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Katie
Questions and answers by
Katie
, page 5
Questions (1,184)
What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to
4 answers
815 views
The wavelength of visible light varies from 0.40 μm to 0.70 μm as the color of the light changes from violet to red. Calculate
6 answers
839 views
How did the settings of The Great Gastby and Grapes of Wrath affect the characters' version of the American Dream?
1 answer
376 views
How does the valley of ashes give a vision of the American Dream? Is it like that it showed prosperity?
2 answers
470 views
For Grapes of Wrath and the American Dream, how did the setting affect the characters vision of the dream? Is it sort of brutal
1 answer
499 views
A runner travels 100 m in 10.9 s. Assume that it takes him 1.35 s to reach his top speed, which is then maintained for the rest
2 answers
617 views
what was the major difference between Greek and Roman democracy?
A The Romans elected people to run their govt B The Greeks had
2 answers
659 views
Cabinet members are nominated by the President and confirmed by
Secretary of State House of Reps Senate Supreme Court is it
3 answers
498 views
The gauge pressure at the bottom of a vertical tube (open to the atmosphere) filled with mecury is 100kPa. How high is the
2 answers
729 views
The number of computers sold by BCC depends on the dollar amound,x, that they spend on advertising. How much must they spend to
4 answers
1,414 views
In(e^16x)=8
Solve for x.
1 answer
355 views
how many grams of potassium chlorate decomposes to potassium chloride and 638 mL pf o2 at 128°C and 752 torr? 2KClO3(s) 2KCl(s)
1 answer
634 views
PLease help
how many grams of potassium chlorate decomposes to potassium chloride and 638 mL of O2 at 128°C and 752 torr? the
3 answers
1,072 views
intersect x^2+y^2=36-8x^2-8y^2
3 answers
336 views
you have 10 mL of a 1.0 M Ba(OH)2 solution and add it to 2.5 L of water. What is the concentration of hydroxide ionsin the
1 answer
359 views
How many grams of chloride ions are in a 2.5L of a 1.0 M calcium chloride solution?
1 answer
404 views
you have 10 mL of a 1.0 M Ba(OH)2 solution and add it to 2.5 L of water. What is the concentration of hydroxide ionsin the
2 answers
1,142 views
4 FeS(s) + 7 O2(g) ==> 2 Fe2O3(s) + 4 SO2(g)
7.82 moles of FeS are required to produce 3.91 moles of Fe2O3 What is the maximum
2 answers
925 views
What mass of water, in grams, would have to be decomposed to produce 25.1 L of molecular oxygen at STP?
1 answer
356 views
an electron has an uncertainty in its position of 552 pm. what is the uncertainty in its velocity?
1 answer
668 views
The length of a rectangle is 6 inches less than 3 times its width. Find the dimensions of the rectangle if its area is 45 square
2 answers
1,062 views
How many milliliters of a 0.1 Molar NaOH solution is needed to neutralize 1 liter of lemonade containing 25% citric acid?
1 answer
417 views
One year, professional sports players salaries averaged 1.6 million with a standard deviation of .7 million. Suppose a sample of
2 answers
1,028 views
When would instantaneous speed be the same as average speed?
would it be when the speed is constant? when the position changes
1 answer
440 views
When would instantaneous speed be the same as average speed?
would it be when the speed is constant? when the position changes
1 answer
447 views
Police find skid marks 66 m long on the highway showing where the car made an emergency stop. Assuming that the acceleration was
2 answers
1,212 views
A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes
1 answer
390 views
when the shuttle bus come to a sudden stop to avoid hitting a dog, it decelerates uniformly at 4.6 m/s^2 as is slows from 8.2
2 answers
664 views
Why was the ferryman, Vasudeva so important in the book Siddhartha?
1 answer
351 views
A person walking with a speed of 1.44 m/sec releases a ball from a height of h = 1.28 m above the ground. Use the point on the
2 answers
706 views
Find the volume of the solid obtained by revolving the graph of y= 6x sqrt (9-x^2) over [0,9] about the y-axis.
1 answer
411 views
A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2
1 answer
685 views
A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2
1 answer
531 views
20. A study involves measuring the number of days absent from work for 216 employees of a large company during the preceding
3 answers
1,241 views
What contains blood vessels that nourish the growth zone of the hair?
-hair shaft -arrector pili muscle -hair root -hair bulb in
1 answer
667 views
a car starts from rest and accelerates for 7.8s with an acceleration of 2.3 m/s squared. how far does it travel
3 answers
458 views
Can domeone help me with this?
solve 7x + 4 ¡Ý - 31 or 9x + 4 ¡Ý - 21 I need to know how to write the solution {x x> } This
1 answer
392 views
A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the
3 answers
2,645 views
Evaluate
a+b/9= A=51 and B=3 Would I substitute a and B to be 54 so is the answer 6?
7 answers
366 views
Translate to an algebraic expression
The product of 45% and some number the translation is? Would it be .45/x?
2 answers
783 views
multiply
-8/3*(-6/5)= would it be 48/15? I can remember how to multiply fractions help
7 answers
402 views
Simplify
8[56-(-86-32)]= Would thid be 1392 is that what is ment by simplify?
4 answers
466 views
Collect Like Terms
15p+7q-4p-9q I get the answe 11p+2q/ I hope I am doing theis correctly.
5 answers
326 views
-5/6x=-7/8 what is x?
would it be 1/4? I don't know how to do this?
1 answer
297 views
Amy bought a pair of running shoes she paid $66.09 during a 20% off sale, what is the regular price of the shoes?
Would I take
7 answers
563 views
The length of a rectangle is fixed at 23cm What lengths will make the perimeter greater then 86cm?
Then length must be greater
3 answers
356 views
Find the slope X=-4 if it exists.
Don't I need the Y to find a slope?
1 answer
286 views
solve using the addition and multiplacation principles
1+6x<49 would I subtract 1 and divide 48 by 6 to find X? x=8
1 answer
398 views
Solve using the multiplication principle Don't forget to preform a check 11x=-99
Would the answer be -9?
2 answers
520 views
use distributive property to solve the equation 4(w-3)=-12
W=0
3 answers
458 views
functions
f(-1)=5x^2-3x 5(1)^2-3(-1)=28 correct I hope
1 answer
329 views
solve by elimination
5r-6s=18 6r-5s=46 The solution is There are infinitely many solutions there is no solution
3 answers
423 views
what is a good kenning for the ocean
1 answer
343 views
find the coordinate of the center and identify the conic:
5y^2 - 2x^2 - 10y - 12x = 23
1 answer
341 views
Doug has 170 stamps in his collection. His first book of stamps has 30 more stamps in it than his second book how many stamps
2 answers
476 views
why was the importance of adding the passage about Queen Modthryth in Beowulf?
1 answer
461 views
Mr. and Mrs. Smith each bought 10 raffle tickets. Each of their three children bought four tickets. If
4280 tickets were sold in
4 answers
1,659 views
In how many ways can the letters of the word EIGHT be arranged using only four of the letters at a time?
5 answers
1,841 views
if a set of six books is placed randomly on a shelf, what is the probability that they will be arranged in either correct or
4 answers
1,248 views
a box contains 20 slips of papers, numbered 1-20. A slip of paper is drawn from the box and the number is noted. Find the
3 answers
1,742 views
a car traveling westward at 20 m/s turns around and travels eastward at 5 m/s. what is the change in velocity of the car?
1 answer
432 views
A mass of 11 kg is placed on a frictionless incline which is inclined at an angle of 69 degrees above the horizontal. It is held
2 answers
1,043 views
I have a midterm tomorrow and this is the essay question:
“When men’s minds seem narrow to you, tell yourself that the land
1 answer
405 views
A child is flying a kite. If the kite is 125 feet above the child's hand level and the wind is blowing it on a horizontal course
2 answers
907 views
lim x-->0
x^2+3x/x^2-3x x not =0 1 x=0
1 answer
326 views
Lisa can shovel her drive way in 35 minutes. Tom can shovel the same drive way in 40 minutes. How long will it take them to do
1 answer
349 views
Find the LCM of 3(t-2)and 6(t-2)
is it 18(t-2)
2 answers
903 views
multiply and simplify
3a^8/4t^2*16t^4/9a I have the answwer as 4a^7t^2/3t^2
2 answers
557 views
multiply and simplify
3a^8/4t^2*16t^4/9a I have the answwer as 4a^7t^2/3t^2
3 answers
318 views
simplify remove factors of 1
3v-9/3-v
1 answer
290 views
find all numbers for which the rational expression is undefinded
8/8z+7 I think the expression is undefined for all real numbers
6 answers
1,233 views
Find the LCM
t^3+8t^2+16,t^2-8t
3 answers
422 views
simplify by removing factor of 1
7z-49/7z I have the answer as -7
1 answer
362 views
Divide and simplify
x^2-16/x divide by x+4/x+1 I get (x-4)(x+1)/X is this correct
1 answer
345 views
Solve the equation
q+7/4+q-3/3=5/2 I think there is no solution
1 answer
395 views
subtract simplify by removing factor of 1 if possible
3bc/b^2-c^2-b-c/b+C
1 answer
423 views
i need help with my math for college, im currently a little behind, ive had 2 tutors but the tutors that ive had don't really
1 answer
444 views
If 58g of NaOH are dissolved in water to make a final volume of exactly 400mL, what is the molar concentration of NaOH? (The FM
4 answers
635 views
a pile of bricks has 85 bricks in the bottom row, 79 bricks in the second row, 73 in the third row, and so on until there is
5 answers
4,708 views
given the arithmetic sequence 71,65,59 ... if a(n) is -43 what is the value of n
3 answers
361 views
An Alaskan rescue plane traveling 36 m/s
drops a package of emergency rations from a height of 137 m to a stranded party of
3 answers
1,590 views
A wire is frictionless between points A and B and rough between B and C. A is 5m above the ground, B is zero, and C is 2m above
1 answer
1,029 views
find all possible values of the common ratio of the geometric sequence a, b, 6, ... if a+b=1
1 answer
383 views
Find the value of A + B if the A is the first term and B is the common difference of the sequence whose 4th term is 3 and 20th
3 answers
450 views
place the following in order (1-11):
Myosin heads bind to active sites on actin molecules ATP is hydrolyzed Myosin heads return
1 answer
455 views
In the body, lever systems involve the interaction of __1__, which provide the force, and __2__, which provide the lever arms.
6 answers
4,807 views
the brachialis is a short stout muscle inserting cloes to the fulcrum of the elbow joint' the brachioradialis is a slender
3 answers
812 views
Complete the indefinite integral: ∫(x^2+1)^2 dx
1 answer
323 views
if f(x)=(x-3)^4(2x+1)^3 find the value(s) of x which solve f'(x)=0
3 answers
273 views
A great white shark with a mass of 3000 kg swimming at 3.00 m/s swallows a 250 kg fish at rest. What is the speed of the great
3 answers
561 views
if f(x)+(x-3)^4(2x-1)^3, find the value(s) of x which solve f'(x)=0
1 answer
283 views
Consider the function whose second derivative is f''(x)=7x+6sin(x).
If f(0)=2 and f'(0)=3 , find f(x) .
1 answer
471 views
Let f''(x)=5x+5 with f'(2)=1 and f(-2)=2.
Find f'(x) and f(3)?
1 answer
290 views
Pam has a mass of 44.0 kg and she is at rest on smooth, level, frictionless ice. Pam straps on a rocket pack. The rocket
1 answer
478 views
Calculate the volume of natural gas (methane) required to bring 2.6 L of water to a boil. Assume the initial temperature of the
2 answers
736 views
A 2.3 g sample of C5H10O is burned completely in excess oxygen to yield CO2(g) and H2O(l) at 25 C, releasing 83.42 kJ of energy.
2 answers
510 views
Suppose 33.5 g of ClF3(g) and 29.1 g of Li(s) are mixed and allowed to react at atmospheric pressure and 25 C until one of the
1 answer
426 views
I need help on this question, I know the answer (or, at least I think I know it), but I can't think of the rest.
Bobby claims
3 answers
286 views
Levy's purpose in the film Crimes and Misdemeanors
1 answer
324 views
A shipment of portable radios contains 14 good radios and 3 defective ones. If two are randomly selected (without replacement)
4 answers
1,064 views
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