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john
Questions and answers by visitors named
john
Questions (2,066)
Jennifer went to the post office for stamps. She bought the same number of 8 cents stamps and 10 cents stamps. She also bought
10 answers
2,664 views
Garrett throws a dart at a circular dart board. The dart board has a radius of 15 inches, and the bull’s eye in the center of
9 answers
6,961 views
The difference between one half of a number and one fifth of it is 561. Find the number.
5 answers
4,857 views
vernald ordered 12 1/4 kilograms of apples, unfortunately 3/7 of the apples were bruised and unusable.
how many kilograms of good
4 answers
1,313 views
In how many ways can 10 different books be divided among a, b and c so that 5 given to A, to 3 to B and 2 to C.
4 answers
3,672 views
i need help with my Rational Numbers unit test part 1
24 answers
asked by
john
8,687 views
alpha decay and nuclear reactions help
1. ___ have unstable nuclei and emit rays and particles to become more stable. this
7 answers
594 views
In a family with 4 children what is the probability of having 1 boy and then 3 girls, in that order? (Exclude multiple births
5 answers
20,839 views
can you replace the stars with figures
**** x 3 ______ ***** the whole calculation uses each of the digits 0-9 once and once only
5 answers
4,875 views
A tree casts a shadow of 34 feet at the time when a 3-foot tall casts a shadow of 1.7 feet. what is the height of the tree?
7 answers
3,960 views
What is the volume of the solid generated when the circular region bounded by the graph of x^2+y^2=1 is revolved around the
4 answers
5,165 views
calculate the number of atoms in the following masses.
a) 54.0g of aluminum b) 69.45 g of lathanum c) 0.697 g of gallium d) 0.000
2 answers
962 views
A 7.0-g bullet is fired into a 1.5-kg ballistic pendulum. The bullet emerges from the block with a speed of 200 m/s, and the
4 answers
2,088 views
Brianna is working on her homework. Her assignment is to come up with four representations for an exponential function of her
5 answers
2,798 views
Mrs. Richmond bought some apples and pears in the ratio 3:5. After she gave away 3/5 of the apples and 40 pears, the ratio of
7 answers
4,913 views
find the length of an arc of a circle of radius 5.6 cm which subtends an angle of 60 degrees at the centre of the circle.(take
4 answers
1,249 views
A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 14 characters long, and that
7 answers
17,119 views
A recent poll conducted by Gallup Inc. asked the following question:
In general, how much trust and confidence to you have in the
5 answers
5,807 views
Find the 10th term in an AP where the first term is 3 and whose 1st, 4th and 13th terms form a GP.
4 answers
2,033 views
A worker was paid $218 for each day he worked and was fined $36 each day he was absent. at the end of 30 days he earned $5524.
4 answers
asked by
john
1,549 views
adwoa and ama shared 6000 at ration 3;2. what is adwoa share
9 answers
1,064 views
who meets with atticus the weekend before tom robinson's trial begins? why?
These are questions that you should be able to answer
2 answers
1,276 views
which details help the reaer understand that the jail house is a symbol of maycomb's resistance to progress?
These are questions
1 answer
785 views
you have deposited 1000 dollars in your savings account with n annual interest rate of 4 percent compounded monthly. how much
1 answer
655 views
Can someone please help me! I have to write an essay and I have to choices one is to write about where did the people of Early
2 answers
551 views
Nothing specific just in general early America Where did the people of Early America find connections. Please answer back as
2 answers
544 views
find the compound ammount $1000 at 6% compounded annually for 8 years
Use A=P*(1+i)^n where P=1000, i=.06 and n=8 P is the
1 answer
486 views
find the effectivee rate correspoding to 3% compounded quarterly
The formula for effective rate I found is (1+ i/n)^n - 1 where i
1 answer
697 views
find the present value of ordinary annuity
payments of 890 each year for 16 years at 8% compounded annually What is the amount
3 answers
951 views
find the fifth term of geometric sequence
a=-6 r=2 This website explains how to do it:
1 answer
497 views
"The reason why firms charge a lower price at higher output levels because they are able to spread their fixed costs over a
1 answer
446 views
I have to write an essay on the Crucible on connections/ disconnections. I have one idea about one of my paragraphs, but I need
2 answers
657 views
a corner lot that was originally square lost 185m^2 area when one of the adjacent streets was widened by 3m and the other was
2 answers
763 views
why is it so hard
It isn't hard. It may be different and different things we deal with take some adjustments. Tell us what your
1 answer
433 views
What type of hybridization corresponds to what type of bond?
numerous kinds. sp3 is tetrahedral, sp2 is trigonal planar, sp is
1 answer
465 views
some solutes have large heats of solution, and care should be taken in preparing solutions of these substances. The heat evolved
3 answers
1,681 views
In a gas mixture of He, Ne, and Ar with a total pressure of 8.40 atm, the mole fraction of Ar is ________ if the partial
5 answers
8,502 views
when the oxide of arsnic is heated it sublimes and becomes a gas at 650oc and a pressure of 690mmHg the 0.927g sample of the
1 answer
438 views
What are parallegrams?
A parallelogram is a 4 sided figure where the opposite sides are parallel. Ok...that still might not have
1 answer
720 views
Proofread Please!!!!
La decisión más grande de mi vida que he tenido que hacer, me fue dada en la Escuela secundaria, estaba en
1 answer
578 views
0.85 m=____cm
1 meter (m) = 100 centimeters (cm) You're going from the larger measurement to the smaller measurement, in a way.
1 answer
419 views
A pendulum consists of a uniform disk with radius r = 10 cm and mass 480 g attached to a uniform rod with length L = 500 mm and
1 answer
991 views
unscrabble
funtierru sertof Thank you for using the Jiskha Homework Help Forum. And if itr is not one of those, try these links:
1 answer
523 views
how do you measure and get 4 gallons of water only having an unmarked 5 gallon bucket and an unmarked 3 gallon bucket and a
3 answers
852 views
a object potential energy is described as 1/2kx^2.
what does k and x represent? thanks. This is the PE in a stretched spring. k
2 answers
602 views
what is beat poerty? and where does it originate from? i cannot find any in the internet.
thanks
1 answer
765 views
can old man and the sea and old man both be considered a tragedy/tragic hero since macbeth is driven by him ambition and
1 answer
549 views
what were the achievements of senwosret lll
His name is usually spelled Senusret. You can read about him at
1 answer
427 views
Find an orthonormal basis for the subspace of R^3 consisting of all vectors(a, b, c) such that a+b+c = 0.
The subspace is
1 answer
769 views
Xan you please tell me how you find the rate of change of Y= the square root of X when Y is increasing at 2 units per second and
1 answer
836 views
The probability is 0.7 that a person shopping at a certain store spend less than $20.00. For groups size of 22, find the mean
1 answer
1,217 views
A company manufacturers batteries of 18 and there is a 3% rate of defects. Find the standard deviation for the number of defects
3 answers
1,201 views
Can someone provide me with some assistance in answering this question..
A company manufacturers batteries in BATCHES of 18 and
2 answers
693 views
If Z is a standard normal variable, find the probability that Z lies between -1.10 and -0.36
Use the table of the area under the
1 answer
1,103 views
In order to discuss the details of the metabolism of a cell, which level of structural organization would it be most helpful to
1 answer
702 views
Would the word "limelight" be considered as an adjective or a noun? it says "He believes that a person can be in the limelight
4 answers
1,654 views
list the actors in the court house of your local comunity.
houston,tx
5 answers
427 views
Express 2,750,389 in scientific notation
I think it is 2.750389 x 10 6
5 answers
700 views
what are some arguments against the idea that we are all just "brains in a vat" and that everything we see is created by
2 answers
658 views
write 11 pages in 2h.
1 answer
385 views
The hound of baskervill - What is the significance of the hound? How does it represent Darwin's theory phernology-is the hound
3 answers
469 views
an someone explain the conflict between the isrealites/palestinians?
3 answers
486 views
The main water line enters a house on the first floor. The line has a gauge pressure of 1.70 105 Pa.
(a) A faucet on the second
4 answers
4,220 views
name 2 fact families that have only 2 equations
2 answers
506 views
A bodybuilder is holding a 32 kg steel barbell above her head. How much force would she have to exert if the barbell were lifted
1 answer
440 views
Which character in A Scarlet Letter displays the most integrity? Why do you feel this way? Back up your answer with evidence
5 answers
1,874 views
Need assistance on this word problem...
Singer I.M. Great publicly promised each of her fans an autographed photo of herself. The
1 answer
352 views
There is a bus with 7 children inside of it
Each child has 7 rucksacks In each rucksack there are 7 big cats Every big cat has 7
3 answers
499 views
A baseball pitcher throws a baseball with an initial velocity of 133 feet per second at an angle of 20° to the hoizontal. The
4 answers
1,163 views
it says write a position paper explaining how british polocies spurred the growth of representative government during the
2 answers
824 views
Hi i am stuck on this question? can someone explain it to me?
Why is the amount of oxygen evolved per unit time(mmol O2/m^2/s)
1 answer
441 views
Use the binomial Theroum to expand the expression and express the results in simplified form
(3X + 2)^3
5 answers
451 views
how can i neutralise acids and alkalis
1 answer
377 views
3 things jane eyre would like to see or wants to see happen
1 answer
368 views
i need 3 statements that are fact, and 3 that are opinion on dental assisting. also articles supporting those facts, and
4 answers
388 views
IS it true that a line never ends?
1 answer
406 views
The difference in meaning between the following pairs of sentences.
He's been cleaning the windows. He's cleaned the windows.
1 answer
470 views
Can someone please explain how to determine the molar mass of the following
nitric acid(HNO3) ammonium nitrate(NH4NO3) zinc
2 answers
532 views
An unknown was prepared with the concentration of 0.000630 M. A Beer's Law plot was prepared using the absorbance values from
3 answers
485 views
find the net force produced by a 40 newton force and a 50 newton force in each of the following cases:
both forces act in the
3 answers
577 views
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds how much force was exerted on
1 answer
408 views
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds
how much force did the puck
1 answer
478 views
how do u put this in scientific notation 3x 10^3 +4.0 x 10^4
6 answers
533 views
2H202--> 2H20 +O2
Given that you started with ½ cup of H2O2, what was the mass of each product in the reaction? (1/2 cup = 118.3
2 answers
1,067 views
True/Falses
1. Period costs are not considered when costing products for inventory. 2. All direct labor costs during a period of
2 answers
684 views
Multiple choice
1. The type of product costing system used by a company is dictated by the : a) plant supervisor b) project
4 answers
1,578 views
Convert 6.25 liters to mililiters and kilometers.
I got 6,250 mililiters by multiplying 1000 by 6.25. I got 0.00625 kl by
1 answer
457 views
i'm so confused with how to do these someone please help
calculate the number of moles in each of the following masses a)64.1 g
4 answers
1,461 views
and we had to round this was the question
1 answer
265 views
and we had to round this was the question was to again
calculate the number of moles in each of the following masses a)64.1 g of
2 answers
548 views
and we had to round this was the question was to again
calculate the number of moles in each of the following masses a)64.1 g of
3 answers
438 views
and we had to round this was the question was to again
calculate the number of moles in each of the following masses a)64.1 g of
1 answer
371 views
theres a response for u on my previous question
1 answer
349 views
what is the mass in grams?
a) 3.011 x 10^23 atoms F b)1.50 x 10^23 atoms Mg c)4.50 x 10^12 atoms Cl d)8.42 x 10^18 atoms Br e) 25
4 answers
941 views
what is the mass in grams?
a) 3.011 x 10^23 atoms F b)1.50 x 10^23 atoms Mg c)4.50 x 10^12 atoms Cl d)8.42 x 10^18 atoms Br e) 25
3 answers
636 views
what is the mass in grams?
a) 3.011 x 10^23 atoms F b)1.50 x 10^23 atoms Mg c)4.50 x 10^12 atoms Cl d)8.42 x 10^18 atoms Br e) 25
4 answers
7,427 views
write the formula for and indicate the charge on each of the following ions: a) sodium ion
b) aluminum ion c) chloride ion d)
3 answers
2,512 views
write formulas for the binary ionic compounds formed between the follwing elements a) sodium and iodine b) calcium and sulfur c)
2 answers
1,091 views
write the formulas and give the names of the compounds formed by the following ions a) Cr^2+ and F^- b) Ni^2+ and O^2 and c)
2 answers
1,322 views
name Fe 2+ according to the stock system
1 answer
424 views
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