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jackie
Questions and answers by
jackie
, page 2
Questions (205)
Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth.
x: 23 17 12 35 29
1 answer
432 views
If you begin with 100.0 mL of a 3.0 Molar solution of ammonium sulfate and 100mL of a 2.0 Molar solution of barium phosphate how
1 answer
967 views
If you begin with 100.0 mL of a 3.0 Molar solution of ammonium sulfate and 100mL of a 2.0 Molar solution of barium phosphate how
3 answers
491 views
tina can paint a room in 8 hours, but when she and her friend emily work together, they can complete the job in 3 hours. how
3 answers
506 views
for what are value of k are the roots of 3x^2-6x+k=0 equal?
3 answers
621 views
the length of a rectangle is 2x+4/(x^2-9) and its width is 3/(x-3). express the perimeter of the rectangle as a single fraction
1 answer
358 views
Put the molecules in order of increasing bond polarity H-F, C-N, AND F-N.
2 answers
592 views
What are the two things that determine whether a molecule is polar or nonpolar?
4 answers
549 views
What is hybridization and wahta are the different hybridizations for each molecular geometry?
3 answers
465 views
What is hybridization and what are the different hybridizations for each molecular geometry?
1 answer
460 views
Chris eats 3 slices of a pizza that is cut into 8 equal slices. What percentage of the pizza does he eat?
5 answers
3,951 views
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys
4 answers
2,621 views
A simple random sample of size n = 300 is obtained from a population whose size is and whose population size is n=20,000 ans
3 answers
1,225 views
how do you solve 355 1/5
55 2/5
6 answers
474 views
y=x2+6
3 answers
280 views
Suppose x is a uniform random variable with c = 40 and d = 50. Find the probability that a randomly selected observation exceeds
4 answers
1,823 views
estimate the answere by clustering 95+91+89+94
1 answer
286 views
The measure of the angle’s supplement is 50 degree more than five times that of its complement. Find the measure of the angle
4 answers
4,674 views
with a mean of 60 and standard deviation of 7, what is the z score at 1.64?
1 answer
329 views
How Might You Determine If InformatiOn Found Online Is Trustworthy Describe Credibility Issues With InformatiOn Found On The
1 answer
918 views
a 260 m wire is cut into 3 pieces. The second is 4 times longer than the 1st. The third is 2 times longer than the 2nd how long
4 answers
1,664 views
: if the formula R=-0.037t + 50.1 can be used to predict the world record in the 400 meter dash t years after 1925, for what
1 answer
420 views
Find the value of the expression. -128 divided by 4square plus 6 minus 1
1 answer
417 views
what is a t-test
1 answer
401 views
what is the perimeter of triangle 8746
1 answer
285 views
Ed Long promised to pay his son $400 semiannually for 12 years. Assume Ed can invest his money at 6% in an ordinary annunity.
2 answers
556 views
need the equation for this problem. Mike invested $706 for one year. He invested part of it at 5% and the rest at 3% at the end
1 answer
471 views
A chemist is asked to make 10 liters of a a35% solution. She has only a 10% solution and a 50% solution to work with. how much
2 answers
920 views
Use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three
2 answers
1,192 views
what is the expression that best represents the side of a square with the area of 100x^4y^8
1 answer
405 views
find the whole-number possibilities for the lengths of the bases of a trapezoid with a height of 1m and an area of 3m squared.
2 answers
736 views
who are the "fools" mentioned in the poem "Trees"; poets, gods, trees, robins
2 answers
610 views
The per capita consumption of coffee by people in the United States in a recent year was normally distributed, with a mean of
2 answers
544 views
A ball is thrown upward with an initial velocity of 6.0m/s by someone on top of the building 34m tall who is leaning over the
2 answers
1,195 views
a projectile is fired upward from the ground to reach 64 feet. What is the velocity when it is 48 feet above the ground
1 answer
421 views
5.2 The Natural logarithmic function
Differentiate the function problem # 13: f(x)= sqrt(x) Inx
2 answers
558 views
i wanna KNOW IF im DOING RIGHT.
Evaluate the difference quotient for the given function. Simplify your answer. f(x)=x+3/x+1,
4 answers
3,450 views
2. Are the student final exam scores in classroom A significantly different than the average of classroom B, 80%? Provide the
4 answers
769 views
how do we end up with salvage value if the item is depreciated the cost of the item either over a period of years or all in one
1 answer
359 views
A locker combination has three nonzero digits, and digits cannot be repeated. If the first digit is 3, what is the probability
1 answer
456 views
1. How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)?
4 answers
473 views
Find the ending balance in an account that opens with $9,000, earns 4.5% interest compounded quarterly, and is held for 5 years.
1 answer
422 views
A small rock weighed 4,298 ounces. what is the eight of the rock to the nearest thousand?
1 answer
336 views
How long is the strip of wood shwan wants to buy
1 answer
326 views
a 700- to 1,050-word paper that includes the following:
• Describe the principles of verbal and nonverbal communication. •
2 answers
711 views
Draw the graph of y=-2f(x+1)-3
4 answers
886 views
2,6,10,14, what is the next number at ate a/30 place.
a/n=-2+4n a/30=?
2 answers
533 views
find the slope of the given line if it is defind.
the line through (2,5) and (0,8) please show work
1 answer
310 views
8x^3+4x^2-4x solution sets
3 answers
308 views
show an example of an user inputs a list of positive numbers terminated by 0 into an array, find the mean of the numbers in the
2 answers
800 views
One number is 5 times another. Write an expression for the sum of their reciprocals. Then simplify the expression. (Use x for
2 answers
1,183 views
HOW DID SPAIN ESTABLISH TERRITORIAL CLAIMS IN THE CARIBBEAN AND SOUTH AMERICA?
2 answers
531 views
using the break-even equations to solve for price and variable cost per unit andromeda company's break-even point is 2,400
4 answers
724 views
The plane came down later than expected.
In this sentence ,what part of speech is the word down?
3 answers
509 views
When calcium carbonate is heated strongly, carbon dioxide gas is released.
CaCO3(s) CaO(s) + CO2(g) What volume of CO2(g),
4 answers
1,553 views
if you have 600 cards and gave away 280 of them. to the nearest hundredth what percant of the cards is left
1 answer
413 views
Factors of water that cause contemporary social? issues?
2 answers
568 views
what is the physics answer to A 25.0 kg mortar shell is launched from level ground at 38.0m/s at 60 Degrees above the
2 answers
672 views
At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters.
3 answers
1,090 views
At the amusement park, you decide to ride the Ferris wheel, which has a maxmum height of 80 meters and a diameter of 40 meters.
4 answers
1,482 views
Two people, one twice as massive as the other, try to play tug of war on a nearly frictionless, level, icy surface. When they
4 answers
6,900 views
The earth attracts a large flying bug toward its center with a force of 0.10 Newtons. With what force does the bug attract the
2 answers
616 views
The sum of two forces, one having a magni- tude of 9 N acting due east and other having a magnitude of 4 N acting due north is
3 answers
953 views
The earth attracts a large flying bug toward its center with a force of 0.10 Newtons. With what force does the bug attract the
4 answers
2,589 views
The profile of an earthquake survivor would most likely be included in (1 point)
a feature article. an editorial article. a hard
4 answers
2,094 views
John was late to dinner and I was late to the movies.
simple complex compound compound-complex
10 answers
4,701 views
estimate the answer to 4/6 + 1/9
3 answers
342 views
Hi I'm working on a final project and wanted to know if I coded it right
Well a 45 yr old woman goes in for a headache.
2 answers
608 views
A 5000 kg space shuttle starts at rest and linearly increases its thrust from 0N to 1000N across a displacement of 2000 meters.
3 answers
418 views
A baseball team played 149 complete games last season. They had 31 fewer wins than losses. How many games did the team win?
9 answers
552 views
What were the company towns about?
4 answers
476 views
two marbles are drawn without replacement from a box with 3 white,2 green, 2 red, and 1 blue marble. Find the probability.
Both
2 answers
980 views
a box contains the following mixture of colored marbles 2 black, 3 red, 5 yellow, and 2 green. If two marbles are drawn, the
4 answers
3,030 views
During a department store sale 30 shoppers bought only clothing. 5 shoppers bought only towels, and 15 shoppers thought both
2 answers
1,082 views
at a track meet with 135 participants, 25 participate in jumping event, 1/5 of these jumpers are female, and 1/3 of the the
1 answer
695 views
The annual precipitation for one city is normally distributed with a mean of 329 inches and a
standard deviation of 2.6 inches.
2 answers
1,020 views
Who labeled the era following the Civil War the "Gilded Age"?
3 answers
618 views
Which of the following statements about the Grange and Farmers' Alliance movements is most accurate?
6 answers
2,416 views
Which of the following was not one of the underlying causes of the Panic of 1893?
the failure to build enough railroad lines to
6 answers
972 views
Which author's book on the link between naval might and international power influenced leading statesmen both in the United
2 answers
1,103 views
Who owned the company that controlled over 90% of the nation's oil refining industry?
Andrew Carnegie Jay Gould John D.
3 answers
938 views
The majority of the "new immigrants" of the late-19th century came from?
2 answers
838 views
A late-nineteenth-century Republican would have been more likely than a late-nineteenth-century Democrat to support?
states'
3 answers
1,240 views
Suppose BD−→− bisects ∠ABC. If m∠ABD=12x+24 and m∠DBC=20x+16, what is m∠ABC?
10 answers
6,107 views
The length of a rectangle is twice the width. If the length is increased by 6, and the width is doubled, a new rectangle is
3 answers
553 views
Paving cost is $10.30 per square yard. find the total cost of paving the shaded area in figure 27-21. Round the answers to
2 answers
663 views
three quadrant hemorrhoidectomy icd 9
1 answer
429 views
A small ferris wheel: A student is riding a 20-m-diameter ferris wheel that is making three revolutions per minute. If there are
4 answers
1,117 views
A cube has edge lengths of 4 inches. What is the approximate length of a diagonal "d" of the cube?
3 answers
617 views
At a certain time of day, a pole, 5 meters tall, casts a 3 meter shadow. The shadow of the building beside the pole is 18 meters
4 answers
2,273 views
ted Williams made deposits of 500.00 at the end of each year for eight years. the rat is 8% compounded annually. calculate the
4 answers
2,999 views
when are annuity due payments made
1 answer
403 views
calculate the volume of Nitrogen gas generated at 21 degree celcius and 823 mmHg by the decomposition of 60.0 grams of sodium
4 answers
1,189 views
Shania deposited $3,000 into a savings account that earns 6.5% simple interest. How much will Shania have in her savings account
4 answers
1,295 views
When should commas be used in writing? Comma rules?
1 answer
449 views
If we decrease the distance an object moves we will
1 answer
315 views
what is the opposite of (4,-3)
1 answer
148 views
What does it mean to evaluate something?
to offer an opinion about something to offer an opinion about something to assess the
4 answers
74 views
However improbable it may seem, the arrival of around two million Yiddish-speaking Jews from Central and Eastern Europe in North
2 answers
70 views
However improbable it may seem, the arrival of around two million Yiddish-speaking Jews from Central and Eastern Europe in North
2 answers
72 views
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