Friday

April 18, 2014

April 18, 2014

Total # Posts: 76

**physics**

An archer standing a horizontal distance d=50m away from a tree sees an apple hanging from the tree at h=12m above the ground. The archer chooses an arrow and prepares to shoot. The arrow is initially 1.5m above the ground. Just as the archer shoots the arrow with a speed of 7...

**College Physics **

Find the magnitude of the magnetic flux through the floor of a house that measures 21m by 13m . Assume that the Earth's magnetic field at the location of the house has a horizontal component of 2.4×10−5 T pointing north, and a downward vertical component of 4.3...

**math**

that's not the answer. its how to get her to 12 is 9 more than 3 that equals 15

**math**

THANK YOU by the way!

**math**

That is my thought but how do I pose the question? I took a deck of cards for counters and tried to figure out how to go about it.

**math**

I need help teaching my 2nd grader how to come up with the answer. Easy for an adult..difficult to explain to a child. I am thinking of 2 numbers who sum is 15. One of the numbers is 9 more than the other. Got the 12 plus 3 part. Help me explain it in its simplest terms

**Intro to Physics**

You have to divide the volume by 1000

**chemistry**

describe step by step, how will you prepare 10 mL of 0.020 M HCL from the 0.050 M solution?

**science**

how has the process of natural selection helped to produce organisms which posses specific adaptions to help them survive in their environment?

**math word problems**

Container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container B will contain A is poured into container B. What fractional part of container B will contain sand?

**Social Studies 30**

I do not pretend you to make my homework I am asking for HELP. I already asked in websites and they told me to look in homework forum.

**Social Studies 30**

Which characteristic(s) of collectivism do you think are most important to Canadian society? Competition, cooperation, private property, rule of law, common good, self-interest, economic equality, collective norms, freedom, collective interest, individual rights, collective re...

**chemistry**

What is the percent by mass concentration of KCl in a solution prepared by adding 80 grams KCl to 200 grams of water?

**Pre-Calculus**

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

**Pre-Calculus**

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

**Spanish**

i need help with my homework. i'm supposed to form sentences using indirect object pronouns and the present tense of the verbs, but i keep getting the answers wrong i do not know what i'm doing incorrect. 1.Carmen y Sofía / mostrar / las fotos / a Milena *my ans...

**Intro to Statistics **

A sample has n = 9 scores and an SS = 216. What is the variance for this sample?

**spanish**

la hija tiene hambre... the child (female) is hungry (: is this what you are asking for?

**7th grade**

is y=x/7 a direct variation????

**criminal justice 240**

CheckPoint: Drug Use and Delinquency Response Write a 200- to 350-word response answering the following questions according to the journal articles: o What are the main reasons of youth drug use? o How does drug use relate to delinquency?

**trigonometry**

is to prove an identity

**trigonometry**

how to solve sin 4x= cosx(4 sinx - 8 sin ^3x)

**physics**

Romeo is tossing pebbles at Juliet's window and wants the pebbles to hit the window gently, with only a horizontal component to their velocity, as they hit the window. He is standing at the edge of a rose garden 4.5m below her window and 5.0m from the base of the wall. ---...

**Physics**

You toss a coin straight up into the air. Sketch the velocity-time and acceleration-time graphs of the coin from the instant it leaves your hand until the instant it returns to your hand. Assume that the positive y direction is upward. Indicate on your graph the moment when th...

**English: Ms. Sue**

Ms. Sue you've helped out in the past haha maybe you can help me again :D we learned about objective and subjective opinions authors may have today and although I got every other question, I can't seem to figure out the following three: tell the objective and subjectiv...

**English**

I'm sorry I don't think I'm following. I re-read the sentences and it's obv that the answers aren't meant to be clear, but I'm finding it hard to distinguish the difference. am I supposed to separate the sentences "in half" with a part being s...

**English**

we learned about objective and subjective opinions authors may have today and although I got every other question, I can't seem to figure out the following two: tell the objective and subjective opinion in each statement and list if the subjective opinion is explicit or im...

**college physics**

Three glass Christmas balls become electrically charged when Noel removes them from the packaging material in their box. Noel hangs the balls on the tree 0.2m apart at an angle of 60 degree from each other. If each ornament has aquired a charge of 2 x 10^-10C, What is the magn...

**college physics**

Three identical charges (q = +5.0mC) are along a circle with radius of 2.0m at angles of 30, 150, and 270 degrees. What is the the resultant electric field at the center?

**college physics**

A ray of light traveling in air strikes the midpoint of one face of an equiangular glass prism (n = 1.50) at an angle of exactly 30 degrees. a)Trace the path of the light ray through the glass, and find the angle of incidence of the ray at the bottom of the prism. b) Will the ...

**college physics**

The deepest section of ocean in the world is the Mariana Trench, located in the Pacific Ocean. Here, the ocean floor is as low as 10,918m below the surface. If the index of refraction of water is 1.33, how long would it take a laser beam to reach the bottom of the trench?

**college physics**

What is the speed of light moving through a medium of index of refraction 2.45?

**college physics**

As wavelengths decreases, energy _____.

**college physics**

Light may be considered to travel as a ________ or a ________.

**physics**

The deepest section of ocean in the world is the Mariana Trench, located in the Pacific Ocean. Here the ocean floor is as low as 10,918m below the surface. If the index of refraction of water is 1.33, how long would it take a laser beam to reach the bottom of the trench?

**physics**

what is the speed of light moving through a medium of index of refraction 2.45?

**physics**

As wavelength decreases, energy ?

**Physics**

light may be considered to travel as a ? or a ?

**Physics**

how do you solve for amplitude?

**East hem.**

When did Rome become a republic?

**chemistry**

a solution that is 0.170 M in sodium formate (HCOONa) and .200 M in formic acid (HCOOH)

**ethics**

what are some methods sociologists use to measure prejudice

**math **

The answer would be 4 45+45+45+45+30=210 since 30 is the flat, its not considered an hour.

**Science - Physics**

Count the teeth in the front and rear gears in speeds 1, 5, 6 and 10 for a ten-speed bike. Record your data in the table and figure the ISA (speed advantage) and the IMA (mechanical advantage)for each speed. (The diagram shows a rear gear with 34 teeth and front gear with 52 t...

**college biology**

____________ are distributed throughout the body, making up the monocyte-macrophage system or reticuloendothelial system.

**science**

if the spectrum of a star indicates that the star shines with a red light, approximately what is the surface temperature of the star?

**math**

because 24005 is a bigger number than 8999

**math**

they r both rare lol jk idk

**interm. algebra**

factor completely: x^2 + 2xy + y^2 − 2xz − 2yz + z^2 i dont kno wat 2 do at all???!!!!???

**intermediate algebra**

wat about the 2's????

**intermediate algebra**

factor completely: x^2 + 2xy + y^2 − 2xz − 2yz + z^2

**Calculus**

shouldnt u put it in as (1/1)-x im not sure but try dat

**Spanish**

i am 15 years old i am very good thank you i am jannie gooden

**inter algebra**

solve: 4x+1/6 + 2x-3/5 = 4/15

**inter algebra**

solve: 4x+1/6 + 2x-3/5 = 4/15

**intermediate algebra**

solve: 3/4x + 2/5 - x =3/10

**Spanish**

it says your friend doesnt know how to get to school from your house. Give full addresses using mandates affirmative relatives

**intermediate algebra**

yes factoring and thanx!

**intermediate algebra**

x^2−2xy+y^2−9

**Espanol**

it says your friend doesnt know how to get to school from your house. Give full addresses using mandates affirmative relatives

**12th grade government/economics**

what margin is required to choose the president?

**12th grade government/economics**

If no candiate for the presidency wins a simple majority of the total number of electoral votes, what body has the power to choose the president?

**12th grade government/economics**

what are two ways that amendments to the constitution can be ratified?

**12th grade government/economics**

what are two ways that amendments to the constitution can be proposed?

**12th grade government/economics**

The Constitution specifies a three-fourths marjority for just one process. what?

**Chem**

all matter is made of tiny particles. atoms are neither created nor destroyed in chemical reactions. atoms of different elements combine in whole number ratios, with more than one ratio being possible for a given combination of elements. each element is made of a different kin...

**Algebra 1**

I need help to this mathe problems... 1.Elimination using Multiplication x-5y=0 2x-3y=7 Find the value of x in one equation. x = 5y Then substitute that value for x in the second equation. Solve for y, then find the value of x. Insert both values into the equations to check yo...

**PLEASE HELP SOLVE RIDDLE**

What travels from here to there and has been all around the world but never leaves its corner?

**PLEASE HELP SOLVE RIDDLE**

What travels from here to there and has been all around the world but never leaves its corner?

**U.S History**

Hey, I have a research paper for my college U.S History class and I'm having the hardest time thinking of a topic! It can be about absolutely anything that is correlated with U.S history. I'm sort of interested in World War II, and the Andrew Jackson era. But then agai...

**math**

Boris gets an 8% commission on every car he sells.Last week, he made a commission of $1,240.What was the price of the car he sold? Do a proportion: 8% is 8 over 100 or: 8/100 and you know his commision is commision over the price. his commision is 1240, and you dont know the p...

**chemistry.**

The concentration of hydrogen sulfide, H2S, in hot springs is relatively high. This accounts for the rotten-egg smell around the "mud pots" in Yellowstone National Park. The solubility of hydrogen sulfide in water at 25 degrees Celsius is 0.0932 M at 1.00 atm. If the...

**Science**

Similar cells work together in a ___________ which is part of an__________ which is part of a _____________.?? http://web.jjay.cuny.edu/~acarpi/NSC/14-anatomy.htm What are the male reproductive structures that carry sperm to the testes and the external environemt

**Economics**

Upper Slobbovians smoke 10 million cigarettes per year, so do Lower Slobbovians. To discourage smoking, each country imposes an excise tax of 50 cents per pack. As a result, the price of cigarettes rises by 35 cents in upper Slobbovia, but only by 15 cents in lower Slobbovia e...

**algebra 1**

find the complement and the supplement ofeach angle measure 1)130 2) 11 3) x,(x+20) http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut33_geom_ans.htm 72+27a+a2

**algebra 1 help**

fin the complement and the supplemnt of the angel measure 1) 130 complement-40 suplement-50 or vice versa if anyone can help me with some algebra work it would be greatly appreciated i am im algebra 1 and still on the second quarter and have until november to finsh thank you ...

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