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Questions Asked on April 30, 2013

A particle moves along the curve y = sqr(1+x^3). As it reaches the point (2,3), the y-coordinate is increasing at a rate of 4
1. 1 answer
2. asked by Lizzy
3. 10,034 views
1. How many valence electrons does a carbon atom have?A) 1 B) 2 C) 3 D) 4<<my answer 2. How many double covalent bonds are in an
1. 6 answers
2. asked by Anonymous
3. 9,086 views
Suppose oil spills from a ruptured tanker and spreads in a circular pattern. If the radius of the oil spill increases at a
1. 1 answer
2. asked by Kelly
3. 7,468 views
What happened to Mr. Meter when Mrs. Meter mother flew in for a visit?
1. 10 answers
2. asked by Anonymous
3. 7,388 views
Arrange the following 0.10M solutions in order of increasing pH:a. Nacl b. NH4CL C. HCL D. NaCH3CO2 e. KOH
1. 1 answer
2. asked by Liz
3. 7,133 views
math word problem a building 240ft tall casts a 100 foot long shadow. If a person stands at the end of the shadow and looks up
1. 1 answer
2. asked by Jay
3. 6,724 views
Click on the box to choose whether each sentence restates the key idea expressed in the key sentence.Key Idea: When hot weather
1. 3 answers
2. asked by Perla
3. 6,324 views
The amount of heat per second conducted from the blood capillaries beneath the skin to the surface is 250 J/s. The energy is
1. 1 answer
2. asked by Tim
3. 4,143 views
A kite is 32m above from the ground. The angle the kite string makeswith the ground is 39°. How long is the kite string, to the
1. 2 answers
2. asked by Jackie
3. 3,826 views
The figure shows a uniform beam of mass m pivoted at its lower end, with a horizontal spring attached between its top end and a
1. 1 answer
2. asked by annetee
3. 3,344 views
In a sample of 77 widgets, 6 were defective. How many defective widgets would you expect in a sample of 616 widgets?
1. 1 answer
2. asked by Lenore
3. 3,277 views
The probability that a person has blue eyes is 16%. Three unrelated people are selected at random.a. Find the probability that
1. 4 answers
2. asked by Dave
3. 3,159 views
Alyssa is enrolled in a public-speaking class. Each week she is required to give a speech of greater length than the speech she
1. 7 answers
2. asked by Jane
3. 3,153 views
Using 4x^2 - 9y^2 = 36Find y by implicit differentiation and then solve the equation explicitly for y and differentiate to get
1. 1 answer
2. asked by Katie
3. 3,110 views
1.For participating countries, NAFTA called for a challenge to U.S. economic leadership. the gradual removal of trade
1. 18 answers
2. asked by Anonymous
3. 3,059 views
gina ate 1/6 of an apple pie. Greg ate 1/2 of the same apple pie. how much of the apple pie was left
1. 5 answers
2. asked by marsha
3. 2,898 views
Use the given data to find the minimum sample size required to estimate a population proportion or percentage.Margin of error:
1. 2 answers
2. asked by Rob
3. 2,890 views
What is the equation of a circle passing through (-4,-4) and tangent to the line 2x-3y+9=0 at (-3,1)?
1. 2 answers
2. asked by John
3. 2,771 views
what will the volume of a gas at 309K if its volume at 215K is 3.42 L? Assume the pressure is constant
1. 1 answer
2. asked by frank
3. 2,763 views
A study of 420,048 cell phone users found that 135 of them developed cancer of the brain or nervous system. prior to this study
1. 1 answer
2. asked by Rob
3. 2,713 views
Diana is driving 182 miles to Orlando for a math convention. She has already driven x miles of th trip. If Diana drives below 70
1. 1 answer
2. asked by Jane
3. 2,608 views
The pH of blood is 7.4 and that of saliva is 6.4. what is the difference in pH between these two solutions? How much more
1. 1 answer
2. asked by Liz
3. 2,569 views
The pK3 of formic acid is 3.75A)what is the pH of a buffer in which formic acid and sodium formate have equimolar concentration?
1. 4 answers
2. asked by Liz
3. 2,443 views
Choose the correct form of the possessive for the bolded word in the following sentence: "A YEARS worth of hard work has finally
1. 1 answer
2. asked by Anonymous
3. 2,387 views
A bacterial culture starts with 3000 bacteria and increases to 48,000 after 3 hours, find the doubling time:
1. 3 answers
2. asked by Anonymous
3. 2,288 views
it 6:10 is the hour hand closer to the 6 or 7? Why?
1. 2 answers
2. asked by Anonymous
3. 2,232 views
For a particular reaction at 195.1 °C, ΔG = -1488.09 kJ/mol, and ΔS = 288.67 J/(mol·K).?Calculate ΔG for this reaction at
1. 4 answers
2. asked by Dee
3. 2,177 views
Chloroform (CHCL3) has a normal boiling point of61 'C and an enthalpy of vaporization of 29.24 kJ/mol. What is the value of
1. 2 answers
2. asked by Chloe
3. 2,031 views
Chromium(III) chloride(aq) + potassium sulfide(aq)what are the products of this reaction
1. 1 answer
2. asked by sarah
3. 1,956 views
17.Which roller coaster has the greatest lift heightTop Thrill Dragster 18.What is the median lift height for the roller
1. 2 answers
2. asked by Jerald
3. 1,849 views
1) Particles of charge Q1 = +77 µC, Q2 = +44 µC, and Q3 = -80 µC are placed in a line. The center one (Q2) is 0.35 m from
1. 1 answer
2. asked by Kristal
3. 1,741 views
Calculate the enthalpy of fusion of naphthalene (C10H8) given that its melting point is 128 Celsius and its entropy of fusion is
1. 1 answer
2. asked by Chloe
3. 1,703 views
At TelePower Plus, long-distance phone calls to China cost $0.59 for the first minute and $0.25 for each additional minute, plus
1. 1 answer
2. asked by Anonymous
3. 1,693 views
This week Sage spent. 30 for hot dogs and supplies. he earned 18. did he make money are lose money this week?
1. 3 answers
2. asked by asha
3. 1,626 views
Charmaine is looking at the rental car prices for Get You There Rental Car Company. The cost is based on how many miles you plan
1. 1 answer
2. asked by Annie
3. 1,608 views
Movie tickets are $7 for students and $9 for adults. A group of 8 people spent $66 on movie tickets. How many adult tickets were
1. 3 answers
2. asked by Peewee
3. 1,551 views
Patrick left home at 4 P.M. on Sunday. He arrived back home 36 hours later. What day and what time was it?I think it is 4 Am on
1. 7 answers
2. asked by Anonymous
3. 1,550 views
4.U.S. military intervention failed to end a civil war in *Haiti. Somalia. Kosovo. Palestine.
1. 4 answers
2. asked by Anonymous
3. 1,549 views
During the month of December 20-1, TJ's Specialty Shop engaged in the following transactions:Dec. 1 Sold merchandise on account
1. 1 answer
2. asked by cas
3. 1,534 views
A Cold Stone Creamery ice cream shop sells sundaes for $3.60 and banana splits for $4.25. The shop sells four times as many
1. 1 answer
2. asked by TM
3. 1,471 views
Use the data from this table of thermodynamic properties to calculate the maximum amount of work that can be obtained from the
1. 0 answers
2. asked by Dee
3. 1,442 views
A woman at point A on the shore of a circular lake with radius 2.5mi wants to arrive at the point C diametrically opposite A on
1. 2 answers
2. asked by Shannon
3. 1,441 views
Given that for the vaporization of benzene Hvap= 30.7 kj/mol and Svap= 87.0 J(K * mol) , calculate Delta G (in kJ/mol) for the
1. 1 answer
2. asked by Chloe
3. 1,413 views
Why do plants without vascular systems tend to grow small and close to the ground?A. Nonvascular plants get less food than
1. 2 answers
2. asked by Anonymous
3. 1,358 views
Good X and good Y are substitutes. If the price of good Y increases, then the
1. 0 answers
2. asked by Anonymous
3. 1,299 views
Calculate the solubility of CuSO4 5H2O at 0 C in grams of solute per 100 g water.
1. 2 answers
2. asked by Breanna
3. 1,277 views
rectangular prism has a volume of 240 ft3. write two possible sets of dimensions for the prism
1. 2 answers
2. asked by sam
3. 1,186 views
A ball of volume V=8 L is full of air with pressure higher than atmospheric pressure by Δp=2×10^4 Pa. The total mass of the
1. 9 answers
2. asked by MAths lover Please Helppppp
3. 1,179 views
Charmaine is looking at the rental car prices for Get You There Rental Car Company. The cost is based on how many miles you plan
1. 1 answer
2. asked by Annie
3. 1,178 views
Order each set of integers from least to greatest1.-2,3,0,-1,1 -2,-1,0,1,3 8.3,-3,-2,1,-1 -3,-2,-1,1,3 9.5,-7,-2,1,9 -7,-2,1,5,9
1. 2 answers
2. asked by Jerald
3. 1,156 views
Sonoma winery has fixed cost of $10,000 per year. its warehouse sells wine with variable costs of 80% of its unit selling price.
1. 1 answer
2. asked by edwin
3. 1,150 views
Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the
1. 1 answer
2. asked by Rob
3. 1,143 views
Two runners have a race. The first runner decides to run with his full speed v₁=9 m/s over the 250 meters of the race and then
1. 3 answers
2. asked by Arnau
3. 1,124 views
4.U.S. military intervention failed to end a civil war in *Haiti. Somalia. Kosovo. Palestine. Thank You.
1. 6 answers
2. asked by Anonymous
3. 1,084 views
Prove that if angle DAC is 40 degrees and angle ACD is 35 degrees, then angle BDA is 70 degrees. Write a two column proof
1. 0 answers
2. asked by alexandria
3. 1,078 views
You are interested in purchasing a wide-screen television set at Target. On this type of TV, the ratio of screen width to screen
1. 2 answers
2. asked by Kellie
3. 1,055 views
An eight-inch square cake serves six people.how many twelve-inch square cakes do you need to provide equivalent servings for
1. 3 answers
2. asked by matt
3. 1,038 views
a simple pendulum of period T has a metal bob which is negative charged. if it is allowed to oscillate in a vertically upward
1. 1 answer
2. asked by aditya jain
3. 1,033 views
How many ordered pairs of integers (x,y) are there that satisfy |x|+|y| ≤ 10?
1. 2 answers
2. asked by Arnau
3. 1,017 views
1. In which sentence do apostrophes serve to indicate both possession and contraction?A. Lady's slippers were under Carol's bed.
1. 5 answers
2. asked by no
3. 1,011 views
CosA+cosB-cosC=4COSA/2 cosB/2 SINC/2-1
1. 0 answers
2. asked by Hansika
3. 1,005 views
A car of 1500 kg mass moving with constant speed 10m/s for 10s . Calculate the average force acting on the car during this time
1. 1 answer
2. asked by saber
3. 1,000 views
Is this sentence correct?The show is great but it is much less than expected.
1. 1 answer
2. asked by klarmaesen
3. 996 views
1. The function of the circulatory system is to:A. Deliver oxygen and nutrients to every cell B. facilitate communication
1. 1 answer
2. asked by Christopher
3. 989 views
the present age of a father and his son are in the ratio 10:3. if the son is 15 years old now, in how many years will the ratio
1. 2 answers
2. asked by kola
3. 981 views
im so confused about this questionCalculate the pH of a solution that has [H3O+] = 5.5 x 10-3.
1. 1 answer
2. asked by joe
3. 975 views
1.Melanie, Byron, and Chin are all waiting at the bus stop. Melanie's bus leaves at 10 minutes after noon. Byron's bus leaves at
1. 2 answers
2. asked by Jerald
3. 973 views
Find the sum of all integers c, such that for some integers a and b satisfying a<b<c,a(b−c)^4+b(c−a)^4+c(a−b)^4=836
1. 2 answers
2. asked by Pete
3. 966 views
Consider 18.0 M H2SO4, if you need to make 250.0 mL of a 3.0 M solution of H2SO4, how would you do this?18.0 M H2SO4 has a
1. 3 answers
2. asked by Marie
3. 963 views
A ball of volume V=8 L is full of air with pressure higher than atmospheric pressure by Δp=2×10^4 Pa. The total mass of the
1. 3 answers
2. asked by jfchfrhrc
3. 953 views
Tapered bar with end loadThe small tapered bar BC has length L=0.1 m and is made of a homogeneous material with Young’s
1. 39 answers
2. asked by helpless
3. 948 views
The medial triangle of a triangle ABC is the triangle whose vertices are located at the midpoints of the sides AB, AC, and BC of
1. 0 answers
2. asked by denise
3. 947 views
Order each set of integers from greatest to least13.8,43,-25,12,-14,3 43,12,8,3,-14,-43 14.-8,32,55,-32,-19,-3
1. 1 answer
2. asked by Jerald
3. 935 views
Which colonial region had rich farmlands,,Appalachian Highlands,large harbors and bays,and deep wide rivers?
1. 8 answers
2. asked by Vannesa
3. 928 views
how many integers x satisfy the condition that 2x & 3x are perfect squares.
1. 5 answers
2. asked by girija prasad lenka
3. 927 views
not sure how to solve this problem, Mrs. Smith put $5,000 into a certificate of deposit at the bank that paid 6% interest per
1. 1 answer
2. asked by sandra
3. 926 views
In the book In the Garden of Beasts, Chapter 18, it asks,At this point in Hitler’s rise to power no military action was taken
1. 0 answers
2. asked by lizzy
3. 924 views
Three environmental health hazards that cause ill health
1. 1 answer
2. asked by prince
3. 909 views
2.President Clinton sent military troops to Bosnia to bring about peace and distribute food during a famine. stop immigrants
1. 6 answers
2. asked by Anonymous
3. 905 views
The temperature was 56 degrees this morning but dropped one degree per hour through the rest of the day. Use the graph you made
1. 1 answer
2. asked by Desirae
3. 899 views
Composite bar with end load (two segments)The composite bar BCD in the figure is composed of an inner aluminum cylindrical core
1. 27 answers
2. asked by helpless
3. 893 views
Mrs.Koh purchased new books for the school library, of which 6 were Mathematics books, 7 were Science books, 10 were Music
1. 3 answers
2. asked by RS
3. 886 views
An equilateral triangle with side length 33 is divided into 33^2 smaller unit equilateral triangles each with side 1, forming a
1. 0 answers
2. asked by MAths lover Please Helppppp
3. 866 views
A soccer player kicks a ball and gives it an initial upward velocity of 47 feet per second. If everyone waits for the ball to
1. 1 answer
2. asked by kelly
3. 864 views
why do different compounds give different retention factors (Rf values) in thin layer chromatography (TLC)
1. 1 answer
2. asked by jessica
3. 846 views
Martin Luther King, “Letter from Birmingham Jail,” draws from the thought of Thomas Aquinas in saying “an unjust law is a
1. 1 answer
2. asked by Christopher
3. 843 views
DrBob222,I don't know how to solve this problem either. And yes, this is the question for this problem. I even double check it.
1. 5 answers
2. asked by Chloe
3. 816 views
If 20 grams of sulfur reacts with an excess of oxygen, what volume of the product SO2 would be collected at 108.5 kPa and 15
1. 1 answer
2. asked by Christina
3. 794 views
Consider 18.0 M H2SO4, if you need to make 250.0 mL of a 3.0 M solution of H2SO4, how would you do this?18.0 M H2SO4 has a
1. 4 answers
2. asked by Marie
3. 776 views
The balanced equation for the decomposition of sodium bicarbonate is 2 NaHCO3 (s) --> Na2CO3 (s) + H2O (g) + CO2 (g)delta H
1. 1 answer
2. asked by Laura
3. 774 views
A restaurant offers 12 types of entrees, 6 types of appetizers, and 4 types of rice.How many meals of appetizer, entree, and
1. 2 answers
2. asked by Johnny
3. 762 views
Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p.n=500,
1. 1 answer
2. asked by Rob
3. 761 views
Pilar picked 12 apples. She gave 1/4 of the apples to Dwayne, 1/4 of the apples to Murphy, and 1/4 of the apples to kelley. How
1. 2 answers
2. asked by Kesha
3. 751 views
Use the given data to find the minimum sample size required to estimate a population proportion or percentage.Margin of error:
1. 1 answer
2. asked by Rob
3. 751 views
In a golf math Jesse scored 5 over par Neil scored 3 under par, Felipo scored 2 over par and Dawson scored an even par. Order
1. 2 answers
2. asked by Jerald
3. 751 views
Tuan rode in a 40m mile bike racewhat fraction of the race had tuan ridden when completed 25 miles?
1. 1 answer
2. asked by clarence
3. 748 views
If f(x)=2(x-3)^2-5 find the vertex, the x intercepts the y intercepts sketch the graph, choose two points on the graph and find
1. 3 answers
2. asked by smc
3. 732 views
A rancher wants to make an animal pen by fencing in an area of 2500000 square feet in a rectangular field and then divide it up
1. 1 answer
2. asked by Lucas
3. 721 views
Calculate the solubility of CuSO4 5H2O at 0 C in grams of solute per 100 g water.
1. 0 answers
2. asked by Breanna
3. 709 views
It is common to see mixed fractions in recipes. A recipe for pizza crust may ask for 1 1/2 cups of flour. You could measure this
1. 5 answers
2. asked by Jerald
3. 707 views

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