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Questions Asked on March 31, 2014

Which box-and-whisker plot shows the scores of ten students on a mathematics exam?92, 76, 83, 97, 74, 81, 92, 91, 96, 87 (1
1. 14 answers
2. asked by james
3. 11,201 views
An 8 g bullet is shot into a 4.0 kg block, at rest on a frictionless horizontal surface. Thebullet remains lodged in the block.
1. 7 answers
2. asked by Georgey
3. 11,044 views
1.D2.A 3.A 4.im not sure please help 5.false One light bulb in a string of lights goes out. This causes all of the other lights
1. 47 answers
2. asked by matt
3. 10,813 views
Compute Δy and dy for the given values of x and dx = Δx. (Round your answers to three decimal places.)y = 3x − x^2, x = 3,
1. 1 answer
2. asked by Kim
3. 9,531 views
I need help!!!a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area
1. 2 answers
2. asked by Alex
3. 4,789 views
A water tank is filled to a depth of 10 m and the tank is 20 m above ground. The waterpressure at ground level in a hose 2 cm in
1. 4 answers
2. asked by Georgey
3. 4,117 views
A reaction A(aq)+B(aq)<-->C(aq) has a standard free-energy change of –3.35 kJ/mol at 25 °C. What are the concentrations of A,
1. 2 answers
2. asked by ACDub
3. 3,905 views
The volumes of soda in quart soda bottles are normally distributed with a mean of 32.3 oz and a standard deviation of 1.2 oz.
1. 2 answers
2. asked by olivo
3. 3,756 views
what is the total mass of Rn-222 remaining in an original 160-mg sample of Rn-222 after 19.1 days?
1. 1 answer
2. asked by pamela
3. 3,231 views
how do I find the product for 15x3 1/5 using distributive property,help please
1. 2 answers
2. asked by kenny
3. 2,680 views
Phosphorus pentachloride decomposes according to the chemical equationPCl5<-->PCl3 +Cl2 A 0.260 mol sample of PCl5(g) is
1. 5 answers
2. asked by Anonymous!!
3. 2,618 views
I need to check my answers for the following:An Aston Martin V8 Vantage sports car has a maximum “lateral acceleration” of
1. 6 answers
2. asked by Chelsea
3. 2,608 views
Freezing and Melting are two different physical changes that involve the same amount of energy. compare and contrast the
1. 8 answers
2. asked by Helen
3. 2,555 views
Use differentials to estimate the amount of paint needed to apply a coat of paint 0.03 cm thick to a hemispherical dome with
1. 1 answer
2. asked by Ulay
3. 2,541 views
the longer legs of a right triangle is 20 cm more than twice the length of the shorter leg. The length of the hypotenuse is 22
1. 1 answer
2. asked by Peter
3. 2,517 views
In a recent year, 16.3% of all registered doctors were female. If there were 47,600 female registered doctors that year, what
1. 6 answers
2. asked by Charlie
3. 2,197 views
two objects attract each other gravitationally with a force of 2.5^-10N.when they are 0.25m apart. Their total mass is 4.00kg.
1. 1 answer
2. asked by rdw
3. 2,073 views
Use a linear approximation (or differentials) to estimate the given number.(1.999)^4
1. 1 answer
2. asked by Tenshi
3. 1,909 views
Find the number of elements in A1∪A2∪A3, supposing that there are103 elements in A1, 992 elements in A2, 10011 elements in
1. 4 answers
2. asked by Connor
3. 1,903 views
Find the probability of drawing the face card that is a spade on the first-draw replacing it and drawing a king card on the
1. 1 answer
2. asked by Joe mama
3. 1,797 views
consider caleb the basketball player. In a game, he shoots 10 free throws. In the year, he makes 70% of his free throws. Is this
1. 3 answers
2. asked by Helen
3. 1,788 views
The chemical reaction for the generation of gas in an automobile safety air bag is 2NaN3(s)→ 2Na(s)+3N2(g)What volume of gas
1. 3 answers
2. asked by Kayla
3. 1,653 views
For the scenario below, determine if the experiment describes a geometric distribution. If it is not a geometric setting, state
1. 1 answer
2. asked by helen
3. 1,579 views
A helium ballon contains 0.32g of helium. Given the molecular weight of helium is 4. How many moles of helium does it contain.
1. 2 answers
2. asked by Anonymous
3. 1,418 views
One month Ivanna rented 5 movies and 3 video games for a total of $29. The next month she rented 2 movies and 12 video games for
1. 1 answer
2. asked by Charlie
3. 1,406 views
The circle defined by the equation x^2 + y^2 = 18 has two points where the slope of its tangent line is m=1. Find those points.
1. 2 answers
2. asked by Anonymous
3. 1,395 views
The circumference of a sphere was measured to be 80 cm with a possible error of 0.5 cm.1) Use differentials to estimate the
1. 1 answer
2. asked by Gul
3. 1,365 views
A certain car's cooling system has an 8-qt capacity and is filled with a mixture that is 30% alcohol. How much of this mixture
1. 1 answer
2. asked by matt
3. 1,362 views
which of the following does not reduce water pollution?
1. 5 answers
2. asked by Nikko
3. 1,361 views
How many grams of Li2O must be carried on board to remove 85.0kg of water?
1. 2 answers
2. asked by Anonymous
3. 1,351 views
Compare endothermic and exothermic reactions in terms of potential energy, heat flow, and observed temperature changes. Explain
1. 3 answers
2. asked by Helen
3. 1,346 views
Verify the given linear approximation ata = 0. Then determine the values of x for which the linear approximation is accurate to
1. 1 answer
2. asked by JYoung
3. 1,327 views
The capital accounts of Hawk and Martin have balances of $160,000 and $140,000, respectively, on January 1, 2010, the beginning
1. 1 answer
2. asked by Big Dada
3. 1,319 views
Calculate the pH of a solution made by combining 40.0 ml of a 0.14 molar HBrO and 5.0 ml of 0.56 molar NaOH
1. 1 answer
2. asked by Vee
3. 1,289 views
The ferris wheel in an amusement park. It has a diameter of 24m, and it takes 40s to make one complete revolution. If Peter gets
1. 1 answer
2. asked by Yuika
3. 1,287 views
If Cathy walks for 2 h and rides her bicycle for 1 h, she can travel 36 km. If she walks for 2 h and rides her bicycle for 2 h,
1. 3 answers
2. asked by Emily
3. 1,259 views
Verify the given linear approximation ata = 0. Then determine the values of x for which the linear approximation is accurate to
1. 3 answers
2. asked by Tim
3. 1,203 views
What is the maximum value of the function y= 18/x^2-9 over the interval -3<x<3?A. 0 B. 2 C. -2 D. Infinity
1. 1 answer
2. asked by Katherine
3. 1,197 views
A 1.0 M acetic acid solution (CH3COOH, pKa = 4.7) is neutralized by dissolving NaOH(s) (a strong base) in the solution. Estimate
1. 1 answer
2. asked by bekah
3. 1,195 views
The presence of ammonia in a solution of AgCl will decrease the solubility of AgCl.True Or False
1. 2 answers
2. asked by Katie
3. 1,159 views
In the spectrum of a specific element, there is a line with a wavelength of 656 nm. Use the Rydberg equation to calculate the
1. 1 answer
2. asked by James
3. 1,122 views
The chef has 25 pounds of strip loin. The trim loss on the strip loin is 35% amd the cooking loss is 80% of the trimmed weight.
1. 7 answers
2. asked by Peyton Payumo
3. 1,118 views
6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the
1. 2 answers
2. asked by Sue
3. 1,118 views
A uniform magnetic field makes an angle of 30 degrees with the axis of a circular loop of 300 turns and radius of 4 cm. The
1. 0 answers
2. asked by Lucy
3. 1,098 views
a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area
1. 1 answer
2. asked by Alicia
3. 1,095 views
Use each clue to find a three digit number
1. 0 answers
2. asked by ashley
3. 1,087 views
The glide reflection Ry--x degree T <4,1> maps the P to (4,3). Find the coordinates of P. Please help I'm really confused.
1. 1 answer
2. asked by Heather
3. 1,083 views
Solve the trigonometric equation 3sinθ=1.2 for 0≤θ≤4π
1. 1 answer
2. asked by Pam
3. 1,079 views
a cannon with mass of 2,000 kg fires a 10 kg shell with a velocity of 200 m/s at an angle of 60 degrees above the horizontal.
1. 1 answer
2. asked by garrett
3. 1,078 views
for the function y=-(1)/(x-3/4) describe the intervals where the slope is increasing and where its decreasing
1. 1 answer
2. asked by Kim
3. 1,070 views
1.Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.2.Partition
1. 3 answers
2. asked by kodak
3. 1,070 views
A cubic meter of some material has a mass of 6400 kg. The block of material is lowered into a lake by a strong cable until the
1. 1 answer
2. asked by Tyler
3. 1,061 views
I need immediate help on these questions:.2.a small plastic ball with a mass of 0.005kg is suspended from a thread and hangs in
1. 0 answers
2. asked by Julie
3. 1,054 views
As a technician in a large pharmaceutical research firm, you need to produce 100.mL of 1.00 M a phosphate buffer solution of pH
1. 1 answer
2. asked by Billy Bob Reynolds
3. 1,043 views
How many kilocalories of heat does the operation of a 1285 W hair dryer produce each second?
1. 0 answers
2. asked by Anonymous
3. 1,021 views
A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis
1. 2 answers
2. asked by ACDub
3. 1,003 views
a 1000 kg sports car accelerates from 0-30 m/s in 5.0 s. What is tge average power delivered by the automobile engine?
1. 1 answer
2. asked by garrett
3. 997 views
a 1500 kg car moving at 20 m/s strikes a truck waiting at a traffic light, hooking the bumpers. The two continue to move
1. 1 answer
2. asked by garrett
3. 997 views
Light shines through a single slit whose width is 5.7 × 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m
1. 0 answers
2. asked by fifi
3. 970 views
Bubble wrap sells in sheets, and each sheet has 1 million individual spherical bubbles, each with a diameter of 0.01 m. What is
1. 3 answers
2. asked by de
3. 967 views
Thirty minutes of physical activity a day can improve your family and can help to bring you closer togetherAnswer Are True False
1. 1 answer
2. asked by snow
3. 955 views
As a fighter pilot makes a tight turn (with his head toward the centre of curvature), the blood drains from his head, leading to
1. 2 answers
2. asked by Zanele
3. 929 views
B. 2 students are sharing a loaf of bread. Student A eats 2/3 of the loaf, then student B eats half of what remains, then
1. 2 answers
2. asked by RAE
3. 926 views
A ladder can fall for two reasons. If it is set too steep and the climber gets their mass to the left of the ladder's base, the
1. 1 answer
2. asked by joe
3. 924 views
1. Rewrite the word equation as formula equation:Aluminum + copper (II) chloride= aluminum chloride + copper 2. What is not
1. 2 answers
2. asked by Madhu
3. 910 views
Hg2Cl2 = Hg + HgCl2Please help me write the two half equations for this.
1. 1 answer
2. asked by megan
3. 909 views
The chemical reaction of 100 g of salicylic acid, C7H6O3, with excess acetic anhydride produces 50.0 g of aspirin, C9H8O4,
1. 1 answer
2. asked by Kayla
3. 878 views
I go to connection acdeamy and I am in the 7th grade regular math Mrs. Janus I just need some help with this testFind the next
1. 4 answers
2. asked by Kayla Moore
3. 868 views
In a statistics class of 45 students, 12 have a strong intrest in statistics. If two students are selected at random from this
1. 1 answer
2. asked by ashley
3. 857 views
What tool is used to capture the energy in sunlight?
1. 6 answers
2. asked by Anonymous
3. 825 views
1. What effect did the Punic Wars have on small Roman farmers?A. grains from conquered lands drove down grain prices. B. grains
1. 15 answers
2. asked by Cierra
3. 800 views
Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min.(a) What is the speed of the water
1. 0 answers
2. asked by Renee
3. 787 views
According to the smcr model problems in communication can arise when the speaker fails to do what
1. 5 answers
2. asked by Rasheena
3. 752 views
Which of the following accurately debunks the nutrition myth?Answer Are Grapefruit can help you lose weight A diet will help you
1. 2 answers
2. asked by snow
3. 749 views
Scientists estimate that 600,000 acres of land will disappear from Louisiana’s coastal region over the next fifty years. Which
1. 4 answers
2. asked by victoria
3. 747 views
Which is President Kennedy’s intent when using questions in the last paragraph of this excerpt?
1. 2 answers
2. asked by Anonymous
3. 747 views
Assume that 0.0200 mole of a gas is collected in the lab by water displacement. If thetemperature of the gas is 26.0oC and the
1. 1 answer
2. asked by Anonymous
3. 723 views
equilibrium constant = 2.180 x 10^6 @ 730 C.H2 (g) + Br (g) <=> 2HBr (g) (reversible) startin with 3.20 moles of HBr in a 21.3-L
1. 2 answers
2. asked by Anonymous
3. 721 views
Which of the following statements about the two sample sizes is NOT true? Assume thepopulation standard deviations are equalA.
1. 0 answers
2. asked by arelis
3. 720 views
Pinnacle Homes, a real estate development company, is planning to build five homes, each costing $125,000, in 2 1/2 years. The
1. 2 answers
2. asked by tota
3. 719 views
equilibrium constant = 55.3 @ certain temperatureH2 (g) + I2 (g) <=> 2HI (g) (reversible) If you start with 0.195 M hydrogen
1. 2 answers
2. asked by Anonymous
3. 712 views
The acceleration due to gravity on the moon is 1.62 m/s2. What is the length of a pendulum whose period on the moon matches the
1. 0 answers
2. asked by Hannah
3. 694 views
As a savings plan for college, when their son Bob was born, the Wilburs deposited $10,000 in an account paying 8% compounded
1. 1 answer
2. asked by tota
3. 692 views
Needs the entries for the following scenarios:Capital accounts as follows : Mason ; 90,000 Jiri; 30,000 James; 60,000 a) Frank
1. 0 answers
2. asked by dustin
3. 690 views
Dana rode her bicycle 600 miles one summer before she had to replace the tire on her front wheel. The diameter of the front
1. 4 answers
2. asked by Tanya
3. 690 views
4. Columbus had a hard time convincing anyone to undertake the expense of financing a voyage to an unknown place. Based on the
1. 3 answers
2. asked by Sue
3. 690 views
Need help on Microsoft Access Graded Project 2013
1. 2 answers
2. asked by mario
3. 654 views
Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series
1. 1 answer
2. asked by suleri
3. 644 views
I know it is a bit long and maybe difficult, please help me to answer these..1) I have pET28a with insert inside. Insert is 400
1. 0 answers
2. asked by Restriction Enzyme Digestion
3. 638 views
List the following in order of increasing force of attraction1. an electron in the outer shell of carbon atom (in the ground
1. 3 answers
2. asked by Mohanad
3. 637 views
A 3000N force stretches a wire by 2.0mm. A second wire of the same material is twice as long and has twice the diameter. How
1. 0 answers
2. asked by Sarah
3. 635 views
At a certain temperature, the Kp for the decomposition of H2S is 0.791.H2S<--> H2 + S Initially, only H2S is present at a
1. 1 answer
2. asked by Anonymous.
3. 632 views
The ratio of the number of boys to the number of girls in Mr. Brown's class is 5:4. Which of the following can be calculated
1. 1 answer
2. asked by Anonymous
3. 629 views
2NO (g) + Cl2 (g) <=> 2NOCl (g) (reversible)equilibrium constat = 1 x 10^7 @ certain temp NO = 2.8 x 10^-2 mol Cl2 = 1.4 x 10^-3
1. 1 answer
2. asked by Anonymous
3. 626 views
I don't understand how to do this one integral problem that involves secant. I'm asked to find the integral of sec^4 (4x). I'm
1. 1 answer
2. asked by Anonymous
3. 624 views
In a survey of 280 college students, it is found that67 like brussels sprouts, 93 like broccoli, 60 like cauliflower, 26 like
1. 0 answers
2. asked by John
3. 616 views
Mandy scored 22 points in a basketball game. If she made 9 field goals, worth either 2 or 4 points, and no free throws, how many
1. 1 answer
2. asked by Happy
3. 613 views
Multiply a 3- digit number by a 1- digit number1/in a package of pencils , 8 are yellow and 4 are blue . How many yellow pencils
1. 2 answers
2. asked by Nnn
3. 598 views
For a hydrogen atom, determine the ratio of the ionization energy for the n = 3 excited state to the ionization energy for the
1. 0 answers
2. asked by fifi
3. 580 views
car with a mass of 1280 kg is moving around a curve with a radius of 50 m at a constant speed of 10 m/s (about 22 MPH).(a) What
1. 1 answer
2. asked by candi gonzalez
3. 576 views

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