Questions Asked on January 28, 2015

1) Which of the following is a chemical change? (1 point)Boiling of water Melting a cube of ice Dissolving 10 grams of salt in
1. 47 answers
2. asked by Skylar
3. 26,861 views
An airplane cruises at 880km/h relative to the air. It is flying from Denver, Colorado due west to Reno, Neveda, a distance of
1. 4 answers
2. asked by Skyler
3. 7,176 views
Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source B. Nonpoint source C.
1. 42 answers
2. asked by Ariel
3. 6,738 views
1. is line "L" parallel to line "M"?*picture of a transversal.. lines L and M don't touch and one line crosses through line L
1. 14 answers
2. asked by ash
3. 6,245 views
Two 4.0cm × 4.0cm square aluminum electrodes, spaced 0.50mm apart are connected to a 300V battery.What is the charge on the
1. 10 answers
2. asked by Anonymous
3. 5,815 views
A rock is dropped off the edge of a cliff its distance S (in feet) from the top of the cliff after T seconds is S(T) = 16t^2.
1. 1 answer
2. asked by sky
3. 5,749 views
A circle on the Coordinate plane has a diameter with endpoints at (6,8) and (15,8). What are the coordinates of the center of
1. 1 answer
2. asked by Marianna
3. 5,277 views
Monica paid sales tax of $1.50 when she bought a new bike helmet. If the sales tax was 5% how much did the store charge for the
1. 15 answers
2. asked by Makenzey
3. 5,015 views
In a truck of red and green peppers the ratio of red peppers to green peppers is 3:4.if the truck contains 120 green peppers,how
1. 9 answers
2. asked by Felicia motaung
3. 4,766 views
A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked
1. 2 answers
2. asked by deepthi
3. 4,361 views
Please check my answers and let me know. THANK YOU!!2. Which describes monarchy? A. rule by religious authorities B. rule by a
1. 11 answers
2. asked by SKI
3. 4,271 views
Karyn cuts a length of ribbon into 4 equal pieces, each 1 1/4 feet long. How long was the ribbon?
1. 11 answers
2. asked by taniya
3. 4,261 views
A jug of milk holds 4 quarts. How many liters of does the jug hold. Round to the nearest hundredth of a liter. 1L= 1.06 qtA)
1. 19 answers
2. asked by Abby
3. 4,042 views
Suppose NaOH is added to the following system when it is at equilibrium.NH3 (aq) + H2O (l) = NH4 (aq) + OH (aq) a) in which
1. 1 answer
2. asked by Anonymous
3. 3,981 views
If a kestrel eats a mouse that eats grass, the kestrel is a
1. 11 answers
2. asked by Vicki
3. 3,594 views
Which of the following statements are true about chemical reactions?Check all that apply. A. Reactants are on the right when
1. 1 answer
2. asked by jen
3. 3,500 views
What technology would be best to use when analyzing the pigments in a large mural?A. Photo editing software B. 3-D imaging C.
1. 12 answers
2. asked by Callie
3. 3,404 views
Chapter 131. The point of the statement in the first paragraph, “The public is despotic… to its generosity” is to a. Argue
1. 0 answers
2. asked by Stacy
3. 2,972 views
A 76.00-pound flask of mercury costs $132.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of
1. 1 answer
2. asked by Aaron
3. 2,907 views
Calculate the pressures, P, in atmospheres at which the mean free path, l, of a hydrogen molecule will be 1.50 μm, 1.50 mm, and
1. 2 answers
2. asked by Anonymous
3. 2,864 views
What is -a^-2 if a equals -5
1. 5 answers
2. asked by Kim
3. 2,815 views
I would really appreciate it if someone checked my answers and told me if they were right. Thx. ~Ashley1. Which of the following
1. 9 answers
2. asked by Xx_Ashley_xX
3. 2,745 views
"Yearnings"The slab of clay before me, lifeless and lacking ambition, refuses to be molded. "Shape your dreams!" The art teacher
1. 17 answers
2. asked by ben
3. 2,727 views
The cost of renting a sailboat at a lake is $20 per hour plus $12 for life jackets. Write an equation in slope-intercept form
1. 2 answers
2. asked by Anonymous
3. 2,679 views
We live in a microbial world, and there are many opportunities for food to become contaminated as it is produced and prepared.
1. 3 answers
2. asked by stacyy09
3. 2,588 views
find the sum of the interior angles of a nonagon. I know a nonagon has 9 sides..A. 140 degrees B. 1,620 degrees C. 1,260 degrees
1. 4 answers
2. asked by ash
3. 2,578 views
Alana spent $21 of her $300 paycheck on a gift. What percent of her paycheck was spent on the gift?
1. 11 answers
2. asked by Makenzey
3. 2,526 views
The map of Mississippian Indian settlement is most likely displaying which cultural phenomena prior to European contact?
1. 23 answers
2. asked by jam
3. 2,456 views
The ratio of the corresponding side lengths of two rectangular tables is 4:5. What is the ratio of the perimeters? What is the
1. 3 answers
2. asked by Bobby
3. 2,455 views
The U.S. five-cent coin, the nickel, has a mass of 5.1 g, a volume of 0.719 cm3, and a total surface area of 8.54 cm2. Assuming
1. 1 answer
2. asked by unknown
3. 2,438 views
What is a key characteristic of a refrain in poetry?imagery alliteration repetition rhyme***
1. 20 answers
2. asked by jeje
3. 2,436 views
How is a spectrum obtained in NMR spectroscopy?A. Low-frequency radio waves bombard the atom and cause nuclei in a low spin
1. 5 answers
2. asked by Morgan
3. 2,148 views
Which of the following are excited in ultraviolet photoelectron spectroscopy?A. Valence electrons B. Core electrons C. X-rays
1. 2 answers
2. asked by Morgan
3. 2,133 views
an animal that basks on a warm rack during the morning hours but retreats to the sade of the rocks during the middle day is most
1. 10 answers
2. asked by KK
3. 2,130 views
How do lawmaker make good environmental decisions? A. By relying on the short-term benefits of an environmental issue. B. By
1. 10 answers
2. asked by Ariel
3. 1,986 views
Which statement best describes Haiku poetry? HHaiku includes two or more stanzas of free verse. Haiku includes two or more
1. 3 answers
2. asked by jeje
3. 1,936 views
A rock is dropped off the edge of the cliff and its distance S ( in feet ) from the top of the cliff after T seconds is S ( T )
1. 2 answers
2. asked by sky
3. 1,883 views
In a reaction, 41.8 g of chromium(III) oxide reacts with 14.8 g of aluminum to produce chromium and aluminum oxide. If 28.6 g of
1. 1 answer
2. asked by Sarah
3. 1,824 views
A typical multivitamin tablet can contain 2.00mg of vitamin B2 (riboflavin), and the RDA is 0.0030 g/day. How many such tablets
1. 1 answer
2. asked by danny
3. 1,800 views
How can the atomic orbital be described in the quantum mechanical wave model of the orbitals?A. A collection of balloons B. A
1. 5 answers
2. asked by Morgan
3. 1,731 views
Please some one check to see if I got these right. Thank you:)1.Which personal pronoun correctly completes the sentence? The
1. 3 answers
2. asked by Anonymous
3. 1,706 views
"Yearnings"The slab of clay before me, lifeless and lacking ambition, refuses to be molded. "Shape your dreams!" The art teacher
1. 7 answers
2. asked by hello
3. 1,690 views
Which of the following elements can be detected by XPS?A. Hydrogen and lithium B. Boron and helium C. Lithium and boron I think
1. 2 answers
2. asked by Morgan
3. 1,689 views
If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or
1. 9 answers
2. asked by Kathy
3. 1,678 views
Find the percentage composition of (NH4)3PO4What i don't understand is if the mass of the element isnt given how would i
1. 1 answer
2. asked by Rose
3. 1,673 views
Which of the following 19th century developments most undermined the racial philosophy John C. Calhoun Outlined in the excerpt
1. 8 answers
2. asked by Crystal
3. 1,667 views
The scale on a map i 1cm to 4kmWhat does 4cm on the map represent ?
1. 2 answers
2. asked by Christy
3. 1,664 views
The mean on a Advanced Algebra test was 78 with a standard deviation of 8. If the test scores are normal distributed, find the
1. 5 answers
2. asked by Katie
3. 1,621 views
1.Which Persian emperor was defeated by Athenian forces at the Battle of Marathon?A. Darius** B. Cleisthenes C. Miltiades D.
1. 9 answers
2. asked by Anonymous
3. 1,507 views
Which statement best illustrates the nature of a Bildungsroman?A.The hero in this story never seem to understand his own faults
1. 2 answers
2. asked by smile face
3. 1,495 views
Write a recursive formula for the following sequences:1) 1,6,11,16... 2) 4, 12, 36, 108... 3) A ball is dropped from an initial
1. 4 answers
2. asked by INeedHelp
3. 1,469 views
Nuclear magnetic resonance spectroscopy can be used to study which type of atoms?A. 16O B. 1H C. 2He
1. 4 answers
2. asked by Morgan
3. 1,433 views
The area of a parallelogram is 84 cm² the base of the figure is 12 cm what is the height?
1. 2 answers
2. asked by Anonymous
3. 1,430 views
Decrease 32 in the ratio 3:4?
1. 3 answers
2. asked by Felicia motaung
3. 1,382 views
Which of the following pairs of compounds has the same molecular shapes?a) AlCl3 and BF3 b) AlCl3 and PCl3 c) BF3 and NF3 d) CO2
1. 3 answers
2. asked by saima
3. 1,357 views
The perimeter of a rectangular piece of plastic is 22 millimeters. The area is 30 square millimeters. What are the dimensions of
1. 2 answers
2. asked by jose
3. 1,299 views
Suppose your parents deposited $1,500 in an account saying 3.5% interest compounded annually (once a year) when you were born. I
1. 1 answer
2. asked by timberly
3. 1,291 views
A block with initial velocity of 3 m/s slides 9m across a rough horizontal surface before coming to rest. What is the
1. 0 answers
2. asked by Grace
3. 1,272 views
A solution of HClO is mixed and found tohave a pH of 4.53. Find what the initial concentration of HClO was for this solution. Ka
1. 2 answers
2. asked by Anonymous
3. 1,267 views
Al2(SO3)3 + 6NaOH ----> 3Na2SO3 = 2 Al9OH)3If 10.0g of Al2(SO3)3 is reacted with 10.0g of NaOH, determine the limiting reagent?
1. 1 answer
2. asked by lily
3. 1,259 views
Assuming that the human body has a 1.2-cm-thick layer of skin tissue and a surface area of 1.5m2 , estimate the rate at which
1. 1 answer
2. asked by unknown
3. 1,257 views
which of the following best reflects the combination of tradition and modernity in the region?A.a female doctor wearing an hijab
1. 10 answers
2. asked by Delilah
3. 1,224 views
A 7.1 kg watermelon is placed at one endof a 5.9 m, 244 N scaﬀolding supported by two cables. One supporting cable is at the
1. 0 answers
2. asked by James
3. 1,193 views
A store has 300 televisions on order and 80% are high definition. How many televisions on order are high definition?
1. 5 answers
2. asked by makenzey
3. 1,191 views
A heterogeneous mixture is a A. mixture in which its components retain their identity. B. component added to sand that
1. 8 answers
2. asked by Sarah
3. 1,057 views
A bicycle wheel has a diameter of 47.6 cm and a mass of 0.809 kg. The bicycle is placed on a stationary stand on rollers and a
1. 2 answers
2. asked by Youthers
3. 1,052 views
Core electrons shield what from the pull of the nucleus?A. Valence electrons B. Neutrons C. Protons I think the answer is a
1. 1 answer
2. asked by Morgan
3. 1,042 views
Bronze is an alloy or mixture of the metals copper and tin. The properties of bronze depends on the percentage of copper in the
1. 0 answers
2. asked by pizza
3. 1,030 views
Hi, Ms. Sue . Can you please look over this?Which sentence contains a predicate noun? A)The walk through the tunnel was eerie.
1. 0 answers
2. asked by Anonymous
3. 1,010 views
The radius, r cm, of a circle at time t seconds is given by r = 2t 2 + 1. Express itsarea, A cm2 , in terms of t and find the
1. 1 answer
2. asked by Aaqib zaman
3. 1,010 views
Mindi planted beans in 4/10 of her garden. What fraction of the garden has beans or peas?
1. 2 answers
2. asked by Anonymous
3. 989 views
A sugar crystal contains approximately 1.7x10^17 sucrose. What is its mass in milligrams?
1. 1 answer
2. asked by Mandi
3. 970 views
x2+22x +c find the value of c that makes the trinomial a perfect square
1. 2 answers
2. asked by joe
3. 951 views
A hardware store will deliver up to 6 items for a $25 delivery charge. There isa charge of $4 for each additional item to be
1. 1 answer
2. asked by Anonymous
3. 949 views
In which sentence is the word utter used correctly?A. The seals utter past crabs and seaweed B. The seals will not utter minnow
1. 4 answers
2. asked by Helper
3. 947 views
The volume, V cm3 , of a cone height h is(pi)(h^3)/ 12. If h increases at a constant rate of 0.2 cm/sec and the initial height
1. 1 answer
2. asked by Aaqib zaman
3. 941 views
Find the initial concentration of the weakacid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.65. Kb =
1. 2 answers
2. asked by Anonymous
3. 940 views
Which type of tax is calculated on a per-item basis?
1. 2 answers
2. asked by christian
3. 930 views
Find the initial concentration of the weakacid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.65. Kb =
1. 1 answer
2. asked by Anonymous
3. 926 views
Find the product 8 1/3 x 3/5 in simplest formFind the product 5 1/2 x 3 1/3 in simplest form Use distributive property to find
1. 1 answer
2. asked by Heather
3. 925 views
Zinc chloride (ZnCl2) is 52.02% chlorine bymass. What mass of chlorine is contained in 85.0 g of ZnCl2? Answer in units of g
1. 1 answer
2. asked by yahya
3. 924 views
A boy on a 2.2 kg skateboard initially at rest tosses a(n) 8.4 kg jug of water in the forward direction.If the jug has a speed
1. 1 answer
2. asked by Bob
3. 922 views
You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 35-year mortgage for 85 percent of the
1. 0 answers
2. asked by ali
3. 914 views
calculate the volume of concentrated 4M HCl that is needed to create a 1 L solution of 0.1 M HCl.
1. 1 answer
2. asked by keira
3. 893 views
andrew read 24 pages of a book on Monday. He read 5/12 of the book on Monday and completed the remaining 1/4 on Tuesday. How
1. 2 answers
2. asked by Anonymous
3. 870 views
The three charges in the figure are at the vertices of an isosceles triangle. Calculate the work that needs to be expanded, in
1. 0 answers
2. asked by Allie
3. 849 views
a mothball composed of naphthalene has a mas of 1.06g. how many napthalene molecules does it contain
1. 1 answer
2. asked by Mandi
3. 839 views
llene is making smoothies. The recipe calls for1 1/4 cups of strawberries. How many cups of strawberries, written as a fraction
1. 2 answers
2. asked by Anonymous
3. 835 views
Two coworkers picked up some writing instruments at the office supply store. Shane selected 3boxes of pencils and 1box of pens,
1. 1 answer
2. asked by cj
3. 818 views
The thermite reaction demonstrated in class requires high temperatures to start the reaction. A simple open flame is not enough
1. 2 answers
2. asked by danny
3. 814 views
When and why did the Russia leave world war 1.How did Russia withdraw affect WW1
1. 1 answer
2. asked by love22
3. 806 views
A 200-kg rock is being pulled upward with an acceleration of 3 m/s2. The net force on the rock is
1. 1 answer
2. asked by Anonymous
3. 795 views
Calculate the number of collisions per second of one hydrogen molecule at 24 °C and 1.00 bar. The diameter of a hydrogen
1. 0 answers
2. asked by Anonymous
3. 785 views
Which statement best illustrates the nature of a Bildungsroman?A.The hero in this story never seem to understand his own faults
1. 0 answers
2. asked by smile face
3. 759 views
Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined
1. 1 answer
2. asked by Liz
3. 755 views
Describe how weathering and erosion can be both destructive or constructive.I am still confused on the difference of erosion and
1. 2 answers
2. asked by INeedHelp
3. 755 views
A bamboo plant grew 3 feet and 6 inches in 3 days. If the plant grew the same amount each day. how many inches did plant grow
1. 1 answer
2. asked by Freda
3. 737 views
Find all solutions of the equation in the interval [0, 2pi). Show all work.sin(x+(pi/6))-sin(x-((pi/6))=1/2
1. 1 answer
2. asked by Louis
3. 734 views
Find the exact value:cos(pi/16)cos(3pi/16)-sin(pi/16)sin(3pi/16)
1. 1 answer
2. asked by Abby
3. 733 views
A bicycle wheel has a diameter of 47.6 cm and a mass of 0.809 kg. The bicycle is placed on a stationary stand on rollers and a
1. 1 answer
2. asked by Youthers
3. 732 views

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