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Bella
Questions (607)
Liquid Nitrogen boils at -196 degrees Celsius . What is the temperture on the Kelvin scale ?
4 answers
1,204 views
Eighty calories must be added to one gram of I've at zero degrees Celsius to melt it. Whst is the approximate mechanical
0 answers
440 views
Using the knowledge of public art gained during this lesson, critique your peers' artwork. Give three examples that will allow
1 answer
470 views
A window washer pushes his scrub brush →−
up a vertical window at constant speed by applying a force F as shown in Fig.
6 answers
7,042 views
i do not have a history book, and i have a worksheet that requires one, my school does not handout textbook, they only have
2 answers
601 views
how do you solve a question like this:
(0,1,3,4) (-3,1,9,13
2 answers
339 views
Find the derivative w/ respect to x:
g(x) = ln(sec(x))
0 answers
463 views
Find derivative w/ respect to x:
y=x^5/(1-x)�ã(x^2+2) (hint: there is an easy way and a hard way!)
0 answers
445 views
Integrate: x/(9+x^4)dx
1 answer
381 views
why does water and hydrogen peroxide have different chemical and physical properties
3 answers
1,595 views
why does water and hydrogen peroxide have different chemical and physical properties
0 answers
363 views
why does water and hydrogen peroxide have different chemical and physical properties
0 answers
645 views
Use factoring and the zero-product property to solve the following problems.
1.9r^2-30r+21=-4
0 answers
509 views
Devise a test to distinguish between Cu2+ and Co2+.
1 answer
912 views
Devise a test to distinguish between Cu2+ and Co2+.
1 answer
865 views
A solution is prepared by dissolving 50.0 g of pure HC2H3O2 and 20.0 g of NaC2H3O2 in 975 mL of solution (the final volume).
what
3 answers
1,656 views
2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.
2 answers
3,835 views
use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers.
f(x)=x
6 answers
983 views
form a polynomialf(x) with real coefficients, having the given degree and zeros
degree 5; zeros -5;-i; -5+i
1 answer
467 views
find the complex zeros of the polynomial function. write f in factored form. use complex zeros to write f in factored form
f(x)=
1 answer
651 views
analyze the graph of the following function.
r(x)= x^2+x-6 -------- x^2-x-2
2 answers
589 views
Am i right? The question is how Paul Cezanne contributed to art. Is it, because he made his own style with how he used natural
1 answer
626 views
What does this mean? it says write what his contributions was to the art world, and if and why opinions regarding this artist's
4 answers
510 views
Can any one help me with the class foundations of curriculum?
1 answer
748 views
Instead of toilet training her son at 18 months of age as her mother recommends, Melissa is waiting until her son is emotionally
5 answers
1,883 views
What is the critique method?
2 answers
339 views
what were the 5 influences that had an impact on the art of the Italian Renaissance
1 answer
573 views
I have to describe how cubism is considered emotional approach, but i don't know what an emotional approach is. Help?
3 answers
455 views
What does this question mean exactly? It says.. review what you learned about Stonehenge and the cave paintings that were found
4 answers
536 views
I am suppose to look at the sculpture Madonna and Child within an Arch by Donatello. I am suppose to say what elements of art
3 answers
655 views
The question is compare and contrast the architectural details of the Early Christian basilica with those of the Gothic
1 answer
597 views
In my book it says that, The Navajo were using European cloth and dyes to create weavings that matched the quality of work
1 answer
415 views
Describe features found in the early buildings of the International Style of architecture. Who was responsible for its start and
1 answer
480 views
What are the similarities and differences between scroll paintings in China and Japan?
0 answers
568 views
Describe features found in the early buildings of the International Style of architecture. Who was responsible for its start and
0 answers
422 views
What are the similarities and differences between scroll paintings in China and Japan?
0 answers
490 views
For this question it asks, what types of material changes were made in building Greek temples and what effect this had on the
5 answers
1,205 views
What are the advantages and disadvantages of post and lintel construction and where can it be seen in architecture today
7 answers
2,259 views
The question is Explain two methods of building construction.
I think the answer is post and lintel, and arch and vault. Am i
1 answer
461 views
How many atoms are there in a 4.5 g sample of water?
1 answer
363 views
A sample of Sn(CO3)2 has 5.00 x 10^23
O atoms. How much does the sample weigh?
1 answer
411 views
In writing. How would you explain:describe the interval you would use for a bar graph if the data ranges from 12. To 39 units
1 answer
457 views
I am a little confused on how to research the following:
• Select 1 racial group from the list below: o African American o
1 answer
1,365 views
a *blank* is a tool that measure speed in an vehicle.
1 answer
853 views
True or false:
Everything that moves has velocity?
1 answer
351 views
What two things do you need to know to find an objects velocity?
1 answer
363 views
True or false:
You can see friction?
1 answer
377 views
List three thing that make friction?
1 answer
355 views
1 fourths of 32 = 1 over 2 of 16?
True or false? and explain.
1 answer
365 views
2 thirds of 60 is greater than 1 thirds of 120? True or false and explain your reasoning. :)
Thank you, Bella Yang
2 answers
584 views
How many grams of nickel (II) chloride must be added to 1.50 L of a 0.500 M sodium sulfide solution to precipitate out all of
1 answer
395 views
Calculate the mass of calcium phosphate that forms when 5.50 x 10 -2 mol of solid calcium chlorate is dissolved in 600.0 mL of
1 answer
460 views
Magnesium nitrate reacts with lithium sulfate in a double replacement reaction. You have 3.45 g of lithium sulfate and 275 mL of
3 answers
2,787 views
When aqueous solutions of sodium sulfate and lead (II) nitrate are mixed lead sulfate precipitates out of soultion. Calculate
4 answers
10,133 views
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge H = 231 m below. If the plane is traveling
0 answers
673 views
suppose you used the rule (3x+1,3y-4) to transform the original figure into a new figure. Would the new figure be similar to the
1 answer
624 views
can you simplify -11 over 2?
4 answers
299 views
how do you find the coordinates of the midpoint of a segment? (it gives you the endpoints)
PLEASE HELP!!!! THANK YOU!!!!!
1 answer
473 views
how do i find the coordinates of the midpoint of a segment having given the endpoint?
K(-9,3),H(5,7)
3 answers
418 views
how do i find the coordinates of the midpoint of a segment having given the endpoint?
K(-9,3),H(5,7)
2 answers
460 views
how do i find the coordinates of the midpoint of a segment having given the endpoint?
K(-9,3),H(5,7)
1 answer
430 views
how do i find the coordinates of the midpoint of a segment having given the endpoint?
K(-9,3),H(5,7)
1 answer
407 views
find the area of the region under y=6 ln(3 x) and above y=8 for 4<x<7
3 answers
580 views
n our text book the following equation is given:
P=(pm - p)g * R where P is the pressure drop R is the manometer reading pm is
0 answers
576 views
I have a project over hydroelectric energy. My partner and I have looked through books and the Internet to find out what other
0 answers
860 views
What is one important distinction you could not overlook making when critically evaluating the information provided in these
0 answers
540 views
A bank loaned out $53,000, part of it at a rate of 12% per year and the rest at a rate of 5% per year. If the interest received
1 answer
1,607 views
The relationship between Celsius(C)and Fahrenheit (F) degrees of measuring temperature is linear. Find an equation relating the
2 answers
3,056 views
What does stretching do internally for your muscles?
0 answers
424 views
A fire helicopter carries a 555 kg empty water bucket at the end of a cable 20.9 m long. As the aircraft flies back from a fire
1 answer
707 views
A fire helicopter carries a 555 kg empty water bucket at the end of a cable 20.9 m long. As the aircraft flies back from a fire
0 answers
689 views
The gold foil Rutherford used in his scattering experiment had a thickness of approximately 4×10^−3 mm. If a single gold atom
4 answers
5,059 views
When fighting a fire the velocity V of water being pumped into the air is modeled by the function v=�ã2hg, where h
4 answers
726 views
The velocity v of a roller coaster in feet per second at the bottom of a hill is Where h is the height of the hill in feet.
Simpl
2 answers
1,506 views
An athlete runs 12 laps on a 400m running track every day for 2 weeks. How many kilometers does she run in total?
2 answers
563 views
I am trying to simplify these ratios:
$2 : 50c 1.2m : 80cm
1 answer
383 views
The sum of the two digit number is 7. The ten digit is one less than 3 times the one digit. Find the number.
1 answer
392 views
The sum of the digit of a two digit number is 13. If the digits are reversed, Then the new number is 9 more then the original
1 answer
408 views
Candy worth $2.45 per pound is mixed with candy worth $2.30 per pound.How much of each kind of candy must be used to have 30
1 answer
1,718 views
Solve. 3x - y=4
2x - 3y= - 9
1 answer
354 views
Solve.
y=2x - 7 3x - 4y=8
1 answer
781 views
Arrange the terms of -3x+4x^5 - 2x^3 so that the powers of x are in ascending order.
1 answer
501 views
Evaluate. Express each result in scientific and standard notation.
(4 x 10^2)(15 x 10^-6)
1 answer
700 views
Evaluate. (15x)^3 - y if x=0.2 and y=1.3
1 answer
672 views
ZY=7XY then ZX=8XY
2 answers
610 views
At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a
5 answers
914 views
The value given below is discrete. use the continuity correction and describe the region of the normal distribution that
0 answers
1,136 views
What does the manor system mean?
1 answer
485 views
what does the "lac" repressor bind to?
lac is in italic
1 answer
459 views
I can never do word problems...please help!!!!
Larry is 8 yrs older than his sister.In 3 yrs, hr will be twice as old as she will
2 answers
922 views
what two scientists established th structure of DNA?
1 answer
510 views
where in the cell are the chromosomes located?
1 answer
420 views
where in the cell are the chromosomes located?
1 answer
363 views
idk how 2 do it
the teacher told us how but didn't show us plz help (the 2 is an exponent) 3b^2+b-10=0
2 answers
436 views
on january 1, 1996 a company paid for auto insurance. the insurance term began on january 1, 1995 and concluded on december 31,
1 answer
408 views
Your research team suspects that lactose intolerance is a recessive trait. Which of the following observations would contradict
1 answer
808 views
I need some help for a mock trial in class.
I am supposed to write a direct examination for a man by the name of Farley on the
0 answers
591 views
A wave has angular frequency 34.3 rad/s and wavelength 2.37 m. What is its wave number?
1 answer
661 views
A jet airplane has an intensity of 92.4 W/ m2 when heard at a distance of 21.2 m. What is the maximum sound intensity heard by a
0 answers
418 views
A jet airplane has an intensity of 92.4 W/ m2 when heard at a distance of 21.2 m. What is the maximum sound intensity heard by a
1 answer
409 views
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