Friday

February 24, 2017
Total # Posts: 45

**language arts**

@Reed, I believe @Lisa was reading "The Giver" by Lois Lowry.

*May 5, 2016*

**Physics**

A worker sits at one end of a 199-N uniform rod that is 2.80 m long. A weight of 120 N is placed at the other end of the rod. The rod is balanced when the pivot is 0.630 m from the worker. Calculate the weight of the worker

*November 4, 2015*

**Science**

Thanks ^^

*May 20, 2015*

**Science**

Okay, so I have been working on this question for about two weeks...craxzy right?! BUt help 1. How does salinity affect the temperature and density of water?

*May 20, 2015*

**Science**

1. What type of map would you use to locate the mountain ranges on a continent? idk!

*May 19, 2015*

**math: algebra**

thx man :D

*March 5, 2015*

**math: algebra**

my final answer is 469.3

*March 5, 2015*

**math: algebra**

thx?

*March 5, 2015*

**math: algebra**

plz help me

*March 5, 2015*

**math: algebra**

I need help checking my answer. I wasn't sure if 8 and 8 were both side lenegth's or if 22 is the slant height but I think it is got kind of confused there also wasn't sure how I was suppose to solve it but I sloved the problem how I though it was suppose to be ...

*March 5, 2015*

**math**

I understand the Fibonacci Sequence (the simplified version). But how is it applied to real life? Please give at least two examples. Thanks

*October 5, 2013*

**Math**

The diagram below represents black and white floor tiles at a size of five by five. If you add to this pattern to make it six by six, how many black tiles would you add to the existing pattern? I don't know how to solve it, at first I guessed 12 black tiles but it said it ...

*September 26, 2013*

**math**

What is 1/4 of a number and n? Is it 1/4xn or 1/4x+n?!?!

*September 14, 2013*

**Math**

30/50

*May 23, 2013*

**math**

x-intercept=4;passes through (-1,3)

*April 13, 2013*

**math**

y-intercept = 3; passes through (1,2)

*April 13, 2013*

**Physics**

answer is c. The light waves are out of phase with each other.

*February 2, 2013*

**early trig**

A monument stands on level ground. The angle of elevation of the top of the monument, taken at a point 425 feet from the foot of the monument, is 32º. Find the height of the monument to the nearest foot.

*January 19, 2013*

**math**

The polynomial 3x^2-2x-2 has roots p,q. what is the value of 1/p + 1/q?

*January 19, 2013*

**math**

In order to decide where he is moving, Dr. Early plays a coin game against himself. If he gets the sequence THH first, he moves to Austin. If he gets the sequence HHH first, he moves to Tacoma. What is his chance of moving to Tacoma? (T represents tails and H represents heads)

*January 19, 2013*

**Math**

7*4=28 3*7=21 6*4=24 21:24=ratio

*January 19, 2013*

**math**

Maria normally spends a half-hour driving to work. When her average speed is ten miles per hour slower than usual, the trip takes ten minutes longer. How many miles does she drive to work?

*January 12, 2013*

**math**

How many equilateral triangles in the plane have two vertices in the set {(0,0), (0,1),(1,0),(1,1)}?

*January 12, 2013*

**MATH HELP!!!!!!**

10=(2)/(7n+4) 10(7n+4)=2 70n+40=2 70n=-38 n=-38/70 or is it 10=(2/7n)+4 6=2/7n 42n=2 n=2/42, 1/21

*January 12, 2013*

**math**

Daniel will randomly pick a marble from a bag that has three red marbles and six white. If he does not put any marble back into the bag and picks a new one each time, what is the probability that both marbles will be white. If he puts the first marble back into the bag and ...

*January 12, 2013*

**math**

Five boys and seven girls in a history class will go on a field trip during the Easter vacation. They make a committee of three members to prepare for the trip. What is the probability that this committee will consist of three boys? What is the probability that the committee ...

*January 12, 2013*

**math**

there are 10 beads in a jar 5 are green 3 brown and 2 red if joseph randomly picks one bead three times what is the probability that all three of the beads will be brown

*January 12, 2013*

**math**

if x is not equal to negative 3/2, (2x^3-x^2-6x)/(2x+3)equals? a. x-2 b. 2x-2 c. x^2-2x d. 2x^2-2 e. 2x^2-2x

*January 5, 2013*

**Psychology**

Which of the following would best explain a situation in which a small child is afraid of a guinea pig because he had a previously fearful experience with a hamster? Stimulus discrimination Second-order conditioning Stimulus generalization Sensory preconditioning Spontaneous ...

*November 1, 2012*

**Psychology**

Which of these believe that a healthy child will choose what is good for his own growth? Humanistic Social learning theory Psychoanalytic Behavioral Psychodynamic

*November 1, 2012*

**AP Statistics**

A Kansas University research station wishes to investigate if a new variety of wheat is more resistant to a disease than an old variety. It is known that this disease strikes approximately 15% of all plants of the old variety. A field experiment was conducted, and of 120 new ...

*October 31, 2012*

**AP Statistics**

A local McDonald's manager will return a shipment of hamburger buns if more than 10% of the buns are crushed. A random sample of 81 buns finds 13 crushed buns. A 5% significance test is conducted to determine if the shipment should be accepted. The p value for this ...

*October 31, 2012*

**Statistics**

A local McDonald's manager will return a shipment of hamburger buns if more than 10% of the buns are crushed. A random sample of 81 buns finds 13 crushed buns. A 5% significance test is conducted to determine if the shipment should be accepted. The p value for this ...

*October 26, 2012*

**Physics**

A metallic surface emits electrons when it is irradiated with a yellow light source of power 25 Watts. What happens to the emission of the electrons if one yellow light source is replaced by two violet light sources of same power? The number of emission of electrons will ...

*October 25, 2012*

**Physics**

The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the waves on the string is 125 m/s? 1.103 m 2.206 m 0.368 m 2.040 m

*October 25, 2012*

**Physics**

A metallic surface emits electrons when it is irradiated with a yellow light source of power 25 Watts. What happens to the emission of the electrons if one yellow light source is replaced by two violet light sources of same power? The number of emission of electrons will ...

*October 24, 2012*

**Physics**

The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the waves on the string is 125 m/s? 1.103 m 2.206 m 0.368 m 2.040 m B?

*October 24, 2012*

**Physics**

The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the waves on the string is 125 m/s? 1.103 m 2.206 m 0.368 m 2.040 m

*October 23, 2012*

**Physics**

A metallic surface emits electrons when it is irradiated with a yellow light source of power 25 Watts. What happens to the emission of the electrons if one yellow light source is replaced by two violet light sources of same power? The number of emission of electrons will ...

*October 23, 2012*

**math**

599382?63=

*October 16, 2012*

**Math**

yes like gokp where is your varbile at

*July 25, 2012*

**math**

the larger of two numbers is 6 more than 4 times the smaller. if the smaller number is one-fifth of the larger, find both numbers

*July 9, 2012*

**math**

the sum of one fifth of an integer and one tenth of that integer is at most 20. find the greatest possible integer.

*July 9, 2012*

**Science**

I'm stuck on this too! Help!!!

*May 8, 2012*

**science**

Throw in opposite direction. It will send u towards the space station. This applies to newtons 3rd law of motion

*November 17, 2010*

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