=-3

2007-09-10 10:20:13 · 1 answers · asked by blah! 3 in Mathematics

2 − 3a − 5 / 4 = 6-7a / 3

2007-09-10 10:19:53 · 5 answers · asked by Anonymous in Mathematics

A smart shopper bought 5 pairs of shorts and 8 tops for a total of $108. if the price of a pair of shorts was twice the price of a top, the nwhat was the price of each type of clothing.

2007-09-10 10:19:09 · 8 answers · asked by Detricia W 1 in Mathematics

Ok what I need to know is if my power meter is 10' from my house will my power consumption be less than it would if it was 500' from my house. The reason I want to know is because of the cost of labor and power poles charged by the power company.

2007-09-10 10:18:22 · 4 answers · asked by danny_reason 1 in Engineering

2007-09-10 10:17:54 · 2 answers · asked by Anonymous in Earth Sciences & Geology

here it is:

4x-5=4x+10

2007-09-10 10:16:23 · 7 answers · asked by blah! 3 in Mathematics