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Hello,I'm having some trouble getting started on this question: "Calculate the volume and mass required to make 0.1 M solutions
1. 5 answers
2. 1,103 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. 1 answer
2. 708 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. 1 answer
2. 569 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. 1 answer
2. 515 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. 1 answer
2. 431 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. 1 answer
2. 504 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. 1 answer
2. 467 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. 1 answer
2. 383 views
1/a+1/b+1/c=1/2aâ‰§bâ‰§c Please help me The math question
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2. 398 views
Many day ago my seddenly my computer can't open.The power botton can't light. Please help me.
1. 1 answer
2. 526 views
in a cladogram, a branch point represents a(n)____________ and a branch that ens without leading to living species
1. 1 answer
2. 1,595 views
Which of the following statments regarding the cost of preferred stock is true? a.It is typically found by solving for an
1. 1 answer
2. 678 views
which of the following will make it harder in the future to develop sustainable methods for humans using resources?A. there will
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2. 1,086 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. 1 answer
2. 1,384 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
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2. 723 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
1. 2 answers
2. 538 views
11. In which one of the following sentences is the simple subject also the complete subject?A. Crocodiles, quiet as logs, lurked
1. 3 answers
2. 1,032 views
6. Which one of the following fragments is a prepositional phrase?A. During the darkest night B. Going to Cleveland C. Listening
1. 1 answer
2. 1,174 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. 1 answer
2. 1,034 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
1. 5 answers
2. 3,362 views
Simplify each of the following expressions into simplest terms.a) {[-X+Y+(-2)*(-2Y)*[X-Y]}/[(X-Y)^2+(X+Y)^2] b)
1. 4 answers
2. 1,047 views
what is the product of reaction dehydrated K3(Al(C2O4)3) with KMnO4 in the present of KOH?
1. 1 answer
2. 563 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. 1 answer
2. 559 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. 0 answers
2. 465 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
1. 2 answers
2. 1,267 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. 1 answer
2. 948 views
The physics of tobogganing and forces at an angle:A child is tobogganing down a hillside. The child and the toboggan together
1. 1 answer
2. 814 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. 1 answer
2. 1,425 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. 1 answer
2. 2,021 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
1. 3 answers
2. 4,035 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
1. 7 answers
2. 8,944 views
Name the following compounds1. 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. 1 answer
2. 1,276 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
1. 2 answers
2. 364 views
How many grams of K2HPO4 are there in a teaspoon? Tablespoon? How do I figure this out?
1. 1 answer
2. 498 views
I want to make a 3% potassium sulphate solution. How many grams or mg I need per 100 ml
1. 1 answer
2. 368 views
Which kind of xocrine gland has no cytoplasm in its secretion? Is it holocrine? Thank you
1. 0 answers
2. 342 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. 1 answer
2. 1,012 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
1. 4 answers
2. 3,572 views
Hello everyone, I need help solving this question:Spiderman is running along the rooftops jumping from building to building. The
1. 1 answer
2. 421 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
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2. 546 views
From a survey of 100 college students, a marketing research company found that 60 students owned iPhones, 30 owned cars, and 25
1. 2 answers
2. 1,447 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. 1 answer
2. 974 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.
1. 2 answers
2. 1,847 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
1. 2 answers
2. 1,122 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
1. 5 answers
2. 1,964 views
Jupiter's gravitational field at the surface is approximately three times that of the earth. A person weighing 120 lb. on the
1. 1 answer
2. 735 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
1. 2 answers
2. 440 views
an object weighs 3 lb. at 10 earth radii from its center. What is the object's weight on the earth's surface?
1. 2 answers
2. 1,135 views
what is the weight of a 3.0 kg object on the surface of the earth?
1. 4 answers
2. 1,637 views
If a force of 60 N is exerted on a 15 kg object, calculate the acceleration that the object undergoes.________m/s(squared)
1. 2 answers
2. 1,431 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. 1 answer
2. 567 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
1. 7 answers
2. 2,000 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
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2. 852 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
1. 2 answers
2. 778 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. 1 answer
2. 1,357 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
1. 6 answers
2. 2,444 views
how did the decline of copper prices in the1980s affect chile
1. 2 answers
2. 560 views
Why do indigenous people in Guatemala live in the mountain
1. 3 answers
2. 617 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
1. 4 answers
2. 3,265 views
What is another name for the Roman numeral XV?
1. 1 answer
2. 398 views
Name two institutions organizations that are involved in supporting or giving redress to these disasters
1. 3 answers
2. 1,005 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. 1 answer
2. 714 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
1. 5 answers
2. 3,427 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. 1 answer
2. 884 views
A long-distance runner runs 2 miles south and then 4 miles east. How far is the runner from thestarting point? Round to nearest
1. 3 answers
2. 496 views
Describe the importance of quadratic equations to a basketball player, diver, or even a sniper. Give an example of a real-world
1. 3 answers
2. 1,064 views
This week’s focus is on systems of equations. Describe a profession that might use this on a regular basis, and give an
1. 2 answers
2. 480 views
Discuss the relationship between the FOIL method for multiplying polynomials and the distributive property of multiplication.
1. 0 answers
2. 522 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
1. 5 answers
2. 583 views
Which of the following publications are both listed under the "Magazines" results?A. Astronomy and Science B. Odyssey and
1. 11 answers
2. 780 views
Scholarly journal articles are written:A. By experts in a subject field B. By reporters C. By lower division college students D.
1. 1 answer
2. 464 views
Search engines are most useful for finding:A. course information. B. books in a library. C. Web sites. D. scholarly journal
1. 4 answers
2. 534 views
If points S, O,and N are collinear, how many lines do they determine?
1. 2 answers
2. 1,344 views
Well this is for the I know why the Caged birddiscuss what Maya Angelou means by the title of her autobiography A bird in a cage
1. 1 answer
2. 763 views
Can you help me evaluate Hamlet's views on religion, mortality and justice.
1. 2 answers
2. 708 views
By referring to specific examples from Act One describe the atmosphere, mood and tone of the play.
1. 1 answer
2. 427 views
How does single-slit interference affect a double-slit experiment?
1. 2 answers
2. 556 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. 1 answer
2. 1,251 views
What SAT score do you need to be in the top 20% of the population?
1. 2 answers
2. 562 views
Need help with these calculus questions, would really appreciate it.Heres a link to the question sheet,
1. 0 answers
2. 517 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. 1 answer
2. 487 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. 1 answer
2. 2,969 views
When does winter break start for most students?
1. 2 answers
2. 523 views
What is the cube root of 24 plus the fith root of 192
1. 2 answers
2. 379 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
1. 2 answers
2. 586 views
Merry Christmas from Jiskha to all of the students and homework help experts.
1. 4 answers
2. 479 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
1. 2 answers
2. 545 views
What kind of glasswork is dangerous to use because it has stress points where the glass may break
1. 1 answer
2. 474 views
What kind of glasswork is dangerous to use because it has stress points where the glass may break
1. 1 answer
2. 473 views
What do you call a company that charges large corporations to acquire feedback from the general public?For example, before a new
1. 0 answers
2. 457 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.
1. 3 answers
2. 586 views
I know a couple kids whose first day of school was today.When does school start for most school districts across the US?
1. 6 answers
2. 612 views
This question is for the teachers that visit jiskha.com.What services could jiskha.com provide that would benefit you and your
1. 4 answers
2. 605 views
What is the location of this piece of equipment
1. 2 answers
2. 405 views
Sorry, this is a little long, hope somebody could give me some help. Thanks in advance.Consider the exchange rate of the dollar
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2. 1,031 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
1. 2 answers
2. 763 views
Dear Everyone:It is beautiful outside. After a full day of school and homework, make sure you go outside and play! Your friend,
1. 9 answers
2. 454 views
HiCan anyone tell me why using the scientific name for plants is important in the context of their evolutionary relationship ...
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2. 541 views
Hi,Could anyone list the MAIN points in summarising the geological and chemical processes causing arsenic contamination in
1. 3 answers
2. 1,037 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
1. 7 answers
2. 473 views

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