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Leo
Questions (240)
Hello,
I'm having some trouble getting started on this question: "Calculate the volume and mass required to make 0.1 M solutions
5 answers
1,157 views
A man is holding an 8.00kg vacuum cleaner at arm's length, a distance of .550m from his shoulder. What is the torque on the
1 answer
750 views
If 0.85 mol of a diatomic molecule has a mass of 23.8g, identify the molecule? We tried to multiply .85 mol and 23.8g and then
1 answer
603 views
Mrs. Warren is making a snack for her class. The recipe calls for chocolate chips and peanuts in a ratio of 4:2. If Mrs. Warren
1 answer
553 views
Determine the relationship between the radius and height of a right-cone with a volume of 300 cm3. This is all there is to the
1 answer
452 views
Jimmy is riding his bike at a speed of 5.5m/s. How long will it take him to go 2 miles? I tried using Dimensional Analysis, but
1 answer
538 views
Maria, who has been a computer consultant for the past 5 years, has 100 regular customers. Her standerd fee is $90 per hour. She
1 answer
510 views
If the price of an item, after adding the 7.6% sales tax, is $53.80, what is the price of the item, before tax?
1 answer
431 views
1/a+1/b+1/c=1/2
a≧b≧c Please help me The math question
0 answers
413 views
Many day ago my seddenly my computer can't open.
The power botton can't light. Please help me.
1 answer
568 views
in a cladogram, a branch point represents a(n)____________ and a branch that ens without leading to living species
1 answer
1,640 views
Which of the following statments regarding the cost of preferred stock is true? a.It is typically found by solving for an
1 answer
733 views
which of the following will make it harder in the future to develop sustainable methods for humans using resources?
A. there will
5 answers
1,133 views
I'm asked to find max and min of: L(t)=12+2.8sin((2pi/365)(t-80).
I find the derivative as:
1 answer
1,432 views
Jungle Jim owes three debts:
$500 due in one year plus interest at 6% semi-annually, $2000 due in two years, $1000 due in three
0 answers
766 views
P is a point outside of circle Γ. The tangent from P to Γ touches at A. A line from P intersects Γ at B and C such that
2 answers
600 views
11. In which one of the following sentences is the simple subject also the complete subject?
A. Crocodiles, quiet as logs, lurked
3 answers
1,069 views
6. Which one of the following fragments is a prepositional phrase?
A. During the darkest night B. Going to Cleveland C. Listening
1 answer
1,218 views
4. In which one of the following sentences does the subject come after the verb?
A. Brock traveled over miles of dirt roads. B.
1 answer
1,066 views
1. In which one of the following sentences does the verb agree with the subject?
A. There is a million reasons why I shouldn't
5 answers
3,413 views
Simplify each of the following expressions into simplest terms.
a) {[-X+Y+(-2)*(-2Y)*[X-Y]}/[(X-Y)^2+(X+Y)^2] b)
4 answers
1,074 views
what is the product of reaction dehydrated K3(Al(C2O4)3) with KMnO4 in the present of KOH?
1 answer
599 views
2.)If f(x)=3x,g(x)=x-3,and h(x)= the square root of x, find (fogox)(X). I really didn't get this will someone please show me how
1 answer
595 views
2.)If f(x)=3x,g(x)=x-3,and h(x)= the square root of x, find (fogox)(X). I really didn't get this will someone please show me how
0 answers
512 views
1.) If h(x)= (fog)(x) and h(x) = 3 over the square root of x+3 , find g(x) if f(x)= 3 over the square root of x+2.
my answer is
2 answers
1,305 views
Hannah's teacher brought in a bucket containing 72 blocks. The blocks are red, yellow or blue. Hannah wants to figure out the
1 answer
994 views
The physics of tobogganing and forces at an angle:
A child is tobogganing down a hillside. The child and the toboggan together
1 answer
873 views
A clothesline is attached to two fixed ends which are 10.0m apart. A pulley of mass 40.0kg hangs freely in the middle of the
1 answer
1,467 views
A ferryboat, whose speed in still water is 4.00m/s, must cross a river whose current is 3.00m/s. The river runs from west to
1 answer
2,079 views
An electron is accelerated from rest to a velocity of 2.0x10^7 m/s.
a) if the electron travelled 0.10m while it was being
3 answers
4,099 views
1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to
7 answers
8,990 views
Name the following compounds
1. CH3-CH=CH-CH2 l Cl 2. CH3-CH-C=(tripple bond)C-CH3 l CH3 3. Cl Cl l l CH = C-CH3 4. Complete the
1 answer
1,313 views
If a 60N weight free falls onto a hollow ball what amounts of force are produced after 3 seconds of impact, if it lands .3m away
2 answers
402 views
How many grams of K2HPO4 are there in a teaspoon? Tablespoon? How do I figure this out?
1 answer
540 views
I want to make a 3% potassium sulphate solution. How many grams or mg I need per 100 ml
1 answer
401 views
Which kind of xocrine gland has no cytoplasm in its secretion? Is it holocrine? Thank you
0 answers
358 views
Hello everyone, I need help with this question:
A bartender slides a glass of beer down a bar with an initial velocity of 2m/s.
1 answer
1,048 views
Hello everyone, I need help with this question:
A dart gun is fired while being held horizontally at a height of 1.00m above
4 answers
3,618 views
Hello everyone, I need help solving this question:
Spiderman is running along the rooftops jumping from building to building. The
1 answer
449 views
A student is asked to answer 7 out of 9 questions on an exam.
(a) Classify the problem as a permutation, a combination, or
1 answer
593 views
From a survey of 100 college students, a marketing research company found that 60 students owned iPhones, 30 owned cars, and 25
2 answers
1,484 views
Please help with this problem.
Compute the following volume and surface area. A rectangular solid has sides of 7 cm, 9 cm, and 11
1 answer
1,014 views
You must cover a hole that is elliptical in shape. You measure the major and minor axes and find them to be 6 ft. and 4.5 ft.
2 answers
1,901 views
This is confusing:
This proportion can be changed to (0.45)y = x, where x represents the person's weight in kilograms and y
2 answers
1,173 views
A car has a 12 volt battery. The engine has a resistance of 0.22 ohms. How many amps will be drawn from the battery when the key
5 answers
2,008 views
Jupiter's gravitational field at the surface is approximately three times that of the earth. A person weighing 120 lb. on the
1 answer
769 views
I asked this question before:
if the force of 60 N is exerted on a 15 kg object, calculate the acceleration that the object
2 answers
483 views
an object weighs 3 lb. at 10 earth radii from its center. What is the object's weight on the earth's surface?
2 answers
1,177 views
what is the weight of a 3.0 kg object on the surface of the earth?
4 answers
1,678 views
If a force of 60 N is exerted on a 15 kg object, calculate the acceleration that the object undergoes.
________m/s(squared)
2 answers
1,473 views
The diameter of a wrecking ball used to tear down buildings is 3.5 ft. What is the volume (to the nearest hundredth)?
Is there
1 answer
608 views
The Smiths have a pool that is 20 feet by 35 feet.
A 5 foot wide deck completely surrounds the pool. The average depth of the
7 answers
2,040 views
If a pool holds 22,000 gallons, how long will it take to fill the pool at a rate of 400 gallons per minute, rounded off to the
5 answers
878 views
A plumber's assistant's rate of pay is $0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. He
2 answers
825 views
If a mixture of 24 lb. of cement, 48 lb. of sand, and 63 lb. of gravel is needed to make 1 cubic foot of concrete, how many
1 answer
1,383 views
You plan to construct a brick wall measuring 4.5 m in length, 1.2 m high, and 0.5 m in width. If a brick measures 20 cm x 9 cm x
6 answers
2,497 views
how did the decline of copper prices in the1980s affect chile
2 answers
592 views
Why do indigenous people in Guatemala live in the mountain
3 answers
657 views
A packet of carrot seeds has a germination rate of 92%. In other words, the probability of any seed sprouting is 0.92. How many
4 answers
3,317 views
What is another name for the Roman numeral XV?
1 answer
418 views
Name two institutions organizations that are involved in supporting or giving redress to these disasters
3 answers
1,041 views
Show that a,b,c, and d are positive integers when,
((a^2+1)(b^2+1)(c^2+1)(d^2+1))/abcd≥16
1 answer
737 views
Two horizontal forces F1 and F2 act on a 1.7 kg disk that slides over frictionless ice, on which an xy coordinate system is laid
5 answers
3,480 views
A car traveling at 58 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 63 cm (with respect to the
1 answer
935 views
A long-distance runner runs 2 miles south and then 4 miles east. How far is the runner from the
starting point? Round to nearest
3 answers
541 views
Describe the importance of quadratic equations to a basketball player, diver, or even a sniper. Give an example of a real-world
3 answers
1,135 views
This week’s focus is on systems of equations. Describe a profession that might use this on a regular basis, and give an
2 answers
500 views
Discuss the relationship between the FOIL method for multiplying polynomials and the distributive property of multiplication.
0 answers
570 views
1)Which of the following sets of Dewey Decimal call numbers is in the correct order?
A. 100.1 BLU, 010.1 ABR, 004.15 KWA, 100.01
5 answers
648 views
Which of the following publications are both listed under the "Magazines" results?
A. Astronomy and Science B. Odyssey and
11 answers
826 views
Scholarly journal articles are written:
A. By experts in a subject field B. By reporters C. By lower division college students D.
1 answer
512 views
Search engines are most useful for finding:
A. course information. B. books in a library. C. Web sites. D. scholarly journal
4 answers
591 views
If points S, O,and N are collinear, how many lines do they determine?
2 answers
1,383 views
Well this is for the I know why the Caged bird
discuss what Maya Angelou means by the title of her autobiography A bird in a cage
1 answer
803 views
Can you help me evaluate Hamlet's views on religion, mortality and justice.
2 answers
739 views
By referring to specific examples from Act One describe the atmosphere, mood and tone of the play.
1 answer
457 views
How does single-slit interference affect a double-slit experiment?
2 answers
625 views
1. It takes 190 kJ of work to accelerate a car from 21.0 m/s to 29.0 m/s. What is the car's mass?
2. A 32-kg girl is bouncing on
1 answer
1,293 views
What SAT score do you need to be in the top 20% of the population?
2 answers
595 views
Need help with these calculus questions, would really appreciate it.
Heres a link to the question sheet,
0 answers
572 views
determine the x-coordinate of the point on the curve y=2x(lnx) at which the tangent line is parallel to the line y=4x+9
1 answer
514 views
It is estimated that uranium is relatively common in the earth’s crust, occurring in amounts of 4 g/metric ton. A metric ton
1 answer
3,007 views
When does winter break start for most students?
2 answers
574 views
What is the cube root of 24 plus the fith root of 192
2 answers
411 views
Do you capitalize the word "in" or "on" in book titles?
For example, if there was a book called "He Is in the Park", would you
2 answers
623 views
Merry Christmas from Jiskha to all of the students and homework help experts.
4 answers
520 views
Are there any animals with an odd number of feet? Humans have two feet, dogs have four and spiders have eight. By feet, I mean
2 answers
581 views
What kind of glasswork is dangerous to use because it has stress points where the glass may break
1 answer
526 views
What kind of glasswork is dangerous to use because it has stress points where the glass may break
1 answer
515 views
What do you call a company that charges large corporations to acquire feedback from the general public?
For example, before a new
0 answers
486 views
Does anyone find the picture as funny as I do?
http://www.jiskha.com/math/statistics/ It's a baby holding a statistics textbook.
3 answers
617 views
I know a couple kids whose first day of school was today.
When does school start for most school districts across the US?
6 answers
650 views
This question is for the teachers that visit jiskha.com.
What services could jiskha.com provide that would benefit you and your
4 answers
648 views
What is the location of this piece of equipment
2 answers
440 views
Sorry, this is a little long, hope somebody could give me some help. Thanks in advance.
Consider the exchange rate of the dollar
1 answer
1,069 views
I am not quite sure about the following questions, is it True or False for each of the following?
1) The exchange rate (under
2 answers
819 views
Dear Everyone:
It is beautiful outside. After a full day of school and homework, make sure you go outside and play! Your friend,
9 answers
482 views
Hi
Can anyone tell me why using the scientific name for plants is important in the context of their evolutionary relationship ...
0 answers
580 views
Hi,
Could anyone list the MAIN points in summarising the geological and chemical processes causing arsenic contamination in
3 answers
1,068 views
During the next couple weeks I will be tweaking and making finishing touches to the new design for Jiskha.com.
If you have any
7 answers
523 views
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