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Riana
Questions (93)
Which analogy shows a part-whole relationship?
A. A fin is to a fish as flight is to a bird. B. A fin is to a fish as a nest is
7 answers
3,643 views
Here is the question:Consider a data set of 15 distinct measurements with mean A and median B.
(a) If the highest number were
4 answers
1,169 views
Someone please help me, I do not understand how to solve this problem:
Let x be a random variable representing dividend yield of
1 answer
855 views
The sum of two numbers is 70. When the smaller number is subtracted from the bigger number, the result is 24. Find the numbers.
2 answers
670 views
In the book Dragonwings, after saving Black Dog's life in the alley near the opium den, why does Windrider tell Moon Shadow to
2 answers
568 views
What are character trait for Moon Shadow from Dragonwings but written in an acrosric poem way?
12 answers
1,893 views
what would be the VSEPR shape of pyridine?
1 answer
641 views
what would be the VSEPR shape of pyridine?
2 answers
547 views
Lowering of vapor pressure is directly proportional to:
a) Temperature b) Mole fraction of Solute c) Mole fraction of Solvent d)
3 answers
751 views
Lowering of vapor pressure is directly proportional to:
a) Temperature b) Mole fraction of Solute c) Mole fraction of Solvent d)
2 answers
566 views
The opposite of withdraw is?
a) Shocked b) puzzled C) relieved D) revealed
3 answers
484 views
Lowering of vapor pressure is directly proportional to:
a) Temperature b) Mole fraction of Solute c) Mole fraction of Solvent d)
1 answer
451 views
the population of a town is declining at a rate of 4.1% per year. the current population is 25000. 1)what will the population be
4 answers
1,489 views
Can someone give me an example of a problem where you have to find electric field and magnetic field using an electron gun?
1 answer
358 views
what is the relationship between forces in equilibrium and their components?
1 answer
310 views
Americans spell differently from Canadians. Americans write "neighbor" and "color" while Canadians write "neighbour" and
1 answer
701 views
what is the relationship between forces in equilibrium and their components?
1 answer
288 views
what is the relationship between forces in equilibrium and their components?
1 answer
334 views
what can be the source of error in lab of forces equilibrium,force board lab?
1 answer
516 views
what can be the source of error in lab of forces equilibrium,force board lab?
1 answer
428 views
what is the relationship between forces in equilibrium and their components?
1 answer
349 views
the distance between two successive crests in waves is 1.50m, and the source generates 25 crests and 25 troughs in 5.00sec. what
2 answers
557 views
write a program C++ program and Use a recursive function that finds the n-th term using the following rule: tn=3tn-1+12tn-2 .
ple
4 answers
1,091 views
A force of 2000N is used to push a box up am inclined plane that is 15m long. If the 100 kg box is raised to a height of 8m,how
1 answer
511 views
1kg of fat is equal to 30MJ of energy.the efficiceny of converting fat to energy is 20%. suppose you life a mass of 12kg 2.0m
3 answers
835 views
At a nuclear power plant water at 8°c from a lake is used in a heat exchanger to condense spent steam at a temperature of
4 answers
797 views
At a nuclear power plant water at 8°c from a lake is used in a heat exchanger to condense spent steam at a temperature of
1 answer
515 views
1kg of fat is equal to 30MJ of energy.the efficiceny of converting fat to energy is 20%. suppose you life a mass of 12kg 2.0m
4 answers
455 views
At a nuclear power plant water at 8°c from a lake is used in a heat exchanger to condense spent steam at a temperature of
2 answers
572 views
At a nuclear power plant water at 8°c from a lake is used in a heat exchanger to condense spent steam at a temperature of
1 answer
533 views
How much heat would it take to change 1.0kg of water at 20°C to steam at 110°C.
I can't get the right answer that is
9 answers
1,490 views
Q1.a building has three alternative routes from the ground to the first floor.
i)a flight of stairs at an angle of 45 degree.
3 answers
551 views
how to we convert one currency to another is there any formula? or plz give me an example. i have no idea how do we convert.
1 answer
433 views
A “magic” number is an integer in which the number is equal to the sum of the cubes of its digits. Write a program to
1 answer
449 views
a program that prints all the numbers from 1 to 1000 that are divisible by 7. (in C++)
1 answer
363 views
a program to sort three values (from smallest to largest) entered from the keyboard.
Algorithm: 1. INPUT a,b and c 2. If a
1 answer
520 views
how do we find the interpolation from a graph to determin the number of images which should be observer with a mirror angle of
1 answer
388 views
what is the density of methane gas at 20 degree and 115kpa?
1 answer
440 views
peice of sodium metal reacts with water. 246ml volume of hydrogen gas was collected over water at 25 celsius and at an
3 answers
556 views
25g of NaCl is deissolved in 100g of water. what is the concentration in percentage by mass?
4 answers
2,469 views
how can i sketch a heating curve for benzene (mp=5.5 celius and bp=80.1 celeus?
1 answer
389 views
what is the density of methane gas at 2o degree and 115kpa?
1 answer
381 views
triangle base is (4-x)cm and its height is (2x+3)cm.what will be the maximium area?
5 answers
437 views
triangle base is (4-x)cm and its height is (2x+3)cm.what will be the maximium area?
1 answer
287 views
how to find the points thought which the function goes like if the vertex is 2,5 and it goes through (6,-1) how would i find the
1 answer
348 views
how to find the x intercept of d(x)=9x^2-4x+7
3 answers
341 views
point of symmetry?
2(x-7)(X+3) and vertex?
3 answers
459 views
1/2x^2=x/4+1
how can i solve that with quadratic formula?plz i need the solution fast.
1 answer
326 views
how to determine the acute angle between the line 2x+3y=6 and the y axis?
4 answers
2,589 views
a hockey arena has a total seating capacity of 15690.the first row of seats around the rink has 262 seats. the number of seats
3 answers
3,117 views
(2-√2)/(3+√2)
can you plz tell me how to solve it? plz hurry up
4 answers
427 views
why mass of mg is determined indirectly by measuring its length instead of passing by balance?
1 answer
377 views
5x^2+5x-2
how to find the root?
1 answer
287 views
y=3x^2=5x-1
how to sole it with partial factoring?
1 answer
867 views
how to find the pressure exerted by the hydrogen alone?
and the volume of dry hydrogen at SATP? i have room temperature=23C room
2 answers
734 views
As fair as morn, as fresh as May,
a pretty grace in saying nay, Smil'st thou sweetheart? then sing and say, Ta na na no, But O!
1 answer
952 views
birds hidden in nests from fear of cold
is this sentence correct?
3 answers
362 views
plz can anyone check my poem and mark my correct my mistakes.
Lasts Forever once aparted, never met again never saw the wound
10 answers
489 views
term given by x+2,3x-1,and 4x-1 form an arithmetic sequence. find the value of x.
i didn't get it how to start this question and
4 answers
1,112 views
i have to find the
ratio of naoh:mass of KHP. but i have volume oh NaOH and mass of KHP and i don't know how to find the ratio
6 answers
721 views
why are yeast classified as eukaryotes?
i know they are in kingdom fungi and all the members are eukaryotes but why?
2 answers
664 views
t8=1024 and decrease by 2/3. what will be the sum of the first 7 term.
i don't know what shud i do first to solve it.
1 answer
462 views
how would i find the sum of the 7 term. if i have 1st term = 11 and 7th term = 704.its a geometric series.
i don't know how to
1 answer
1,056 views
first term of the arithmetic sequence is 13. two other terms of the sequence are 37 and 73. common difference is consecutive
5 answers
2,509 views
the 10th term is 34 of arithmetic series and the sum of the 20th term is 710 i.e S20=710.what is the 25th term?
3 answers
800 views
the 10th term is 34 of arithmetic series and the sum of the 20th term is 710.what is the 25th term?
4 answers
1,096 views
bricks are stacked in 20 rows such that each row has a fixed number of bricks more than the row above it. the top row has 5
6 answers
3,811 views
t11=19 and t17=61.then what will be S12?
arithmetic series question
1 answer
385 views
1+2+3+...+100
how to find the sum of it.
3 answers
446 views
48,36,27,81/4...........
general term?
2 answers
956 views
1,1,2.3,5.......
what can be the general term for this?
1 answer
359 views
what can be the source of error in titration?
2 answers
498 views
i) xy=100
ii) 9x^2+y^2=16 Are these both function or nor a function? if so then how?
2 answers
840 views
y=(3/x)-1
How will i find the domain and range?
1 answer
334 views
9(a+b)^2-(a-b)^2
how would you factor that?
3 answers
351 views
Element x is composed of isotopes x-56 mass 56.0 u and x-59 mass 59.0 u. What is the percentage abundance of each of these
4 answers
1,296 views
fire and ice poem by robert frost.
i have to write about how...... This poem appeals to beacause..... can someone tell me what
4 answers
683 views
Only pure substance are homologous,true or false? Can you please explain too?
3 answers
423 views
What is tag name for the smallest particleof covakentlg bonded ccompound?
1 answer
338 views
What might be the major factor for leads ability to absorb x rays. Describe any practical advantages lead has for its use in x
2 answers
526 views
A certain antibioyic reducesthe number of bacteria in your body by 10% each dose
a) if four doses of the antibiotic are taken,
5 answers
1,749 views
What is the allowable concentration of six organic pollutants in drinking water?
1 answer
338 views
What is the allowable concentration of six organic pollutants in drinking water?
4 answers
433 views
What are four origins of pollutants in natural water?
3 answers
542 views
what are four examples of solution for which the concentration must be known?
7 answers
351 views
why do we perform tritation many times ?
3 answers
322 views
how to start writing a poem?
2 answers
872 views
how do i find ratio of volumeHcl/volumeNaoh for my first trail of titration?
10 answers
373 views
A saturated solution of kno3 at 70°c is cooled to 10°c. What mass of a solid of precipitate out of solution.
4 answers
1,845 views
150.0ml of iron(iii)chloride solution is mixed with 180.0ml of the sodium hydroxide solution,1.65g yield of experimental
5 answers
444 views
150.0ml of iron(iii)chloride solution is mixed with 180.0ml of the sodium hydroxide solution,1.65g yield of experimental
1 answer
483 views
if two solutions are prepared for the reaction.4.62g of Iron(iii)chloride in a 250ml columetric and for the sodium
10 answers
446 views
1) what mass of lead(ii) acetae is required to be dissolved in a 500.0ml volumetric so that the acetate is equal to 1.48?
12 answers
419 views