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Questions Asked on January 27, 2014

CHECK THESE MATH ANSWERS PLEASE1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students?
1. 58 answers
2. asked by zoey
3. 13,923 views
Is the following statement always, never, or sometimes true?A number raised to a negative exponent is negative. A. always B.
1. 8 answers
2. asked by Anonymous
3. 7,859 views
Read the following scenario and determine the willing participant.Eboni’s friend, Margo, was eager to tell her about the new
1. 18 answers
2. asked by Anonymous
3. 5,690 views
PLEASE CHECK MY ANWERS THANKS1.The length of the driveway shown on a blueprint is 2 inches. If the actual length of the driveway
1. 25 answers
2. asked by Annabelle
3. 5,016 views
Meagan will be using a moving truck to move her belongings to another location. She is trying to decide from which company to
1. 2 answers
2. asked by Zakeya
3. 4,047 views
suppose that S varies directly as the 2/5 power of T, and that S=8 when T=32. Find S when T=243.
1. 2 answers
2. asked by Anonymous
3. 3,696 views
Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with
1. 3 answers
2. asked by Taylor
3. 3,636 views
Write in standard notation. 6.12 X 10^3.A. 6120 B. 612 C. 61,200 D. 61.2 A Simplify and write in scientific notation. 0.5(8 X
1. 1 answer
2. asked by Anonymous
3. 3,625 views
The figure shows two unequal point charges, q and Q, of opposite sign. Charge Q has greatermagnitude than charge q. In which of
1. 1 answer
2. asked by bano
3. 3,482 views
What is the van't Hoff factor for K2SO4 in an aqueous solution that is 5.00 % K2SO4 by mass and freezes at -1.21 ∘C?
1. 6 answers
2. asked by Raquel
3. 3,342 views
1.state the mathematical relationship between the net force acting on an object and the object's change in momentum.2state the
1. 4 answers
2. asked by OwamIII
3. 3,306 views
If the total positive charge is Q = 1.62×10−6C , what is the magnitude of the electric field caused by this charge at point
1. 1 answer
2. asked by James
3. 3,279 views
1. An 887.0 mg sample of a mixture containing only NaCl and KCl is dissolved in water, and excess AgNO3 is added to yield 1.913
1. 2 answers
2. asked by mike
3. 3,064 views
the legs of a right triangle have lengths a and b satisfying a + b =10. which values of a and b maximize the area of the
1. 2 answers
2. asked by Anonymous
3. 2,608 views
An electric heater used to boil small amounts of water consists of a 25-Ω coil that is immersed directly in the water. It
1. 2 answers
2. asked by Dee
3. 2,549 views
Ashley sees a maintenance crew from Acme Co. beginning to resurface her driveway, a service she has not contracted for. Ashley
1. 2 answers
2. asked by mary
3. 2,502 views
How much heat energy, in kilojoules, is required to convert 63.0g of ice at −18.0 ∘C to water at 25.0 ∘C ?
1. 2 answers
2. asked by Rebecca
3. 2,421 views
the total was 29.00 after adding a 4,00 tip to the bill for a family of five, each of whom ordered a hot dog. what was the price
1. 17 answers
2. asked by help pls!
3. 2,385 views
pls, help! this is hard and confusing!1. How does runoff affect a community? (1 point) Runoff can supply new homes and
1. 12 answers
2. asked by TTR+S<3
3. 2,121 views
Eric and Mark were at a ball game and visited the concession stand. They each got a hamburger, and Mark got lemonade and some
1. 7 answers
2. asked by Gabby
3. 2,065 views
1. How are impulse and momentum related?(Points : 1) Impulse is the change in momentum of an object. Momentum is the change in
1. 2 answers
2. asked by Anna
3. 2,056 views
How far apart should two protons be if the electrical force of repulsion is equal to the weight (attraction to the Earth) of one
1. 1 answer
2. asked by Asiay
3. 2,008 views
Assume that the complete combustion of one mole of ethanol to carbon dioxide and water liberates 1370 kJ/mol (?G°\' = –1370
1. 4 answers
2. asked by Royzel
3. 1,975 views
A real estate company owns 218 efficiency apartments, which are fully occupied when the rent is $940 /month. The company
1. 1 answer
2. asked by Anonymous
3. 1,936 views
An ambulance is traveling east at 60.7 m/s. Behind it there is a car traveling along the same direction at 32.3 m/s. The
1. 2 answers
2. asked by Need answer by 10pm
3. 1,787 views
5. A 1,600 kg car is moving south at 24 m/s. What is its momentum?(Points : 1) 66 kgm/s south 66 kgm/s north 38,000 kgm/s north
1. 2 answers
2. asked by Anon
3. 1,783 views
A 50.0-kg wolf is running at 10.0 m/sec. What is the wolf's kinetic energy?A) 5 J B) 500 J C) 5000 J D) 250 J E) 2500 J
1. 1 answer
2. asked by Alex
3. 1,727 views
A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.76*10^-11m. Determine
1. 1 answer
2. asked by Anji
3. 1,658 views
The figure shows two unequal point charges, q and Q, of opposite sign. Charge Q has greatermagnitude than charge q. In which of
1. 1 answer
2. asked by bano
3. 1,645 views
Simplify and write in scientific notation.(9 X 10^-3)^2 A. 8.1 X 10^-5 B. 81 X 10^-4 C. 81 X 10^-3 D. 8.1 X 10^-6 ? Evaluate
1. 4 answers
2. asked by Anonymous
3. 1,618 views
Rewrite the following as a perfect square:144b^18
1. 1 answer
2. asked by Brett
3. 1,601 views
In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he
1. 2 answers
2. asked by Melissa
3. 1,592 views
The pendulum of a grandfather clock is 90cm long, when the pendulum swings from one side to the other it travels a horizontal
1. 1 answer
2. asked by Ricki
3. 1,571 views
Tell whether the underlined word in each sentence is reflexive or intensive.1. Jill read (herself) a story after supper. 2. Her
1. 1 answer
2. asked by Anonymous
3. 1,532 views
In a case study where the maximal rates of oxygen consumption (in ml/s) for nine species of wild African mammals were plotted
1. 1 answer
2. asked by Anonymous
3. 1,498 views
Steve can run 3.5 miles in 30 minutes. If Steve increases his rate by 1/2 mile per hour, how far will he run in 2 hours?
1. 1 answer
2. asked by Heather
3. 1,497 views
Simplify.(mn^-4)/(p^0q^-2) A. (mq^2)/(n^4) B. (mp)/(n^4) C
1. 2 answers
2. asked by Anonymous
3. 1,459 views
Posted by Rudy on Sunday, January 26, 2014 at 7:24pm.Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34
1. 2 answers
2. asked by Ms. Sue
3. 1,452 views
Water is composed of 11.2% hydrogen and 88.8% oxygen. what mass of water contains 50.0g of 0xygen?
1. 1 answer
2. asked by Bob
3. 1,429 views
7. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving.balance
1. 2 answers
2. asked by Princess Anna
3. 1,367 views
One solution contains 20% acid and a second solution contains 50% acid. How many ounces of each solution should be mixed in
1. 1 answer
2. asked by Anonymous
3. 1,344 views
7. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving.balance
1. 3 answers
2. asked by Princess Anna
3. 1,308 views
a projectile is ejected from a 25 m high tower with a velocity of 40 m/s at an angle of 30 degrees to the horizontal first on
1. 2 answers
2. asked by kjean
3. 1,275 views
What is the frequency of a blue light with a wavelength of 489 nm
1. 1 answer
2. asked by Bob
3. 1,269 views
A girl coasts down a hill on a sled, reachinglevel ground at the bottom with a speed of 7.0 m/s. The coeﬃcient of kinetic
1. 0 answers
2. asked by christopher
3. 1,253 views
A book that is 13 in. tall is leaning against the edge of a wall. If the bottom of the book is 5 inches from the wall, how far
1. 2 answers
2. asked by Meg
3. 1,198 views
A travel agency offers group tours at a rate of $60/person for the first 30 participants. For longer groups-up to 90-each person
1. 1 answer
2. asked by Anonymous
3. 1,184 views
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. A car is traveling in the same direction
1. 2 answers
2. asked by Need answer by 10pm
3. 1,160 views
What is the net force exerted by these two charges on a third charge q 3 = 45.0nC placed between q 1 and q 2 at x 3 = -1.145m ?Y
1. 0 answers
2. asked by James
3. 1,138 views
CHECK THESE MATH ANSWERS PLEASE1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students?
1. 1 answer
2. asked by zoey
3. 1,086 views
Here is the problem:Christopher orders a three topping pizza for $15.25, and a 5 topping pizza for $17.75. Write and solve a
1. 2 answers
2. asked by Kathy
3. 1,072 views
Two small charged balls have a repulsive force of 0.20N when they are separated by a distance of 0.90m . The balls are moved
1. 1 answer
2. asked by James
3. 1,063 views
The electric field 1.5 cm from a very small charged object points toward the object with amagnitude of 180,000 N/C. What is the
1. 0 answers
2. asked by bano
3. 1,041 views
A girl coasts down a hill on a sled, reachinglevel ground at the bottom with a speed of 7.0 m/s. The coeﬃcient of kinetic
1. 0 answers
2. asked by Anonymous
3. 1,021 views
1. What marked the beginning of agriculture in the Americas?A. Native people began raising goats. B. The was invented. C. Native
1. 3 answers
2. asked by zoey
3. 1,018 views
integrate (pi&0) sin t/(2-cost) dt
1. 3 answers
2. asked by Anonymous
3. 970 views
Suppose you roll a die 10 times and record the proportion of sixes. Suppose you then conduct a simulation of this experiment,
1. 1 answer
2. asked by Nick
3. 950 views
a 67 gram chunk of ice (Heat of Fusion = 6.0 kJ/mol) in a beaker immersed in a water bath. To produce just enough heat to melt
1. 0 answers
2. asked by Anonymous
3. 942 views
Is Coulomb's law consistent with Newton's Third Law? In particular, how doF^elec A-->B and F^elec B--->A compare in magnitude?
1. 1 answer
2. asked by Aliasa
3. 934 views
couple plans to have four children what is the probability that three are girls and one is a boy
1. 1 answer
2. asked by jerry
3. 929 views
Sue buys 2 dozen roses. Of those roses 2/3 are red and the rest are white.how many white roses did she buy?
1. 2 answers
2. asked by Anonymous
3. 928 views
can anyone please answer these 5 before i scratch my brain out.i did the rest but these i couldn't getWhat marked the beginning
1. 1 answer
2. asked by zoey
3. 924 views
A small glass bead that has been charged to 4.4 nC? What is the strength of the electric field 2.0 cm from the center of the
1. 1 answer
2. asked by Peri
3. 906 views
Here's the word problem:You have a coupon for $50 off your camera purchase of $100 or more at Camera World. Write a function
1. 1 answer
2. asked by Beth
3. 900 views
Is the following statement always, never, or sometimes true?A number raised to a negative exponent is negative. always never
1. 2 answers
2. asked by Anonymous
3. 883 views
Simplify (4xy^2)^3 (xy)^5.A. 64x^8 y^11 B. 64x^15 y^30 C. 12x^2 y^11 D. 12x^8 y^11 A Simplify (2t^-3)^3 (0.4r)^2. A. 3.2r^2 B.
1. 2 answers
2. asked by Anonymous
3. 878 views
Simplify 5^-1(3^-2)A. 45 B. 1/45 C. 15^-3 D. 15^2 B
1. 1 answer
2. asked by Anonymous
3. 875 views
modern mexico check answers7. Which of the following was largely responsible for the Mexican Revolution? A. separation from
1. 2 answers
2. asked by zoey
3. 851 views
1.A patient needs 2.10×10−2g of a sulfa drug. There are 8.00mg tablets in stock. How many tablets should be given?Really need
1. 3 answers
2. asked by mysterychicken
3. 851 views
A 1.250 g mass of standard aspirin is dissolved in approximately 20 mL of 1 M NaOH. This solution is added to a 250-mL
1. 2 answers
2. asked by Anonymous
3. 845 views
integrate (pi/6 & 0) (1-cos3t)(sin3t)dt
1. 3 answers
2. asked by Anonymous
3. 825 views
a block with a velocity 4m/s slides 8m across a rough horizontal floor before coming to rest.the coefficient of friction is.
1. 2 answers
2. asked by kelly
3. 812 views
An unknown substance has a mass of 28.1 g. The temperature of the substance increases by 16.3 degrees Celsius when 176 J of heat
1. 2 answers
2. asked by bob
3. 808 views
In a school library, there are 3 Chinese Language books for every 5 English Language books. The number of Malay Language book is
1. 1 answer
2. asked by henry
3. 805 views
Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder
1. 2 answers
2. asked by Lyra
3. 804 views
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. A car is traveling in the same direction
1. 0 answers
2. asked by anonumous
3. 798 views
can someone help me to correct it?this message address to international employee. Message intend to announce a revenue drop
1. 3 answers
2. asked by Artem
3. 787 views
The variance of the mathematical scores of a sample of 21 high school girls was found to be 100 and that of a sample of 25 high
1. 1 answer
2. asked by Anonymous
3. 780 views
The lifetime X of a bulb is a random variable with the probability density function:f(x)=6[0.25-(x-1.5)^2] when 1<=x<=2 0
1. 0 answers
2. asked by rupesh painkra
3. 779 views
Natasha plans to deposit $4,000 per year in her account for each of the next 4years. Thereafter, she expects to deposit $1,500
1. 2 answers
2. asked by Niki
3. 774 views
Three charges are fixed in the x−y plane as follows: 1.5nC at the origin (0, 0); 2.6nC at (0.65m , 0); –1.8nC nC at (0,
1. 0 answers
2. asked by James
3. 758 views
In this section of the final, revise the sentences provided to correct the grammar errors indicated. (In many cases there will
1. 0 answers
2. asked by Michael
3. 750 views
An oil painting is 16 years older than a watercolor by the same artist. The oil painting is also three times older than the
1. 2 answers
2. asked by ava
3. 750 views
Sam's car gets 20.2 miles per gallon, and her gas tank can hold 18 gallons of gas. How many miles can sam travel if she uses all
1. 3 answers
2. asked by Jessa
3. 737 views
An oil painting is 16 years older than a watercolor by the same artist. The oil painting is also three times older than the
1. 1 answer
2. asked by ava
3. 736 views
I'm doing an essay on how author's language expresses change in character. First, I need to know how David changed from a
1. 1 answer
2. asked by lily
3. 734 views
Mrs Lim is 41 years old and her daughter is 14 years old. How many years ago was Mrs Lim four times as old as her daughter?
1. 1 answer
2. asked by TIM
3. 730 views
the first aircraft has 47 more seats than the second aircraft. the third aircraft has 54 fewer seats than the second aircraft.
1. 1 answer
2. asked by Anonymous
3. 727 views
what is the freezing point depression of water, benzene, acetic acid, ethanol and clyclohexane?
1. 1 answer
2. asked by jarlyn jane ejares
3. 716 views
What can you predict about the poem by previewing the title, subtitle, and first line of the poem “In Response to Executive
1. 1 answer
2. asked by Anonymous
3. 709 views
why is it that protonated pyrone have a higher pKa than protonated acetone?
1. 0 answers
2. asked by Anonymous
3. 703 views
what episode is kourtney and kims fight in miami?I know it was on kourtney and kim take miami but I don't know which episode I
1. 5 answers
2. asked by anonymous
3. 700 views
Write a description of a scene in the story "The Birds" by Daphne Du Maurier as it would look to a bird flying overhead.What do
1. 6 answers
2. asked by Anonymous
3. 699 views
A tungsten wire has a radius of 0.077 mm and is heated from 20.0 to 1205 °C. The temperature coefficient of resistivity is α =
1. 2 answers
2. asked by Dee
3. 698 views
What is the area of a parallelogram that has a base of 3 1/2 cm and a height of 2 1/2 cm?
1. 2 answers
2. asked by Isabella
3. 689 views
why is it that protonated pyrone have a higher pKa than protonated acetone?
1. 0 answers
2. asked by Anonymous
3. 688 views
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a
1. 1 answer
2. asked by jason
3. 688 views
A diver springs upward from a board that is 3.20 m above the water. At the instant she contacts the water her speed is 11.4 m/s
1. 0 answers
2. asked by Bee
3. 686 views
5.How did the United States change as it became more economically independent? (Select TWO)Population decreased as trade with
1. 2 answers
2. asked by Princess Anna
3. 681 views
A preschool child in your class draws a square that's divided by lines. This shape is known as a
1. 3 answers
2. asked by Anonymous
3. 674 views

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