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Questions (223)
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Force and Motion Basics (select Acceleration) In one or two sentences, make a
1 answer
118 views
A Chinese restaurant has a large goldfish pond. Suppose that an inlet pipe and a hose together can fill the pond in 10 hours.
1 answer
128 views
The straight line l1 has gradient m and has x intercept 6.
a) Show clearly that the equation of l1 can be written as y +mx = 6.
1 answer
336 views
11<t -4
3 answers
229 views
A ball is thrown horizontally from the the top of a building H and lands a distance x from the base of the building. What must
1 answer
298 views
a pregnant woman goes out of her room goes to the refrigerator opens a can of tuna a soda a yogurt and a cookie what did she
3 answers
458 views
Middle SchoolHistory 5+3 pts
1. The Pacific islands formed by coral reefs are called (1 point) A. volcanic. B. reefs. C. atolls.
2 answers
684 views
A sample of iron absorbs 71.1 J of heat, upon which the temperature of the sample increases from 21.5°C to 28.8°C. If the
2 answers
746 views
The value of ΔH° for the reaction below is -1107 kJ:
2Ba (s) + O2 (g) → 2BaO (s) How many kJ of heat are released when 5.75 g
3 answers
3,845 views
the rate at which radiant energy from the sun reaches the earth's upper atmosphere is about 1.50kW/m2. the distance from the
3 answers
2,648 views
what is the standard deviation for 57,61,57,57,58,57,61
1 answer
323 views
Find the standard form equation for each ellipse described.
1) Major vertices at (0, 3) and (0, -3), minor vertices at (2, 0) and
2 answers
601 views
A multiple-choice quiz has 15 questions, each with 4 possible answers of which only 1 is the correct answer. What is the
4 answers
1,349 views
find the equation of the curve for which y'''=24x-6 if the curve passes through (-1,8) and is tangent to the line y=4x at (1,4).
2 answers
506 views
if the driver of a car wishes to increase his speed from 20 mph to 50 mph while traveling a distance of 528 ft., what constant
1 answer
489 views
a particle starts from rest and moves along a straight line with an acceleration equal to 24-15√t where distance and time are
2 answers
635 views
a stone dropped from a balloon which was rising at the rate of 15 ft./sec. reached the ground in 8 seconds. how high was the
3 answers
524 views
If the driver of a car wishes to increase his speed from 20 mph to 50 mph while traveling a distance of 528 ft., what constant
1 answer
477 views
a particle starts from rest and moves along a straight line with an acceleration equal to 24-15√t where distance and time are
1 answer
539 views
A stone dropped from a ballon which was rising at the rate of 15 ft./sec. reached the ground in 8 seconds. how high was the
2 answers
572 views
a parachutist falling at the rate of 15 ft./sec. drops a stone. if he was 904 ft. above the ground when the stone was dropped,
3 answers
564 views
a particle moves according to the law a=1/t √t. if s=8 when t=1. and s=16 when t=4. find v when t=9.
6 answers
437 views
a gun converts 200J of stored energy into kinetic energy of the 0.02kg bullet. What is the speed of the bullet as it leaves the
2 answers
678 views
solve: 2x + 5 = 3x - 9
1 answer
319 views
Z=square root of(x^2+y^2) + xy
Find the partial derivatives: x, xx, y, yy, xy. Thanks.
1 answer
441 views
The domain and range of ln(4-x-y).
Thanks.
3 answers
369 views
Z=square root of (x^2+y^2) + xy
Find the partial derivatives: x, xx, y, yy, xy. Thanks.
1 answer
397 views
very hot sinc will react with steam to form zinc oxide and hydrogen. If 5.4 liters of hydrogen was used to use up 20 g of zinc
2 answers
1,183 views
the professional qualification model in the selection of judges holds that
1 answer
357 views
Question Four
x - 7y = 15 -3x + 21y = - 45
2 answers
617 views
find the value of x in the equation 6x +4(70-x)=300
1 answer
301 views
simplifying expressions
6 answers
357 views
1.In an attempt to curb the problem of unemployment and win the forthcoming elections the government of the republic of zambia
1 answer
832 views
Critically evaluate plato's justification of rule by philosopher kings. Please help its needed the soonest
1 answer
383 views
What is science
4 answers
364 views
is politics an art or a science? give proper reasons for chosen side.(its an essay)
2 answers
851 views
what are the argument for and against politics being a science
1 answer
386 views
Is politics a science or not? Give a reasons for answer
2 answers
512 views
John has a job that requires him to travel 3 of every 4 weeks. He has an annual budget and can travel either by train or by
1 answer
432 views
John has a job that requires him to travel 3 of every 4 weeks. He has an annual budget and can travel either by train or by
1 answer
440 views
a computer store sold a total of 300 items last month. the store sold six times as amny hard drives as they did CD-ROM drives,
1 answer
467 views
subtract the fraction 74/5 from the fraction 18 6/15 and reduce your answer to the lowest terms.
5 answers
635 views
add the fractions 2/3, 3/8, and 5/12 and reduce your answer to the lowest terms
4 answers
1,676 views
a lumberyard makes picnic tables for $87.00 and sells them for $127.89. what is the percent markupbon each picnic table based on
3 answers
991 views
convert 5/8 to a decimal
1 answer
298 views
convert 5/8 to a decimal
2 answers
707 views
According to your text, our main sources of ethical standards
are religion and A. philosophy. C. culture. B. social habit. D.
1 answer
372 views
A 301-kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. The propulsion force pushing
2 answers
1,096 views
a rectangular garden has a length of 9 meters and a width of 7 meters. inside the garden is a square patch of roses. the patch
2 answers
577 views
Write a 350- to 700-word paper that explains which of Erikson’s eight stages of life you believe you are currently in.
Explain
3 answers
724 views
a new refrigerator costs $2495. It may be purchased for $95 down and 24 monthly payments of $125 eachI forgot questions
What is
1 answer
457 views
a new refrigerator costs $2495. It may be purchased for $95 down and 24 monthly payments of $125 each
1 answer
331 views
In a gas chromatography experiment, an internal standard was used. Which is considered the blank in this experiment:-
1) Internal
1 answer
411 views
Do the following parameters indicate how stable a substance is?
1) Viscosity of a substance 2) Optical rotation of a substance
1 answer
466 views
Are the following parameters stability indicating?
1) Viscosity of a substance 2) Optical rotation of a substance
1 answer
441 views
Hi I have a follow up to a question that was answered previously.
New question: So when the HPO4(2-) reacts with the NaOH, will
2 answers
1,171 views
write an equation for which component of the phosphate buffer (H2PO4-/ HPO4^2-) reacts when HCl is added. Do the same for NaOH.
I
3 answers
1,707 views
how would you write a 6-10 complete sentence
1 answer
312 views
A machine part is made from a uniform solid disk of radius R = 0.161 m and mass M = 7.75 kg. A hole of radius R/2 is drilled
2 answers
600 views
The formula weight of diethyl ether is 74.0 amu. What is the weight of 4.25 ´ 10 20 molecules of diethyl ether?
1 answer
439 views
John's father works in Franklin. It is 39 miles from Franklin to his home. If he leaves work at 7:20 P.M.and travels an average
3 answers
518 views
identifying the parts of speech of each wording by placing the appropriate abbreviations after the words
It is a toothless
3 answers
661 views
Suppose that a market research company finds that at a price of p = $30, they would sell x = 36 tiles each month. If they lower
2 answers
592 views
Per the guidelines set out in this document
OR As per the guidelines set out in this document Which is correct?
1 answer
327 views
The _______ were responsible for the forced migration of more people from Africa than any other colonial power
7 answers
489 views
A box is filled with 6 cans of tennis balls. If the emply space was filled with sand, how much sand is needed to fill the box?
Ea
1 answer
504 views
A box is filled with 6 cans of tennis balls. If the empty space was filled with sand, how much sand will be needed to fill the
3 answers
475 views
A floor measures 19' by 16'. There is a rug centered on the floor with a 2'border all the way around the rug. If the carpet cost
1 answer
487 views
If an obtuse angle measures 130 degrees, what is its reflexive?
2 answers
683 views
A car traveling at 24.3 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long
2 answers
649 views
repost
MEAN=10 & STANDARD DEVIATION =2. FIND THE PROBABILITIES: 9.4 �less than X less than 10.6 i have 2 different answers but
3 answers
546 views
MEAN=10 & STD DEVIATION=2. FIND THE PROBABILITIES: 9.4 less than X less than 10.6?
i have 2 different answers but am checking the
1 answer
470 views
a picture frame containing a photogragh is 11 inches wide and 14 inches high. a mat around the photograph is 1 1/2 inches wide
3 answers
1,112 views
write a fraction greater than 1 for 5/8
3 answers
482 views
The 31 members of the board of the Student S. Inc. are about to take a secret ballot
whether to accept the merger proposal of
2 answers
552 views
i am doing a graph for my chemistry class, and i need help with excel.
How do i plot 3.50X10^-3 into excel? it comes out as a
1 answer
498 views
I need the following sentence to be one sentence. Does this sentence flow okay and is punctuation correct? Is there a better way
2 answers
571 views
If 80% of the applicants are able to pass a driver's proficiency road test, find the mean, variance, and standard deviation of
4 answers
1,837 views
Amy paid $77.71 for shoes during a 20% off sale. What is the regular price of the shoes?
2 answers
549 views
the length of a rectangle is fixed at 26m. what widths will make the perimeter greater than 90 cm
1 answer
347 views
don't know where to start or end! charges $20 for a phone and $30/month for its economy plan. The equation C =30t + 20 describes
3 answers
542 views
Help! i am having trouble finding the order pair for the first pair I have (0,-12), but I am not sure this is correct
9x-4y= -12
2 answers
1,104 views
two health plans. Under plan A, Amy would have to pay the first $60 of her medical bills, plus 30% of the rest. Plan B would pay
3 answers
541 views
Can a hypothesis test yield a statistically significant (say p<=0.05), yet practically meaningless result? Give an example of
1 answer
458 views
• Given the business situation for Spectrum Brand p. 251, explain how the firm might organize using a Matrix structure for the
2 answers
623 views
what is the weight of a ten foot length of steel pipe? the inside diameter of the pipe is 3/4 of an inch, and the outside
2 answers
533 views
briefly describe one developmental theory on erik erikson?
2 answers
879 views
how does the author build his story
3 answers
357 views
A clothing manufacturer has 100m of silk and 180m of wool. To make a suit requires 2m of silk and 3m of wool, and to make a
1 answer
1,121 views
evaluate |4| + | -3| and |-9| - |-4| I need help if you could show me the steps I would be thankful.
1 answer
459 views
Give the five-number summary of each set of numbers 77541988852
1 answer
417 views
the best in this kind are but shadows is
1 answer
340 views
a 68 mile trip uses 2 gallons of gas. how many gallons would you use on a 110 mile trip? round to the nearest tenth of a gallon.
5 answers
431 views
solve the equation. 15(x-3)=12x-43
7 answers
466 views
what do you consider might happen if revenue accounts are not closed
1 answer
343 views
what is the name of the Marine special forces
1 answer
328 views
Shelby had $18.50. she spent $7.25 at the car wash. Write an expression that shows what she spent.
1 answer
216 views
what are the transition words?
2 answers
519 views
Post your response to the following: What is one strength you see in th current U.S. health care system? What is one weakness
4 answers
1,188 views
A drop of starch is added to a mixture of 97.30 ml of 0.1096 M I2 and 97.20 ml of 0.1098 M Na2S2O3. I've already calculated the
1 answer
477 views
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