Saturday

April 19, 2014

April 19, 2014

Total # Posts: 29

**math**

What is mental math?

**math**

How can you order 3 fractions by using a number line?

**math**

One batch of fruit salad has equal amounts of which kinds of fruit?Explain how you decided.

**math**

How can you order 3 fractions by using a number line?

**social studies**

How many regions does the United States have?

**math**

Marty ate 1/4 of his pizza and Luis ate 1/3 of his pizz.marty ate more pizza than luis.how is that possible?

**math**

Why is 1/8 greater than 1/10 but less than 1/3?

**unkown**

How many people have 91% of vitiamans?

**math**

28 kids were waiting at a bus stop.19 kids went to play.How many kids are waiting at the bus stop?

**fractions**

Eric and frank want to share 1and 1/3 feet of rope . What length of rope should each friend get?

**Math**

Sally bought a sweater for $46.75 that originally cost $85.00. What was the percent of decrease from the original to the sale price?

**3rd grade math**

7/10 is greater

**3rd grade math**

7/10 is greater

**algebra**

I think the green creatures had about 12 and for the amount of blue creatures is 32 and the exception of the leader of the aliens which states that it had 3 heads and 4 feet to complete the solution of this problem.

**physics**

What is the wavelength of the peak of the blackbody radiation curve for the human body (T = 310 K)?

**physics**

The wavelength of an electromagnetic wave is measured to be 600 m. What is the frequency of the wave?

**Physics**

The generator at a power plant produces AC at 24,000 V. A transformer steps this up to 345,000 V for transmission over power lines. If there are 2,000 turns of wire in the input coil of the transformer, how many turns must there be in the output coil?

**physics**

What is the frequency of the EM wave emitted most strongly by a glowing element on a stove with temperature 1,500 K

**Chemistry**

What mass of baking soda (NaHCO3) would be required to neutralize 10.00mL of 12.1M muriatic acid remaining in a empty water bottle? HCl(aq)+NaHCO3(aq)=>NaCl(aq)+CO2(g)+H2O(l)

**chemistry**

Thanks Dr.Bob!

**science**

need a science project for 7th grade using toy train.

**space**

what is the day and nigh time temp. on jupiter

**space**

thanks -i know that its not an exast answer did a hole project on it... but the teacher asked so an estimated answer is all i need... as i said thanks any way ...

**space**

gowing 10,00 miles per hour how long will it take to get to jupiter from earth with earth the sun and jupiter alined like a straight line or just an estimation

**space**

yes i know ... say at opposie sides of the sun.

**space**

traveling 10,000 miles per hour how long will it take to get to jupiter from earth

**math**

two trains leave at the same time from stations 284 miles apart, traveling toward each other at 33mph and 38 mph respectively. how long will it take them to meet?

**physics**

Acceleration is Delta V, over Delta T which equals V2-V1, over Delta T Delta referring to the change in velocity and change in time

**math**

Might be subtraction.so I don't know this.

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