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Vince
Questions (73)
Was the DNA you extracted from one cell or from many cells?
0 answers
114 views
Maxim has been offered positions by two cellphone companies. The first company pays a salary of 10,000 plus a commission of 1000
1 answer
329 views
We define an infinite-horizon discounted MDP in the following manner. There are three states x,y1,y2 and one action a . The MDP
3 answers
2,418 views
Now assume we do not know which coin is tossed in each experiment, and we decide to use the EM algorithm to estimate θA,θB .
0 answers
639 views
Suppose we have two coins (coin A and coin B ), and we conduct two independent experiments in which a single coin is tossed four
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694 views
Select the formula(s) for E-steps and M-steps. (Choose all that apply).
E-step: update Qti(z(i)) based on x(i) and the previous
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728 views
The PMF of the random variable Y satisfies pY(−1)=1/6 , pY(2)=2/6 , pY(5)=3/6 , and pY(y)=0 for all other values y . The
2 answers
2,207 views
You roll a fair six-sided die (all 6 of the possible results of a die roll are equally likely) 5 times, independently. Let X be
1 answer
2,045 views
Background: a number, e.g. 2 , can be thought of as a trivial random variable that always takes the value 2 . Let x be a number.
1 answer
2,302 views
On an automobile assembly line, every third car is green. Every fourth car is a convertible.
a) How many cars are out of the
4 answers
987 views
I need help. So supposed that you have three diffrent lenghts of linking cubes
as shown below . ( 5 blacks, 3 whites 2, reds)
3 answers
587 views
Find the equation of the circle which is concentric with the circle x^2+y^2+3y-8y+16=0 and tangent to the line 4x+3y-12=0. Show
2 answers
512 views
A 40lb child is sitting at A(2,3) and a 30lb child is at B(12,7) where units are feet. Find the point P between A and B which
1 answer
574 views
The wilkinson family drove 1.374 miles in 9 days.how many miles did they drive on last day
1 answer
521 views
A girl runs 50 miles in 60 minutes. At this rate,how long would it take her to run 15 miles?
2 answers
644 views
Boat builders share an old rule of thumb for sailboats. The maximum speed 𝐾 in
knots is 1.35 times the square root of the
4 answers
863 views
ABC phone company charges $17 per month plus $0.03 per minute of phone calls. XYZ phone company charges $8 per month plus $0.06
2 answers
2,801 views
1) Find the point on the graph of y=x^2 where the cube has slope 5/2
2) Find the point on the graph of y=x^2 where the tangent
2 answers
435 views
please write an equation in standard x^2-y^2-2x+4y-7=0
* standard form *center *vertices *foci *asymptotes Thank-you you
1 answer
492 views
1) A quantity of 85 mL of .900 M HCl is mixed with 85 mL of .900 M KOH in a constant-pressure calorimeter that has a heat
3 answers
2,308 views
How many moles are contained in 1.20 x 1024 molecules CO2?
2 answers
1,772 views
A 39.0 kg box initially at rest is pushed 4.50 m along a rough, horizontal floor with a constant applied horizontal force of 135
1 answer
2,651 views
A bag holds 2 yellow, 1 green, and 2 red marbles. If you were to draw a marble from the bag 150 times, and replace it after each
2 answers
1,257 views
40. If 12.0 gram of O2 is required to inflate a balloon to a certain size at 27 degrees C, what mass of O2 is required to
1 answer
1,679 views
What limits on national powers can be derived from the tenth amendment?
1 answer
409 views
How much 2 M KOH must be added to 0.5 L of 0.2 M glycine at pH 8 to bring its pH exactly to 10?
1 answer
495 views
0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL.
What is
2 answers
2,097 views
Can the expression on your face produce the emotion which you would like to experience? Explain.
------ I believe that expression
1 answer
564 views
Function rule for x=1,2,3,4 & y=7,7,9,11
1 answer
353 views
For small values of h, the function (16+h)^1/4 is best approximately by which of the following?
a. 4+h/32 b. 2+h/32 c. h/32 d.
1 answer
1,729 views
Write the equation of a circle with a center at (2.5, –3.5) and a radius of 1.2.
2 answers
575 views
Write the equation of a circle with a center at (15, –35) and a diameter of 100.
0 answers
652 views
Write the equation of a parabola with a vertex at (-5, 2) and a directrix y = -1.
0 answers
481 views
What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).
0 answers
1,303 views
Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x –
1 answer
834 views
Write the equation of a hyperbola with a center at (-5, -3), vertices at (-5, -5) and (-5, -1) and co-vertices at (-11, -3) and
1 answer
566 views
What is the probability of rolling a 1, 2, 4, 5, or 6 on a six sided dice?
MAKE SURE TO READ THE QUESTION CAREFULLY!
1 answer
462 views
What is the standard deviation of the following data? If necessary, round your answer to two decimal places.
46, 53, 38, 67, 46,
1 answer
1,352 views
A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a
blue marble, replacing it, and
1 answer
752 views
A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a yellow marble, do not
1 answer
884 views
A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick
a yellow marble, do not
1 answer
489 views
(too bad I don't know how to solve it!)
How many different ways can the letters in the word “square” be arranged?
2 answers
521 views
A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick
a yellow marble, do not
1 answer
440 views
What is needed to have Nitrogen and Lithium react?
1 answer
606 views
Carbon-14 Dating.
Only 10% of the carbon-14 in a samll wooden bowl remains. How old is the bowl? Half life of carbon is 5700
2 answers
860 views
I've attempted this problem but not sure if i'm on the right track.
Use the enthalpy diagram provided above and apply Hess’s
0 answers
905 views
A square of area 2 is inscribed in a circle. What is the area of the circle?
1 answer
1,691 views
At Harry's Discount Hardware everything is sold for 20% less than the price marked. If Harry buys tool kits for $80, what price
4 answers
7,497 views
What is blood made of?
0 answers
449 views
The scale of map is 1:20000. Find the area on the map which represents 124km^2
2 answers
2,852 views
The scale of map is 1:20000. Find the area on the map which represents 124km^2
2 answers
605 views
What is a database management system? What are it's advantages over conventional file processing system?
0 answers
1,043 views
Mary's age is 2/3 that of peter's. Two years ago Mary's age was 1/2 of what Peter's age will be in 5 year's time. How old is
1 answer
605 views
Why does a rubbed balloon stick to the wall?
2 answers
671 views
A mother is 21 years older than her new born daughter. How old will the daughter be when her age is 1/4 of her mother's?
2 answers
1,849 views
How would I make z the subject of the formulae:
x=y(z-y)/z
1 answer
896 views
What do you understand by life cycle of software development? Explain briefly the various stages of software development
0 answers
663 views
What do you understand by life cycle of software development? Explain briefly the various stages of software development
1 answer
611 views
What do you understand by life cycle of software development? Explain briefly the various stages of software development
1 answer
607 views
how would i express the following fraction with a single denominator
e-4/5 +1
1 answer
495 views
How do I solve this equation
7x^3+21x^2=0
1 answer
476 views
Q: How is boiling different from sublimation?
1 answer
645 views
Q: How is melting different from evaporation?
1 answer
506 views
How do I solve this equation
3d-81d^2=0
1 answer
457 views
How do I solve this simultaneous equation
3x-2y=5 (1) 2y-5x=9 (2) I managed to find the value of x and that is -7 but I am having
1 answer
684 views
Is it possible to take igcse examinations in America?
1 answer
439 views
Where can i find info on china and japan during 18th to 19th century.
1 answer
752 views
How do I solve this equation 4n^2-25=0
1 answer
442 views
A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling
2 answers
3,650 views
I have to write a paper on the Pseudo-Modern movement and how it relates to movie, music, artwork, an article, and a 21st
0 answers
561 views
Air is being pumped into a spherical balloon so that its volume increases at a rate of 90{cm}^3/s. How fast is the surface area
2 answers
677 views
A rectangle is 15cm x 12cm. If the length is reduced by R cm and its width is increased by R cm. Its area is reduced by 4cm^2.
1 answer
550 views
write the following as a rate in lowest terms
$402 for 18 rolls of film To find the rate for one roll of film, divide $402 by 18.
0 answers
1,184 views