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Whitney

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Questions (101)

The test scores for a math class are shown below.81,84,82,93,81,85,95,89,86,94 What is the standard deviation of the data set?
1. 5 answers
2. 8,256 views
Convert 2yd, 2ft, 5in. to centimeters.Convert 10yd,1ft, 7in. to meters. I tried it twice but still didn't get it right. Please
1. 5 answers
2. asked by Whitney
3. 3,509 views
If d varies s and d =120 when s =30 find the formula connecting d and s
1. 4 answers
2. asked by Whitney
3. 467 views
What are the five types of economic resources
1. 1 answer
2. 334 views
How can you solve for a derived unit involving density?I don't know what you mean. Density is a derived unit, no mater what the
1. 2 answers
2. 607 views
Can someone please check my work on this problem? For some reason, I get the feeling that I did it wrong.sqrt=square root (by
1. 1 answer
2. 638 views
Why is ice used during the sublimation process?
1. 5 answers
2. 591 views
what precipitate (if any) will form? Al(NO3)3 (aq) + Ba(OH)2 (aq)
1. 4 answers
2. 3,158 views
What volume of 0.0500 M Ba(OH)2 will react completely with 27.50 mL of 0.550 M HCl?
1. 4 answers
2. 747 views
Discuss the P.E. and K.E. of a pendelum swing.
1. 1 answer
2. 358 views
Why should you stir baking soda before using it?
1. 3 answers
2. 444 views
Why should you stir baking soda before using it?how can you prevent pudding and other thickened products from lumping?
1. 4 answers
2. 412 views
Mrs Thompson is putting new tile on her bathroom floor. Each tile measures 2 inches on each side. The bathroom floor is 3 feet
1. 5 answers
2. 603 views
PLEASE HELP..the table shows the number of labor hours required to produce a digital camera and bushel of wheat in China and
1. 2 answers
2. 1,331 views
During your experiment, you are drive water from the hydrate MxXy*zH2O. You subsequently determine that your hydrate has six
1. 4 answers
2. 1,290 views
What is the adverb and verb it describes in this sentence?-"Jason walked to the table and stood there.
1. 4 answers
2. 205 views
Is it acceptable to write with no changes whatsoever "The hearing-impaired child needs special accommodations for the field
1. 1 answer
2. 372 views
Gives us the speed of stars
1. 3 answers
2. 353 views
A tortoise can run with a speed of 0.10m/s and a hare can run 20 times as fast. In a race, they start at the same time, but the
1. 2 answers
2. 1,049 views
Answer the question(s) based on the following situation: 150 students in a math class take the final exam. The scores on the
1. 2 answers
2. 927 views
Quick Question - For a spontaneous reaction,ΔS°>0 and K >1. Is this always?
1. 1 answer
2. 421 views
a cliff diver falling at 9.8 m/s2 takes 1.5 seconds to hit the water. How high is the cliff?
1. 2 answers
2. 504 views
A $50 computer program is on sale for $37.50. What is the percent decrease?
1. 4 answers
2. 574 views
What is the wavelength(in meters) of a proton(mass=1.673x10^-24g) that has been accelera ted to 25% of the speed of light?
1. 4 answers
2. 1,148 views
What is the relationship between the ionization energy of the monoanion such as CL- and the electron affinity of the neutral
1. 1 answer
2. 392 views
16/2t=2
1. 3 answers
2. 282 views
A speeding motorist traveling 125 km/h passes a stationary police officer. The officer immediately begins pursuit at a constant
1. 2 answers
2. 930 views
use a combustion reaction of liquid ethanol( C2H5OH) an air as a source of work, assuming T=25 celcius, air pressure is 1 atm,
1. 2 answers
2. 526 views
In health care, there are various physician-centered communication attributes that occur during the patient-provider
1. 3 answers
2. 645 views
What are the 5 sources of power?
1. 1 answer
2. 343 views
Which of the four compounds contains a metal?HC2H3O2 CaCO3 C3H8 CO2
1. 2 answers
2. 513 views
If a pentagon has a side of 140, how many inches is the rest of the side?
1. 1 answer
2. 304 views
Find the average velocity over the time interval from 1 to 3 seconds.Express your answer in meters per second to the nearest
1. 2 answers
2. 784 views
Final Project paper.how do i go about setting up my paper to make sure i discuss all of the things that are being asked of me
1. 6 answers
2. 1,137 views
3. Your firm is considering buying a new machine that costs $200,000, is expected to generate $110,000 in new revenue each year
1. 3 answers
2. 1,215 views
. A woman whose father was color blind (X-linked, recessive) and who has type A blood has accused a man who is himself color
1. 2 answers
2. 604 views
In Siberian Huskies base fur color is represented by black & white fur BB, tan/yellow & white fur Bb, and white only fur bb.
1. 1 answer
2. 936 views
The gene for fur color in rabbits is an incompletely dominant situation: BB rabbits are brown, Bb rabbits are grey, and bb
1. 1 answer
2. 532 views
In cats the allele B produces black, whereas b produces yellow. Neither gene is dominant, and in the heterozygous state the
1. 1 answer
2. 672 views
A 375 g piece of iron was heated to 975 °C and then quenched in a bucket containing one gallon of water at 20 °C. What was the
1. 2 answers
2. 821 views
A 375 g piece of iron was heated to 975 °C and then quenched in a bucket containing one gallon of water at 20 °C. What was the
1. 2 answers
2. 497 views
8. Name three specific "poet stereotypes" that Margaret Atwood discusses or hints at in her speech.9. What were Margaret
1. 1 answer
2. 1,804 views
The projectile motion is fired with velocity of magnitude vo at the angle feta. Find feta for which the maximum elevation of the
1. 2 answers
2. 565 views
The projectile motion is fired with velocity of magnitude vo at the angle feta. Find feta for which the maximum elevation of the
1. 2 answers
2. 609 views
A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 24 m/s west, and the total
1. 2 answers
2. 1,348 views
By algebraic manipulation of the first two kinematic equations for one-dimensional motion:1) vf = vi + at 2) xf = xi + (vi)(t) +
1. 2 answers
2. 592 views
Does the limit lim 2011t/3-(squareroot)t+9 exist ?t-0
1. 2 answers
2. 1,051 views
An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that any person inside is
1. 1 answer
2. 966 views
A single bead can slide with negligible friction on a wire that is bent into a circular loop of radius 15.0 cm, as in Figure
1. 4 answers
2. 1,844 views
If it takes 4.00 J of work to stretch a Hooke's Law spring 10.0 cm from its unstressed length, determine the extra work required
1. 4 answers
2. 3,097 views
The mass m=1.00 kg is set up as a pendulum of length 0.6m . Initially in the position of h=0.2 m above the lowest point, and the
1. 1 answer
2. 717 views
The tallest volcano in the solar system is the29 km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of
1. 2 answers
2. 786 views
If you square the equation v=v0 + at, you'll have an expression for v2. Equate the two expressions for v2, and show that the
1. 3 answers
2. 406 views
You are keeping pace with another runner, at 4 minutes per mile, but are 16 m behind her when she is 130m from the finish
1. 2 answers
2. 487 views
How many grams of potassium phosphate must be dissolved in 3.75 Liters of water to produce a soltuion that contains 8*10^23
1. 2 answers
2. 850 views
What will be the concentration if 52 milliters of a solution that is 12 parts per million in sodium chloride is diluted with
1. 1 answer
2. 847 views
I had to read an excerpt from Ralph Waldo Emerson's "Self-Reliance". My assignment is to answer uestions about it. The uestion I
1. 3 answers
2. 1,463 views
1.Using the conventional color wheel, name two PAIRS of complementary colors. This means at least 4 colors. When you put
1. 1 answer
2. 1,254 views
Which of following is NOT characteristics of all fish?a.gills as respiratory organs b.two-chambered heart c.swim bladder for
1. 3 answers
2. 856 views
what are the upper and lower limits of the variable below?upper lower 15-19 60-69 * is there a formula i need to use for this.
1. 1 answer
2. 450 views
(On the contrary). Flor is describing the courses she is taking, but you have an entirely different point of view. Complete each
1. 6 answers
2. 540 views
C. La vida de dos estudiantes. Complete each sentence with the correct form of the verb in parentheses.1. Rodrigo y su novia
1. 5 answers
2. 610 views
C. La vida de dos estudiantes. Complete each sentence with the correct form of the verb in parentheses.1. Rodrigo y su novia
1. 3 answers
2. 610 views
How do I figure these out?A solution of sodium thiosulfate, Na2S2O3, is 0.1365 M. 29.28 mL of this solution reacts with 39.79 mL
1. 2 answers
2. 601 views
A 890 mL NaCl solution is diluted to a volume of 1.15 and a concentration of 8.00 . What was the initial concentration?How do I
1. 2 answers
2. 940 views
In this unit, you read William Wordsworth’s poems “Lines Composed a Few Miles Above Tintern Abbey,” “The World is Too
1. 3 answers
2. 6,375 views
If a sponge (from the ocean, not a cleaning sponge. :P) were torn apart by a predator, what would happen?
1. 1 answer
2. 960 views
What is the correct charge balance equation for an aqueous solution of MnCl2 that ionizes to Mn2 , Cl–, MnCl , and MnOH ?What
1. 4 answers
2. 1,432 views
A skateboarder, with an initial speed of 2.6m/s , rolls virtually friction free down a straight incline of length 18m in 3.3 s.
1. 2 answers
2. 646 views
If 507 g FeCL2 were used up in the reaction FeCL2 + 2NaOH > Fe(OH)@(s) + 2NaCL, how many grams of Fe(OH)2 would be formed?
1. 4 answers
2. 1,539 views
What is the oxidation half-reaction for Mg(s)+ZnCL2(aq)>MgCL2(aq)+Zn(s)?
1. 3 answers
2. 2,983 views
How much would the boiling point of water increase if 4 mol of sugar were added to 1 kg of water (Kb=0.51C/(mol/kg)for water and
1. 10 answers
2. 4,260 views
What is the common ratio of the geometric sequence whose second and fourth terms are 6 and 54, respectively?
1. 2 answers
2. 853 views
Kevin and Rob are standing on opposite sides of Edmonton's River Valley. In order to see a boat on the river, Kevin has to look
1. 2 answers
2. 912 views
How do I find the greatest common factor of 54, 81, and 135? I don't understand the tree diagram either. :(
1. 2 answers
2. 629 views
Simplify.(a) 2^3(5)^-2 =? (b) 2^-3/a^4 = 2^3a^4 =8a^4????
1. 1 answer
2. 289 views
Convert 62 inches to yards, feet, inches?How do I do all three at once? Please help.
1. 1 answer
2. 422 views
A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is
1. 2 answers
2. 916 views
Suppose a geologist is studying two distinct areas next to a spreading ridge. The magnetic direction of the minerals in the
1. 2 answers
2. 545 views
An electrician was hired to run the wires for asurround-sound stereo speaker system. She purchased 2 rolls of 14-gauge speaker
1. 5 answers
2. 1,591 views
One hundred sixty acres is a square with aside length of one-half a mile. How many hectares are in one square mile?
1. 4 answers
2. 896 views
-80=8b-15+5bHow do I solve this and what does check mean?
1. 1 answer
2. 413 views
Scarlet-Camille needs three lengths of wood to finish a project. She needs one piece measuring 148cm, one piece measuring 38 cm,
1. 2 answers
2. 574 views
Convert 86 inches to yards, feet, and inches?Why the inches again?
1. 2 answers
2. 588 views
A regulation baseball bat must be 2/3/4 inches or less in diameter and shorter than 42 inches long. Which bat would not be
1. 1 answer
2. 468 views
The height of a pop can is 15 cm and its shadow is 20 cm long. A carton of milk next to the can is 0.25 m tall. Determine the
1. 4 answers
2. 1,576 views
You have a 5/16 in. drill bit. Will it drill a hole large enough to fit a 5 mm bolt? Show two different ways to answer this
1. 3 answers
2. 1,203 views
A right pyramid has a surface area of 258 cm2.A right cone has a base radius of 4 cm. The cone and pyramid have equal surface
1. 3 answers
2. 1,610 views
The centre of a doughnut is removed and formed to make a sphere of dough with diameter 2.5 cm. A batch of these spheres is to be
1. 4 answers
2. 1,469 views
what mass of nitrogen gas is required to react completely with 2.79 of hydrogen gas to produce ammonia?
1. 3 answers
2. 1,705 views
A ball is shot out of a spring and into a hollow ballast which then swings upwards 2.5 cm. The ball has a mass of 0.10 kg, the
1. 2 answers
2. 555 views
I'm really confused on these two. Can someone help explain this to me? Thanks! :)1.) What values of u are not permissible in the
1. 1 answer
2. 527 views
I'm really confused on these two. Can someone help explain this to me? Thanks! :)1.) What values of u are not permissible in the
1. 2 answers
2. 840 views
For a certain reaction, the activation energy is 52.1 kJ/mole. By what ratio will the rate constant change if the temperature is
1. 4 answers
2. 1,502 views
The reaction of NO and O2 produces NO2.2 NO(g) + O2(g) „_ 2 NO2(g) The reaction is second-order with respect to NO(g) and
1. 4 answers
2. 5,229 views
The perimeter of a square must be greater than 104 inches but less than 150 inches. Find the range of possible side lengths that
1. 3 answers
2. 836 views
W have three air carts (labeled #1, #2, and #3) on an air track. The carts are equipped with spring bumpers so that all
1. 2 answers
2. 2,521 views
How do you say "She said I could not" in Spanish?
1. 4 answers
2. 397 views
What is the average of 12,43,37 and 40
1. 1 answer
2. 285 views
What is the equivalent fraction of 3/9 with a denominator of 450?
1. 1 answer
2. 169 views

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