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Rachel

Questions and answers by visitors named Rachel

Questions (978)

The equation (x + 6)^2 + (y + 4)^2 = 36 models the position and range of the source of a radio signal. Describe the position of
1. 22 answers
2. 12,930 views
How would you separate a mixture of small beads, sand, iron filings, salt, and water, using a magnet, filter funnel, filter
1. 25 answers
2. 5,398 views
what is the name for the following coordination compounds or ions?1. [Al(H2O)6] Br3 2. [Cr(NH3)6] Cl3 3. K3[FeF6] 4. [Zn(OH)4]-2
1. 5 answers
2. asked by Rachel
3. 6,099 views
a survey is to be conducted to determine the proportion of U.S. voters who support additional aid to African nations to fight
1. 5 answers
2. 2,423 views
A particle moves along a line so that at time t, where 0<=t<=pi, its position is given bys(t)= -4cost-((t^2)/2)+10 What is the
1. 7 answers
2. asked by Rachel
3. 13,087 views
Why did the original farms on the Prairies turn out to be too small? What happened as a result of this?
1. 5 answers
2. 1,064 views
If 50 grams of water saturated with potassium chlorate at 23*C is slowly evaporated to dryness, how many grams of the dry salt
1. 6 answers
2. 3,566 views
The image of P(-1, 5) under a translation is P'(5, 7). What is the preimage of P?Could someone show me steps on how to do this
1. 4 answers
2. 1,500 views
Find the length of the tropic of Capricorn, latitude 23.5
1. 4 answers
2. asked by Rachel
3. 894 views
Why did most settlers take farm animals along the Oregon Trail? (1 point)
1. 9 answers
2. 1,179 views
In a science class of 120 student ,56 passed physics,61 passed chemistry ,60 passed biology,20 passed both physics and chemistry
1. 4 answers
2. 772 views
the value for the Ksp of silver chromate is reported to be 1.1 x 10^-12. in a saturated solution of silver chromate, the silver
1. 4 answers
2. 3,269 views
The molar heat of vaporization of water is 42 kJ/mol. How much energy is released by the condensation of 3.0 g of water?So for
1. 4 answers
2. 4,981 views
A Hall-effect probe operates with a 120 -mA current. When the probe is placed in a uniform magnetic field of magnitude 0.0840 T,
1. 7 answers
2. 2,805 views
how do I balance the following skeleton redox equation for a reaction occurring in acidic solution. HNO2 + MnO4- yield to Mn2+ +
1. 5 answers
2. 3,794 views
A gardener wants the three rosebushes in her garden to be watered by a rotating water sprinkler. The gardener draws a diagram of
1. 17 answers
2. 11,677 views
A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. Take the acceleration of gravity be equal to 9.8
1. 4 answers
2. 2,422 views
A spring 20cm long is stretched to 25cm by a load of 50N. What will be its length when stretched by 100N assuming that the
1. 5 answers
2. 748 views
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3
1. 4 answers
2. 3,029 views
A line has parametric equations x=7t-2 and y=-4+3t. What is the slope of the line representing the direct relationship between x
1. 3 answers
2. 783 views
If 8.2^p = 10.5^q, then p/q = ?Estimate your answer to two decimal places.
1. 3 answers
2. 548 views
sin(θ − ϕ);tan(θ) = 5/12 θ in Quadrant III, sin(ϕ) = − sqaure root 10/10 ϕ in Quadrant IV I tried this numerous times
1. 7 answers
2. 7,090 views
What mass of benzoyl peroxide is present in 150g of an acne solution with a 5.0% M/M benzoyl peroxide concentration?A) 7.5g B)
1. 4 answers
2. 1,652 views
According to the Protestant missionaries to the Pacific Northwest, what did the Native Americans need to do to become Christian?
1. 4 answers
2. 779 views
For summer work i have to make a notes summary of each required book ive read..the problem is ive never heard or even seen a
1. 1 answer
2. 1,237 views
Can anyone answer this question which is in a form of a fraction?Simplify: 8x^2+20x-12/8x^2-2 Thanks What does this expression
1. 1 answer
2. 540 views
Quadrilateral JKLM is a rhombus. If mangleLMK = 36, find mangleKJMIn the right triangle ABC, mangleB = 90, AB = 5, and AC= 12.
1. 2 answers
2. 797 views
I'm stuck and am hoping you can help. Here is the problem:You react 7.92 grams of silver nitrate, AgNO3(aq), with an excess of
1. 17 answers
2. 1,367 views
What exactly is political culutre?http://www.answers.com/political%20culture =)
1. 1 answer
2. 359 views
Hi I was wondering if anybody could explain what "winged words" are in terms of the Odyssey? Thanks.Thank you for using the
1. 1 answer
2. 577 views
2. The line y = 4x - 7 crosses the y axis at:a.(4, 0) b.(0, 4) c.(-7, 0) d.(0, -7) Set y=0 and solve for x You can
1. 1 answer
2. 437 views
"Given: An aqueous solution of C6H12O6 with a density of 1.18 g/ml"I) Calculate Molarity 1) It firsts asks me to, "State the
1. 4 answers
2. 1,904 views
Hello! I'm hoping you can please help me with this! I left my book at school (I thought I'd left it in my backpack all day to
1. 1 answer
2. 770 views
Not sure if anyone can help, since it's due todayy, but I need a term. What is the term for this? A biologist who desribes,
1. 1 answer
2. 315 views
I know how to find half-lives, but I have trouble finding the length of time it would take for the concrentration of X to
1. 1 answer
2. 912 views
Hello! I need help with knowing how to find certain data in the L3 and L4 columns using my calculator and plotting the graph to
1. 1 answer
2. 436 views
A bungee jumper leaps from the top of a building that is 420 feet tall and falls at an average rate of 95 feet per second. at
1. 3 answers
2. 597 views
I am interested in doing a science project on the math and science of different snowboarding tricks and techniques. Does anyone
1. 1 answer
2. 840 views
What are the multiples of 27?any number that can be divided by 27 9 , 3, 27 and 1
1. 1 answer
2. 349 views
I have this question on a homework assignment and I am confused!It is not wise to rely on the__________ to determine whether a
1. 1 answer
2. 795 views
Simplify:3/5 x 13.65 - 2/9 x 1.307 When I work this problem I get: 7.899555556 _ Would that be: 7.89 (or) _ 7.8995 The answer
1. 1 answer
2. 487 views
I need some ideas for high school science projects. It doesnt really matter what field of science, but i would prefer chemistry,
1. 1 answer
2. 585 views
f=p(c-1)-c(p-1)sOLVE FOR p f=pc-p-cp+c pc - cp = 0 So now we have f = -p+c Move "p" by itself. f-c = -p Now we multiply each
1. 1 answer
2. 527 views
I need major help with this problem! especially with the first equation that is used...A buffer is prepared by adding 115 mL of
1. 1 answer
2. 504 views
Teacher observation and subjective analysis of children are:1.similar and done in the same way. 2.different and should be done
1. 1 answer
2. 380 views
Use the following answers for questions 1 - 3.(A) F (B) S (C) Mg (D) Ar (E) Mn 3. Forms oxides that are common air pollutants
1. 3 answers
2. 587 views
Use these answers for questions 4 - 7.(A) 1s2 2s22p5 3s23p5 (B) 1s2 2s22p6 3s23p6 (C) 1s2 2s22p62d10 3s23p6 (D) 1s2 2s22p6
1. 3 answers
2. 3,085 views
We did a lab for acid-base titrations, and I'm having trouble with my post lab questions because I had trouble with acid-base
1. 1 answer
2. 553 views
Hi, I posted yesterday with this lab question."Calculate the molar amounts of NaOH used in the reaction with the HCl solution
1. 3 answers
2. 3,181 views
I am having trouble with the balancing the oxidation-reduction equations that are in a basic solution.This is the first one that
1. 1 answer
2. 581 views
Hi, I would like to know if I did this problem correctly. Your help would be greatly appreciated!"Chlorine, Cl2, is produced
1. 1 answer
2. 514 views
Can you help with this question?As a caregiver of an infant, meaningful communication between you and the parent, gently
1. 1 answer
2. 476 views
What is the relationship between the word assignment and the following sentence? "The noble elephant marched near Goshen,
1. 1 answer
2. 342 views
"Find the pH of the solution obtained when 32 mL of 0.087 M ethylamine is titrated to the equivalence point with 0.15 M HCl?Do I
1. 1 answer
2. 752 views
how do i do long division?This web site may help you. http://www.coolmath4kids.com/long-division/long-division-lesson-1.html
1. 2 answers
2. 554 views
I need to solve this with the substitution method.3x + y = 6 3x + y = 3 Is it possible or is it a typo on the worksheet? I can't
1. 1 answer
2. 377 views
What kinds of situations can moral hazard exist? Are there ways that the government reduces the amount of moral hazard?Thanks so
1. 1 answer
2. 363 views
How do you get P=12.4-4Qd to equal P=-2.6+2Qs? You have to find the equalibrium so you have to set Qd=Qs so I can't figure out
1. 3 answers
2. 736 views
P=12.4-4Qd How do you get P into this equation to make it Qd=12.4-4P?
1. 1 answer
2. 394 views
If the demand curve is P=12.4-4Qd and the supply curve is P=-2.6+2Qs, What is the equilibrium price? What is the equilibrium
1. 3 answers
2. 1,017 views
The question is: Scientists do their experimental tests more than once, so they can reduce the effects of chance errors. This is
1. 3 answers
2. 523 views
Find the derivative of the quotients: y=4X/(X-3)
1. 1 answer
2. 387 views
Find the derivative of the quotients: y=4X/(X-3) --What would (x-3) be?
1. 1 answer
2. 371 views
Graph the supply and demand curves ofQd=500 - 2P and Qs = -100 + 3P
1. 2 answers
2. 1,147 views
Graph the supply and demand curves ofQd=500 - 2P and Qs = -100 + 3P
1. 1 answer
2. 450 views
An investment under consideration has a payback of five years and a cost of $1,200. If the required return is 20 percent, what
1. 1 answer
2. 407 views
If two angles are congruent, must their supplements be congruent?Thank you, anyone, in advance. c[=
1. 2 answers
2. 1,235 views
13.7b-6.5=-2.3b+8.3
1. 1 answer
2. 282 views
what chemical was used to embalm the organs?
1. 2 answers
2. 602 views
whats material were Portrait Masks made out of?
1. 1 answer
2. 362 views
what am I? I am a polygon and I have two right angles and one pair of parallel sides. Is it a rhombus? Please help.
1. 3 answers
2. 512 views
well, if its not a rhombus or a trapezoid then.... what has two right angles and one pair of parallel sides?
1. 4 answers
2. 393 views
True or false:The Reichstag refers to the legislative body or Congress in Germany. ??????????????????????????????????
1. 3 answers
2. 387 views
Why can letters of a Polygon's name be used only once?
1. 1 answer
2. 391 views
Anybody have a good essay topic for "Sir Gawain and The Green Knight". Thanks for the help!
1. 1 answer
2. 416 views
okay i need to find a complamentry angle whos difference is 12 degrees
1. 1 answer
2. 298 views
okay i need to find a complamentry angle whos difference is 12 degrees
1. 1 answer
2. 314 views
What is the only continent that traces of ancient human life have not been found?
1. 3 answers
2. 382 views
Using literary elements, compare and contrast Abigail Adams' letter to her daughter with Jean de Crevecoeur's essay from Letters
1. 5 answers
2. 730 views
The most extensive series of laws protecting labor were passed:A: by the federal government during the New Deal under Franklin
1. 4 answers
2. 431 views
Name four broad categories of the Social Security Program and explain the purpose of each category.
1. 2 answers
2. 839 views
What does a coast guard have to do with the study of geography?
1. 2 answers
2. 943 views
Hi yall. I have been trying to write this paragraph on Christmas and I was just wondering if someone could read it and see if im
1. 16 answers
2. 594 views
Hi yall. I have been trying to write this paragraph on Christmas and I was just wondering if someone could read it and see if im
1. 2 answers
2. 503 views
Hey again, i've made the corrects you suggested...and i was hoping you could proof read just to make sure i did them
1. 4 answers
2. 506 views
Today unions (A) have generally experienced a tremendous increase in membership (B) have not succeeded in organizing any
1. 3 answers
2. 546 views
You are at the front of a floating canoe near a dock, you jump expecting to land on the dock, instead you land in the water.
1. 2 answers
2. 890 views
Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person
1. 3 answers
2. 1,120 views
How can I explain the angle sum theorem? and whats a good example for it?
1. 6 answers
2. 458 views
Explaining the isosceles theorem.Explain why the SAS Inequality theorem is also called the Hinge theorem. the steps for Indirect
1. 7 answers
2. 681 views
A merchant in Kathmandu sells you a solid gold 1-kg statue for a very reasonable price. When you get home, you wonder whether
1. 4 answers
2. 1,591 views
On a perfect day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward or downward. The total
1. 3 answers
2. 1,666 views
After a car is driven for some distance, why does the air pressure in the tires increase?
1. 2 answers
2. 1,199 views
A 0.6-g peanut is burned beneath 50 g of water, which increases in temperature from 22degreesC to 50 degreesc. What is the exact
1. 4 answers
2. 3,450 views
On which temerature scale does the average kenetic energy of molecules double when the temperature double?
1. 1 answer
2. 381 views
After a car is driven for some distance, why does the air pressure in the tires increase?
1. 3 answers
2. 593 views
In your room are things such as tables, chairs and other people. Which of these things has a temperature lower than air? Greater
1. 3 answers
2. 1,435 views
The heat of volcanoes and hot springs comes from trace amounts of radioactive minerals found in the Earth's interior. Why isn't
1. 3 answers
2. 793 views
Turn an incandescent lamp on and off quickly while you are standing near it. You feel it's heat, but you find when you touch the
1. 4 answers
2. 1,154 views
What is the purpose of the layer of copper or aluminum on the bottom of a piece of stainless steel cookware?
1. 1 answer
2. 394 views

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