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2018
May

Questions Asked on May 24, 2018

1. What does it mean when it says to: pour less than 10 mL of 6 M HCl into the beaker? What's the conversion for this?
1. 1 answer
2. asked by R.
3. 368 views
A racing car accelerates from 50 km per hour to 200 km per hour in 3.0 seconds along a straight track, and the acceleration is
1. 2 answers
2. asked by Anon
3. 704 views
externalfile:drive-2408f996220908404fd73a28cf7f7ec25690d912/root/Unsorted Items/Screenshot 2018-05-24 at 4.31.49 PM.png<> Which
1. 4 answers
2. asked by Elijah
3. 637 views
The price of a pair of jeans decreases from $45 to $40. What is the approximate percentage of decrease?
1. 4 answers
2. asked by Elijah
3. 1,777 views
Which statement is an opinion?Marco Polo noticed everything from the clothes the people wore to the food they ate. Once in
1. 1 answer
2. asked by Loomin
3. 863 views
Susan gave 1/3 of a pizza to her brother. She gave 1/2 of what was left to her mother. Susan ate the rest herself. What fraction
1. 4 answers
2. asked by Elijah
3. 3,339 views
Which of the following elected officials introduce laws in Congress that may become national laws?U.S. representative or senator
1. 1 answer
2. asked by Ella
3. 1,071 views
Briefly define “social role” and provide an example from your own life that illustrates how social roles change in different
1. 1 answer
2. asked by Jackie
3. 780 views
Volume and surface area are often compared by manufacturers in order tomaximize how much of something can go inside of a package
1. 2 answers
2. asked by ALAYA
3. 2,245 views
So I need help with a lab, I'm not looking for answers, I want to know if my answers make sense, so this is the pre lab
1. 4 answers
2. asked by ItsGottaGetEasier
3. 1,141 views
I am given the following information:Lactic acid................0.025M...................pH 2.74 How do I calculate the pKa? I
1. 2 answers
2. asked by Andrea
3. 882 views
1. What are the next three terms in the sequence?–6, 5, 16, 27, … (1 point)
1. 1 answer
2. asked by Anonymous
3. 920 views
john believed he was right, he was very _____ about itA: Pompous B: hardheaded C:smug D: assure
1. 2 answers
2. asked by unikitty
3. 754 views
Hello,I need help with my LA Sample Work I have to write a Conclusion but I don't know how to can someone please help me? Thank
1. 3 answers
2. asked by Unknown
3. 546 views
What does everyone think of these questions:What are the positive effects music has on the mind? Can those positive effects
1. 6 answers
2. asked by D
3. 802 views
You invest $500 at an annual interest rate of 6.75% compounded continuously. How long will it take y our money to double?
1. 1 answer
2. asked by George
3. 2,566 views
Sunlight, wind, and running water are essentially “free.” Yet renewable energy sources are a very small part of our energy
1. 1 answer
2. asked by I need helppppp
3. 2,673 views
A theater has 22 seats in the first row, 25 seats in the second row,28 seats in the third row, and so on. How many seats are in
1. 1 answer
2. asked by lee
3. 1,092 views
Karaoke is x years old and two years older than his wife. In ten years’ time he will be 3 times as old as his daughter. What
1. 1 answer
2. asked by Kud
3. 637 views
How many minutes does it take to produce 10.0L of oxygen gas (at standard conditions)by electrolyzing neutral water with a
1. 1 answer
2. asked by Wade
3. 683 views
What is the electron configuration of the element with 27 protons?
1. 1 answer
2. asked by Dean
3. 680 views
1. Find the modulus and argument of the following complex numbers, and write them in trigonometric form:a. 5 – 8i Answer =
1. 2 answers
2. asked by Anonymous
3. 1,115 views
1. Outline a procedure to prepare an ammonia/ammonium buffer solution.I'm confused how to start it off. This is an outline of
1. 1 answer
2. asked by Emily
3. 2,131 views
1. (-10x^3 + 30x -20) divided by (-5x+5)?a)2x^2-2x+4**** b)-2x^2-2x-4 c)-2x^2+2x+4 d)2x^2+2x-4 2.The width, w, of a rectangular
1. 7 answers
2. asked by loli
3. 1,465 views
Solve each compound inequality.-1-10a<-1v10+3a< or = -5
1. 1 answer
2. asked by Austin
3. 528 views
The ratio of the length to the width of a golden rectangle is (1 + √(5):2:.The dimensions of a garden form a golden rectangle.
1. 4 answers
2. asked by Tom
3. 5,005 views
Can someone please help me with my previously posted science lab?
1. 5 answers
2. asked by ItsGottaGetEasier
3. 448 views
A hanging spring is compressed 3 inches from its rest position and released at t = 0 seconds. It returns to the same position
1. 0 answers
2. asked by Anonymous
3. 492 views
A hollow metal pipe has an external radius of 5cm and an internal radius of of 4.5cm. If the pipe is 1m long, find the volume of
1. 2 answers
2. asked by Joms
3. 1,371 views
What is the electron configuration of the element with 27 protons?Is it 1s2 2s2 2p6 3s2 3p6 3d7 4s2 or is that wrong?
1. 1 answer
2. asked by Dean
3. 721 views
An aqueous sodium salt (NaCnH2n+1O3) solution has an osmotic pressure of 2.041 atm when 1.068 g of the salt are dissolved in
1. 1 answer
2. asked by Ceamus Angelina
3. 783 views
An airplane has an airspeed of 300 mph, and it is traveling to the southwest. After two hours it is 282.9 miles from its
1. 0 answers
2. asked by Anonymous
3. 612 views
A vendor borrowed $7,500 from their cooperative at 8% a year. If he paid at the end of 1 1/2 years, how much in all did he pay?I
1. 1 answer
2. asked by Joms
3. 698 views
Why are the atomic masses of elements usually decimal numbers?
1. 1 answer
2. asked by Kylie
3. 492 views
If an element has 12 protons and 17 neutrons, how many electrons does it have?I think the answers twelve but I'm not sure?
1. 1 answer
2. asked by Dean
3. 512 views
Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of
1. 1 answer
2. asked by Kylie
3. 718 views
Explain why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter.
1. 1 answer
2. asked by Dean
3. 546 views
What parts of Dalton’s atomic theory no longer agree with the current picture of the current picture of the atom? Provide an
1. 1 answer
2. asked by Ally
3. 799 views
Vector u is represented by the directed line segment RS and vector v is represented by the directed line segment OP. If
1. 1 answer
2. asked by girly girl
3. 3,317 views
what city is closest to 34 north and 81 west.
1. 1 answer
2. asked by Anonymous
3. 501 views
For how many positive integer values of n is 3^n a factor of $15 factorial (15!)?
1. 4 answers
2. asked by Unknown
3. 2,437 views
what is the equation of the hyperbola given that the perimeter of the central rectangle is 44 units and its vertices are (7, 0)
1. 1 answer
2. asked by Anonymous
3. 3,558 views
Given that sin(2/(√229))and that 0∘0∘ < θθ < 90∘90∘, with the aid of a diagram and without the use of a calculator
1. 1 answer
2. asked by Boitshepo
3. 515 views
How are these solved?1. cosx+1=0; x ∈ R 2. 4sin^2 x - 1 = 0; x ∈ R 3. 2cos^2 x + 3cosx + 1 =0;0 ≤ x < 2π
1. 1 answer
2. asked by Anonymous
3. 486 views
1. I run 50 meters in 9 seconds.2. I run for 50 meters in 9 seconds. [Are both okay? Which one is commonly used?] 3. I sleep 7
1. 1 answer
2. asked by rfvv
3. 430 views
Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties
1. 4 answers
2. asked by Emily
3. 2,610 views
A hanging spring is compressed 3 inches from its rest position and released at t = 0 seconds. It returns to the same position
1. 0 answers
2. asked by Anonymous
3. 569 views
twice the product of 3 and -2 added to the product of -7 and 5
1. 1 answer
2. asked by paige
3. 336 views
Given: y = 2 cos 1/2 (theta + pi/4) + 1What is the number of cycles? what is the horizontal shift?
1. 3 answers
2. asked by Anonymous
3. 376 views
If a solution has a pH of 8.14, calculate [H3O+]?
1. 1 answer
2. asked by Anna
3. 682 views
I know my answer, but I stumbled on it accidentally. I want to know exactly HOW to get my answer. The question states: In a
1. 3 answers
2. asked by Anonymous
3. 676 views
Why is the difference between the next two numbers in the pattern:5, 9, 25, 49, 121,..., ...,?
1. 1 answer
2. asked by Kud
3. 378 views
60% of the product of one-twelfth y and two-thirds zHow do you simplify this?
1. 3 answers
2. asked by Oakly
3. 1,465 views
Alice has $15 more than Barry. Charlene has 5/9 of the amount of Barrys money. If Alice has x dollars, how much money do they
1. 2 answers
2. asked by Oakly
3. 1,362 views
Wani bought a cow for sh 42000 after being offered a 16% discount. How much money would have been the discount had she bought
1. 1 answer
2. asked by Kud
3. 459 views
Given: y=10/(x+1)-8What is the domain and range?
1. 1 answer
2. asked by Anonymous
3. 285 views
A rectangular container measures 4m by 3m by 500cm. The container is completely filled with 0. 5 long cubic packets. How many
1. 3 answers
2. asked by kud
3. 845 views
Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties
1. 1 answer
2. asked by Emily
3. 783 views
A sample of 60 grams of water at 56°C is mixed in a styrofoam container with 89 grams of water at 30°C. What is the final
1. 2 answers
2. asked by weedle
3. 2,210 views
A farmer is wanting to clear of a circular plot of land for his horses. The farmer wants the horses to have 314 square yards of
1. 2 answers
2. asked by Elijah
3. 691 views
What is a primary energy source? Explain how it differs from a secondary source.
1. 1 answer
2. asked by I need helppppp
3. 1,154 views
Describe an example of a graph where adding a single edge can increase the size of the largest strongly connected component by
1. 0 answers
2. asked by Jessica Loveit
3. 502 views
Justin writes the letters Illinois on cards and then places the cards in a hat what is the probability of picking an n
1. 2 answers
2. asked by ------
3. 1,044 views
1. Which of the following is an example of tangible property? A a method for creating ice cream that your friend. B*** an idea
1. 11 answers
2. asked by Jezziedut
3. 3,597 views
The cash price of a T.V. set was sh 22000. Maria bought the T.V. set on hire purchase terms. She was allowed to pay a deposit
1. 2 answers
2. asked by Kud
3. 802 views
Hi, can I please have a link? I don't like cheating on essay questions. Thanks!!What are the causes of problems the Mayas and
1. 3 answers
2. asked by Vixen-Connexus
3. 648 views
your class is electing a vice president. how many ways a president and and a vice president be seleteced 25
1. 4 answers
2. asked by Im to lazy to come up with name
3. 837 views
How would I cite "A surprising point of view" in MLA formatting? I have 0 idea who the author is... please help.
1. 2 answers
2. asked by Trella
3. 587 views
Suppose we know that we need $36,000 of realized income each year to cover all of our expenses. What is the minimum amount we
1. 1 answer
2. asked by Anonymous
3. 505 views
Suppose you are having a birthday party at the local bowling alley. You are trying to figure out how many people you can afford
1. 1 answer
2. asked by Needs Help!
3. 1,012 views
sin(5x)/sin(4x) = ?How do I cancel them out to get a constant?
1. 4 answers
2. asked by Kramer
3. 351 views
Water of mass 120g at 50°c is added to 200g of water at 1 0°c and the mixture is well stirred . calculate the temperature of
1. 5 answers
2. asked by Armstrong
3. 1,889 views
A ray of light is incident at an angle of 30° on a glass prism of refractive index 1.5 . calculate the angle through which the
1. 1 answer
2. asked by Armstrong
3. 1,647 views
A ray of light is incident at an angle of 30° on a glass prime of refractive index 1.5 . calculate the angle through which the
1. 1 answer
2. asked by Armstrong
3. 740 views
why1\7 is greater than 1\10
1. 2 answers
2. asked by Anonymous
3. 342 views
1. Let's wrap up this lesson.2. Let's finish this lesson. 3. Let's summarize this lesson. =========================== What does
1. 1 answer
2. asked by rfvv
3. 976 views
A swimmer is swimming across a river that is exactly one mile wide, and the river current is 1.5 mph directly south. If the
1. 1 answer
2. asked by Anonymous
3. 1,118 views
4. Find the indicated roots of these complex numbers.a. 3√1 = 1? b. sqrt{- 3 - 4i} c. 4sqrt{81cis60°} d. 5sqrt{32cis (pi/6)}
1. 1 answer
2. asked by Anonymous
3. 600 views
The vector sum of two vectors of magnitude 10 units and 15 units can never beA) 28 units B) 22 units C) 18 units D) 8 units
1. 6 answers
2. asked by Priya
3. 3,391 views
what are the indicated powers of these complex numbers:a. (2 – 3i )^2 b. (3 + 4i )^3 c. [2 cis(300°)]^5 d. ( cos (4pi/3) + i
1. 1 answer
2. asked by Anonymous
3. 462 views

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