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2014
July

Questions Asked on July 1, 2014

Find the critical value za/2 that corresponds to the given confidence level.96%
1. 2 answers
2. asked by Kasey
3. 4,413 views
Consider the following reaction: 4NH3 + 7O2 (arrow) 4NO2 + 6H2O.A) How many moles of NH3 react with 5.64 mol of O2? B)How many
1. 1 answer
2. asked by Apryl
3. 3,946 views
A Gallup poll of 1236 adults showed that 12% of the respondents believe that it is bad luck to walk under a ladder. Consider the
1. 2 answers
2. asked by Kasey
3. 3,396 views
Compute the critical value za/2 that corresponds to a 85% level of confidence.
1. 2 answers
2. asked by Kasey
3. 3,390 views
Evan is making a table that will be created in the shape of the figure below. The table top is a triangle attached to a
1. 1 answer
2. asked by monica
3. 3,334 views
13) Mercury is an environmental pollutant because it can be converted by certain bacteria into the very poisonous substance
1. 3 answers
2. asked by Luke
3. 2,604 views
One of the ways Robert nourishes his aggressive nature is byA. Playing violent video games B. Playing quarterback on the
1. 5 answers
2. asked by Cassie
3. 2,556 views
In a hardware store the ratio of shovels to rakes is 3:5. If there are 10 more rakes than shovels, how many rakes are there in
1. 1 answer
2. asked by Anne
3. 2,310 views
A car moves with a speed of 30km/hr for half an hr,25km/hr for 1he and 40km/hr for 2hrs. What is the average speed of car?
1. 3 answers
2. asked by mira
3. 2,247 views
24) It was found that a 20.00 mL portion of a solution of oxalic acid, H2C2O4, requires 6.69 mL of 0.200 M K2Cr2O7 for complete
1. 2 answers
2. asked by Luke
3. 1,924 views
Sodium carbonate, Na2CO3(s), can be prepared by heating sodium bicarbonate, NaHCO3(s).2NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g)
1. 1 answer
2. asked by Anonymous
3. 1,811 views
An isosceles triangle has a base 9.6 units long. If the congruent side lengths have measures to the first decimal place, what is
1. 1 answer
2. asked by sara
3. 1,759 views
A 20 kg box approaches the foot of a 30 degree inclined plane with a speed of 10 m/s. the coefficient of friction between the
1. 2 answers
2. asked by Clair
3. 1,740 views
A dress is on sale for a 15% discount, meaning 85% of the price remains. If the sale price of the dress is $51, then the
1. 3 answers
2. asked by Kimberly
3. 1,674 views
Many states are carefully considering steps that would help them collect sales taxes on items purchased through the Internet.
1. 2 answers
2. asked by Kasey
3. 1,630 views
A solution of calcium nitrate, Ca(NO3)2, reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride,
1. 1 answer
2. asked by Joe
3. 1,577 views
Which of the following statements is NOT true about the benefits of intermediate sanctions?A. Channeling offenders into
1. 1 answer
2. asked by Pat
3. 1,545 views
The equation y=5sin(3x-4) where y is in millimeters,x is in metres and t in seconds,represent motion. Find;Frequency Period
1. 5 answers
2. asked by onyeakagbusi Gift
3. 1,444 views
If someone gave u a tonnie,three quarters,a nickel,two dimes and a penny.how much money did they give u
1. 2 answers
2. asked by ope
3. 1,437 views
Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specified value of n.
1. 1 answer
2. asked by sara
3. 1,418 views
What is the definition of a hook?a. a topic sentence that states the main point b. an elaborating sentence that provide details
1. 1 answer
2. asked by Ashley
3. 1,347 views
18) Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for
1. 1 answer
2. asked by Luke
3. 1,346 views
A loan has a due date of December 20. If it is made on September 19, for how many days is the loan?
1. 1 answer
2. asked by Sherry
3. 1,296 views
What is the interpretation of the journey by Duane big eagle
1. 1 answer
2. asked by Sara
3. 1,281 views
In the spectrum of a specific element, there is a line with a wavelength of 486 nm. Use the Rydberg equation to calculate the
1. 1 answer
2. asked by Sarah
3. 1,279 views
In a silphuric acid (H2SO4)-Sodium Hydroxide (NaOH) acid-base titration, 17.3mL of 0.126M NaOH is needed to neutralize 25mL of
1. 2 answers
2. asked by Dawn
3. 1,253 views
Read the paragraph.The snow began falling early in the morning. Tiny, weightless crystals. By early afternoon, the ground was
1. 1 answer
2. asked by Ashley
3. 1,230 views
Find the critical values x2L and x2R that correspond to the given confidence level and sample size.99%: n=23
1. 0 answers
2. asked by Kasey
3. 1,220 views
12) Naturally occurring argon is composed of 0.3365% of 36Ar (atomic mass, 35.9675 u), 0.0632% of 38Ar (atomic mass, 37.9627 u),
1. 3 answers
2. asked by Luke
3. 1,220 views
an elevator is moving up at a rate of one meter per second. the elevator is now at the street level. when was the elevator five
1. 2 answers
2. asked by jamjam
3. 1,165 views
Air pressure at the surface of a fresh water lake near sea level is about 10^5 N/m2. At approximately what depth below the
1. 1 answer
2. asked by katherine
3. 1,147 views
A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 50.0 and
1. 2 answers
2. asked by Kasey
3. 1,139 views
When reviewing the procedure the student found that 4.912 x 10-1 M barium nitrate solution had been used instead of that in the
1. 1 answer
2. asked by Steve
3. 1,009 views
The debate team has m members. Eachmember sold 20 coupon books as a fundraiser. Write a variable expression that shows the
1. 4 answers
2. asked by Anonymous
3. 999 views
help! where do i begin with this problem...in one area, monthly incomes of technology related workers have a standard deviation
1. 0 answers
2. asked by carmen
3. 996 views
A theological argument offered by Donne in "Death Be Not Proud" may be summarized as?A. chance and fate rule all. B. life is
1. 17 answers
2. asked by Unmei
3. 989 views
The distribution of IQ scores is a nonstandard normal distribution with a mean of 100 and a standard deviation of 15. What are
1. 1 answer
2. asked by Kasey
3. 976 views
use 100 square gridsto shade 1.5 and what fraction would remain un shaded
1. 1 answer
2. asked by Noor
3. 970 views
A dilute solution of hydrochloric acid with a mass of 614.86 g and containing 0.33004 mol of HCl was exactly neutralized in a
1. 1 answer
2. asked by Sarah
3. 868 views
A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 320 babies were born,
1. 0 answers
2. asked by Kasey
3. 842 views
The velocity acquired by a body moving with uniform acceleration is 12m/s in 2 seconds and 18m/s in 4 seconds.Find the initial
1. 1 answer
2. asked by Aheli Chowdhary
3. 811 views
calculate the total amount of work performed in 5 minutes of exercise on the cycle ergometer given the following flywheel 25n
1. 1 answer
2. asked by leroy
3. 797 views
the temperature has been changing at a rate of-2 degrees fareinheit per hour and is predicted to continue at this rate. The
1. 1 answer
2. asked by jamjam
3. 794 views
Assume that a procedure yields a binomial distribution with a trial repeated n times. Use a binomial probabilities table to find
1. 0 answers
2. asked by Kasey
3. 793 views
Which of the following is an inertial frame of reference?a) a child on a moving swing observes the child next to them moving in
1. 0 answers
2. asked by Liz
3. 790 views
14) A lawn fertilizer is rated as 7.04% nitrogen, meaning 7.04 g of N in 100 g of fertilizer. The nitrogen is present in the
1. 1 answer
2. asked by Luke
3. 762 views
A solution of calcium nitrate, Ca(NO3)2, reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride,
1. 1 answer
2. asked by Joe
3. 760 views
Using the gas laws, calculate the new volume of methane gas at STP, which has escaped from a landfill and been captured at an
1. 3 answers
2. asked by John
3. 760 views
Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to
1. 0 answers
2. asked by Kasey
3. 755 views
How many grams of water could have its temperature raised from 25 ºC (room temperature) to 100 ºC (the boiling point of water)
1. 1 answer
2. asked by joshua
3. 755 views
You take a 10 N block and lift it 1 meter vertically from the floor and then place it back down on the floor. How much work do
1. 1 answer
2. asked by Macy
3. 748 views
A solution of calcium nitrate, Ca(NO3)2, reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride,
1. 2 answers
2. asked by Joe
3. 744 views
1. what happens to the force required for an object to maintain circular motion if the period is halved (goes twice as fast
1. 0 answers
2. asked by Liz
3. 733 views
A particle (m=3*10^-6 g, q=5*10^-6 C) moves in a uniform magnetic field given by (60j) mT. At t=0 the velocity of the particle
1. 0 answers
2. asked by monique
3. 730 views
2. You're an IT professional, and your boss has asked you to prepare a briefing for senior staff on the comparative advantages
1. 1 answer
2. asked by lily
3. 726 views
A balloon is released and flies straight up for 4 miles, and then the wind blows it west for 4 miles. Find the distance between
1. 1 answer
2. asked by hunter
3. 719 views
A student synthesized 6.895 g of barium iodate monohydrate, Ba(IO3)2*H2O by adding 30.00 mL of 5.912 x 10-1 M barium nitrate,
1. 1 answer
2. asked by Chris
3. 714 views
In the sentence - "Tom could see the anger in Mr. Adams' face."is "Mr. Adams' face" a compound noun? I know Mr. Adams' is a
1. 3 answers
2. asked by Erik
3. 714 views
An investor has $1400 to invest, and his financial analyst recommends two types of junk bonds. The A bonds have a 6% annual
1. 0 answers
2. asked by Kasey
3. 706 views
In a triangle ABC, PQ is the midpoint of AB and AC. PQ = 2cm, BC =3cm. The area of trapezium PQCB = 10cm^2.If the area of
1. 1 answer
2. asked by Christopher
3. 701 views
A solution of calcium nitrate, Ca(NO3)2, reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride,
1. 1 answer
2. asked by Joe
3. 672 views
The midpoint of two points is (6,2). If one of the points is (3,5), find the other point.x_m = (x_1 + x_2)/2 6 = (3 + x_2) / 2 =
1. 2 answers
2. asked by Anonymous
3. 671 views
A block of mass 21.5 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a
1. 0 answers
2. asked by val
3. 665 views
what is 8,618,175 more than the sum of 149,347 and 897,956?what is 2,194,871 plus 986,732 increased by 489,549?
1. 1 answer
2. asked by yhury
3. 663 views
You worried about math last year for 300,000 minutes. this year you will worry about math for only 60 minutes.What percent
1. 1 answer
2. asked by Johnny
3. 655 views
Find the intersection of two lines. i have the answer just please tell me how it was made4x-3y-4=0 , 4x+2y+5=0 -5y/-5 = 9/-5 y=
1. 1 answer
2. asked by Joy
3. 646 views
A mixture is prepared by adding 28.6 mL of 0.169 M Na3PO4 to 39.7 mL of 0.255 M Ca(NO3)2. What mass of Ca3(PO4)2 will be formed?
1. 1 answer
2. asked by joshua
3. 629 views
Fiber-optic cables are used widely for internet wiring, data transmission, and surgeries. When light passes through a
1. 1 answer
2. asked by Tjae
3. 591 views
1.Discuss the significance of industrial development.2.Adduce solutions to the problems of manufacturing industries on tropical
1. 2 answers
2. asked by john kelechi
3. 567 views
A block of mass 21.5 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a
1. 0 answers
2. asked by val
3. 565 views
The drug is a salt form while a molecular weight of 181.6G/mol. She needs a concentration of the stock solution of 100mM and she
1. 4 answers
2. asked by Totally Lost
3. 562 views
One of the ways most people relieve stress is to reward themselves with sweets. Accordingto one study in Food Technology, 46
1. 0 answers
2. asked by Alfie
3. 553 views
what force parallel to an inclined plane of height 3 meter and base 4 meter can just support a block mass 500 gram on the plane
1. 1 answer
2. asked by Adarsh
3. 546 views
A vertical load W is applied to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial
1. 0 answers
2. asked by SD TRUSS PROBLEM WITH THE METHOD OF JOINTS
3. 535 views
A girl inside a room is looking at the window and sees a volleyball passing outsidethe window of width w and height d. The ball
1. 0 answers
2. asked by talal
3. 520 views
how can i learn math fast.can you show me
1. 2 answers
2. asked by salome
3. 512 views
Plug in the information into the Distance Formula:D = sqrt((x_2 - x_1)^2 +(y_2 - y_1)^2)
1. 1 answer
2. asked by hunter
3. 494 views
what is 6 divided by 8.4
1. 1 answer
2. asked by cool
3. 476 views
The endpoints of a line segment are (-2, 5) and (8, 13), determine the midpoint of the line.x_m = (x_1 + x_2)/2
1. 1 answer
2. asked by hunter
3. 472 views
molecular wt of glucose is 180.14g/mole. What is the quanity of glucose in a 500mL IV solution of a 5% dextrose normal saline
1. 1 answer
2. asked by Anonymous
3. 471 views
an initial pressure of 1.50atm, an initial volume of 30.0L and an initial temperature of 40.0C.
1. 1 answer
2. asked by John
3. 469 views
Homework:(please help)Determine all prime numbers that divide 50 factorial.
1. 1 answer
2. asked by faru
3. 455 views
How do you ask..."have you been studying your driver's manual?" in Spanish
1. 2 answers
2. asked by Mackenzie
3. 438 views
where can I find compounds that are basic in nature that are inorganic bases and organic bases?
1. 1 answer
2. asked by Anonymous
3. 433 views
HOW CAN YOU TELL WETHER 2 CHARGES HAVE THE SAME MAGNITUDE
1. 1 answer
2. asked by TYDUS
3. 415 views
some Problems based on heron's formula at home
1. 1 answer
2. asked by Anonymous
3. 415 views
how can you change 1/2 to a mixed number?
1. 1 answer
2. asked by cool
3. 408 views
twelve boys spent 420 for their electrical project. what is the share of each boy if they divided the expenses equally?
1. 1 answer
2. asked by Jeanelle Macario
3. 395 views
Find the distance between the following points: (-2,4),(3,2)
1. 1 answer
2. asked by terrie
3. 386 views
57865-______+23129=48675
1. 2 answers
2. asked by josephine
3. 365 views
how much sale tax in due for a payment of 993.91
1. 1 answer
2. asked by jennifer
3. 348 views
4/3 multiply by 0 multiply by 1/2
1. 1 answer
2. asked by Noor
3. 314 views

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