Thursday

August 21, 2014

August 21, 2014

Total # Posts: 45

**9th grade math**

4x^2=80x-400
*April 8, 2014*

**9th grade math**

x^2+8x+16=25
*April 8, 2014*

**9th grade math**

4m^2-24m+36=0
*April 8, 2014*

**math**

what is 1 and 3/4 as an improper fraction?
*February 12, 2014*

**physics**

.10 kilogram rocket designed to deliver an impulse of 6 newtons seconds. If the rocket engine burns .75 seconds, what average force does it produce.
*November 18, 2013*

**Physics**

What happens to the brightness of light emitted by a light bulb when the current in the filament increases?
*August 18, 2013*

**Math**

142 differet dishes of vegetables and fruits were prepared. If 42 more vegetable dishes were prepared than fruit dishes how many dishes of each kind were served?
*February 27, 2013*

**Math**

Invitations were sent one week before the big event. Replies started coming in the following Monday. On Tuesday 2 more replies had been received than on Monday. On Wednesday, 11 more than one half the number of replies received on Monday were received, If a total of 53 ...
*February 27, 2013*

**Math**

The perimeter of a quilt had to be 34 feet because he only had that much binding. If he wanted it to be 8ft long what would its area be?
*February 26, 2013*

**math**

Beth makes a quilt that was 3 ft wide. Its perimiter was 16 ft. What was its area?
*February 26, 2013*

**Math**

Thanks so muc
*February 21, 2013*

**Math**

I got 18 people is that correct?
*February 21, 2013*

**Math**

can u show work still very confused
*February 21, 2013*

**Math**

Kurt cut pizzasinto wedges measuring 40 degrees. I feach person eats one piece of pizza how many people could he feed with two whole pizzas
*February 21, 2013*

**Math**

How to compare 7/9 7/8 6/7
*February 21, 2013*

**Math**

Sam cut a pie into equal slices. There are only 3 slices left. The angle measure of the 3 slices is 72 degrees How many slices did sam cut the pie into?
*February 21, 2013*

**Math**

A circle is divided into 18 equal parts. How many degrees is the angle for each part? How many degrees is the angle for 5 parts?
*February 21, 2013*

**7th grade math**

there are 5 times as many tomato plants.in the gatden as there ate cucumber plants. the number of pepper plants is 7 more than the sum of the number of tomato and cucumber plants. there are 19 pepper plants in the garden. how many cucumber plants are there? how many tomato ...
*February 20, 2013*

**Ap calc**

F(x)= (2x-5)^3
*February 3, 2013*

**Physics**

can anybody show me how to do this? not just the answer?
*December 12, 2012*

**Physics**

An organ pipe open at one end has a length of 60 cm. If the speed of sound in air is 340 m/s, what is the lowest frequency produced by the organ pipe? A) 141.5 Hz B) 283 Hz C) 70.8 Hz D) 610 Hz E) 305 Hz
*December 12, 2012*

**Physics**

An elevator and its load have a combined mass of 1550 kg. Find the tension in the supporting cable when the elevator, originally moving downward at 11 m/s, is brought to rest with constant acceleration in a distance of 38 m.
*December 4, 2012*

**physics**

Water flows through a horizontal tube of diameter 2.7 cm that is joined to a second horizontal tube of diameter 1.9 cm. The pressure difference between the tubes is 7.6 kPa. Find the speed of flow in the first tube. v_1 = ? m/s I've tried using P_1 + .5 * density * v_1^2...
*December 8, 2011*

**tanks**

the weight of a elliptical tank
*October 15, 2011*

**science**

list three ways in witch finding the main idea(s) can help you understand scientific articles.
*October 5, 2011*

**11th grade chemsitry**

If 150 g of water is heated from 3.0 celieus to 48.0 celieus how many joules of heat are needed
*May 2, 2011*

**Chemsity **

If 150 g of water is heated from 3.0 celieus to 48.0 celieus how many joules of heat are needed
*May 2, 2011*

**MATH**

24in x 36in = 864 1 inch tiles
*February 24, 2011*

**chemistry**

Sulfuric was titrated with NaOH solution. 208 mL of .250 M NaOH solution was needed to completely neutralize 65.0 mL of H2SO4. What is the concentration of the sulfuric acid solution?
*January 10, 2011*

**5th grade**

what expression shows the factors of 27?
*December 17, 2010*

**Math**

Ellie has 22 coins that equal $3.85. What are the coins?
*December 7, 2010*

**Physics**

In a damped oscillator with m = 248 g, k = 80.6 N/m, and b = 67.4 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 20 cycles?
*November 30, 2010*

**Physics**

If you have a toy car how would you calculate the angle and length of a ramp to propel the toy car 8 ft. I would also the formula for gow much enurtia does it take to overcome friction relative to pull of gravity and outside forces
*November 8, 2010*

**us history**

i know rain god, wind god, and earth god
*October 28, 2010*

**us history**

what beliefs did native Americans think where important
*October 28, 2010*

**social studies**

Why are there so many national parks in the West?
*October 24, 2010*

**5th grade**

im in fifth grade to
*August 13, 2010*

**science**

A atom of iron(mass 10-25 kg) travels at a speed between 20.0 and 20.1 m/s. How accurately can we determine its position?
*November 9, 2009*

**History**

how?
*January 21, 2009*

**chemistry**

6 is correct because one will be filled with two and the other five with one making a total of seven electrons.
*November 2, 2008*

**Biology**

Hey guys, I'm a bit confused as to whether or not this would be an example of epistasis and how to trace the pedigree to find out which it the dominant trait. My TA hasn't posted a key to this practice question so I was hoping someone could explain it to me! Thanks, ...
*November 1, 2008*

**Math**

Explain how the values increase or decrease as you move from right to left in the place value chart.
*September 8, 2008*

**working with data**

.83
*February 23, 2008*

**spelling**

fifteen:five:nin:? i cant get it!!!
*January 16, 2007*

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