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Questions (440)
9 of the 30 children in a class had brown eyes what fraction of the children have brown eyes
4 answers
1,443 views
a place where goods are manufactured is called a what?
10 answers
asked by
mark
3,299 views
if f'(x)=2f(x) and f(2)=1, then f(x)= ?
4 answers
1,047 views
41. Ethyne, C2H2, used in welding react with oxygen as shown below.
4 answers
2,532 views
solve for h
The formula for finding the area of a trapezoid is A = 1/2 (b1 + b 2)h where A represents the area of the trapezoid,
7 answers
12,885 views
a cartoonist uses the function below to calculate the net profit he earns from sellings his drawings.In the function, d
4 answers
1,564 views
a carry on suitcase is 9.5 inches long, 16 inches wide, and 22.5 inches high.
1 answer
23 views
what is the factor of x^4-x^2+16 and x^4-7x^2y^2+9y^4
Replace x^2 with b. This would make x^2 turn into b and x^4 turn into b^2.
1 answer
376 views
what is 45 times 20
900 900 Do you have a calculator? Do you know how to do multiplication by hand? Tell us what you don't
1 answer
321 views
only cube that is one less than a square. answer is from 1-31
actually, wouldn't any fraction's cube be less than its square?
1 answer
385 views
the radius of a circle when the numeric values of the circumference and the area are equal
Start with what you know. If you know
1 answer
1,166 views
what is n! ?
It stands for n factorial. For example, if n = 3, then 3! is 1 x 2 x 3 = ??
1 answer
333 views
What has a physical and chemical change at the same time, apart from a candle
burning wood.
1 answer
349 views
Should United States government policy favor certain kinds of immigrants?
o Should [citizenship] preference be given to the
1 answer
703 views
Imagine yourself as a current member of that group, and consider the question, “Would I want to immigrate to the United
1 answer
430 views
research to determine if the group colonized or if it immigrated to the United States. Did the group face prejudice,
segregation,
3 answers
542 views
Having a hard time understanding "representative particles". ie. which are atoms, compounds etc.
For example, what is the
4 answers
801 views
(2w-1)^2=4(w-3)^2
Expand both sides of the equation, then simplify: 4w^1 - 4w + 1 = 4w^2 - 24w + 36 ...... ..... w = 7/4
1 answer
338 views
In an experiment, a pair of dice is rolled and the total number of points observed.
(a) List the elements of the sample space (b)
1 answer
1,281 views
The base of a solid is a circle of
radius = 4 Find the exact volume of this solid if the cross sections perpendicular to a given
3 answers
1,116 views
The base of a solid is a circle of
radius = 4 Find the exact volume of this solid if the cross sections perpendicular to a given
2 answers
1,055 views
The oldest wonder was built around 2550 B.C. what is it?
4 answers
346 views
Hi how would i go about solving this. It's fraction + fracion over fraction+fraction
-4/5+3/5 __________ 1/3+1/5
3 answers
629 views
why were their 3 presidential candidates in the election of 1812.. i think that is the year. Whenever roosevelt was running with
2 answers
483 views
how many moles of x in 33.3g of substance?
1 answer
265 views
How do I tell how many electrons are in an element?
6 answers
2,466 views
how does cellulose adapt to its function!?
i think it has something to do with there being a strong cell wall. however im am
1 answer
316 views
A solid cylinder (radius = 0.150 m, height = 0.120 m) has a mass of 7.00 kg. This cylinder is floating in water. Then oil ( =
3 answers
1,759 views
x = 2.077(0.481x)
x = 0.999x how would i solve for x?
4 answers
340 views
An aqueous solution of ethanol is 3.05 M in ethanol, CH3CH2OH. Calculate the mole fraction of ethanol if the density of the
3 answers
606 views
is a formate ion (HCOO-) an acid or a base?
how would you know?
2 answers
1,133 views
ahhh im confused!!
Calculate the pH of a solution formed by mixing 372 mL of a solution containing 4.4 x 10-6 M NaOH with 286 mL
2 answers
545 views
thanks for the last help, i got the right answer!!
i got this wrong... (answer is supposed to be 0.165 but i put 0.0652) A sample
2 answers
537 views
Rank the following compounds in order of increasing acid strength (1 = weakest, 4 = strongest)
HClO HClO3 HClO2 HClO4
4 answers
1,873 views
is (x)/(x^2-9) an even or an odd function?
1 answer
357 views
a fault is observed in a road cut, but there is no obvious rock units to correlate on either side of the fault to determine
1 answer
465 views
Damien sets up a bucket to catch raindrops. The bucket can hold only 1 gallon. If each raindrop is made up of about 1/90 fluid
4 answers
512 views
Sneakers were on sale for 25% off their original price. Lola bought a pair of sneakers that had an original price of $43. She
4 answers
900 views
The old lion cage at the zoo was a square, with sides x meters long. For the part of the zoo's 50 birthday celecration, the zoo
3 answers
559 views
When a figure is drawn in quadrant 2, and you reflect it over the x axis, do you reflect in quadrant 1 or four?
3 answers
654 views
Simplify the expression 6x x 2x^3 x 3x^2y^2/3x^3 x x^4y.
I'm confused. The only thing I did was simplify 3x^2y^2/3x^3 to x^1y^2.
1 answer
423 views
Consider the following binomials.
A=(x^2+5x) B=(6x+30) Part 1: Factor each binomial by finding the GCF. Then, add the two
2 answers
517 views
When a figure is drawn in quadrant 2, and you reflect it over the x axis, do you reflect in quadrant 1 or four?
I think you
2 answers
616 views
Consider the following binomials.
A=(x^2+5x) B=(6x+30) Part 1: Factor each binomial by finding the GCF. Then, add the two
3 answers
795 views
Consider the following binomials.
A=(x^2+5x) B=(6x+30) Part 1: Factor each binomial by finding the GCF. Then, add the two
2 answers
536 views
ei spectant pueros in illos ludo
1 answer
273 views
hi i was wondering what would be the domain and range restrictions that to the function f(x)=(-1/3)x^2+8, and how to find them,
1 answer
483 views
Hi i need help on solving this question.
The population, P(t) of a city is modelled by the function P(t)=14t^2 + 650t + 32000
7 answers
1,199 views
Factorise completely:
1)3g-3t+2mg-2mt 2)3x squared + 2x-8 3)3x squared-27
4 answers
1,041 views
How Do You Create A Table That Lays Out A Day-by-day Plan To Use As A Job Aid For Employment Search, Spanning 3 Weeks?
3 answers
639 views
consider the interrelatedness of everything in the cosmos as it is expressed in many indigenous religions. How do you think the
3 answers
503 views
health concerns fron 1990 to 2010
for 9th grade heath class homework
1 answer
467 views
A particle traces the path vector r = (t^3, t+3, t^2 -4t) where t represents time; it flies off on a tangent when t=1 and then
2 answers
525 views
the path of a particle in the xy-plane is vector r = (cos2t, sint) for t for all [-pi/2, pi] where t represents time. Sketch the
2 answers
529 views
the path of a particle in the xy-plane is vector r = (cos2t, sint) for t for all [-pi/2, pi] where t represents time. Sketch the
3 answers
595 views
Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta).
Sta
2 answers
574 views
Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta).
Sta
2 answers
556 views
Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta).
Sta
2 answers
591 views
i need to draw a labelled diagram and explain why depressions bring cloud and rain.
do you know any good sites that would help me
2 answers
545 views
Let C be the curve which is the intersection of the half-cone S1 = {(x,y,z)|z=sqrt(x^2 + y^2} and the paraboloid S2 =
1 answer
411 views
Let Z = f(u,v) where u=xy^3 + e^3 and v = (x^2)y.
Obtain expressions for Zx and Zy in terms of fu and fv. I don't understand the
1 answer
416 views
Let C be the curve which is the intersection of the half-cone S1 = {(x,y,z)|z=sqrt(x^2 + y^2} and the paraboloid S2 =
1 answer
396 views
YOu are creating a transverse wave in a rope by shaking your hand from side to side. Without changing the distance that your
1 answer
422 views
find the derivative of the function
g(x) = (1 + 3x)^6(5 + x - x2)^8
1 answer
336 views
In triangle ABC, angle C is congruent to angle A, line BC=2x-5, line AB=x+5 and line AC=x+10. Find x.
The problem didn't have a
2 answers
543 views
In triangle ABC, line AB is congruent to line BC. If m angle A is 45, find m angle B.
4 answers
604 views
at a given instant the legs of a right triangle are 5cm and 12 cm long. if the short leg is increasing at the rate of 1cm/sec
3 answers
2,677 views
find dy/dx of sqrt(x+y)+sqrt(xy)=6
2 answers
734 views
was the US trying to intimidate the uSSR by displaying the power of the atom bomb? why?
are there any supporting documents?
5 answers
428 views
A scaffold of mass 50 kg and length 7.0 m is supported in a horizontal position by a vertical cable at each end. A window washer
2 answers
581 views
When seven times a number is added to the square of the number the result is 18. Find the number.
4 answers
609 views
Simplify: i^25
Sqrt-900 cuberoot-125x^6
2 answers
907 views
A car travels from one town to another at a speed of 32 mph. If it had gone 4 mph faster, it could have made the trip in 1/2
3 answers
443 views
I need to know about confidentiality of a person living with H.I.V.I would like to know if u know a person that is living with
1 answer
402 views
Solve the problem. Helen Weller invested $15,000 in an account that pays 12% simple interest. How much additional money must be
2 answers
1,271 views
Marty leaves the airport in his private plane and flies due east at 186 mph. Two hours later, a jet leaves the same airport and
2 answers
704 views
Karin biked at 13 mph for a time but got a flat tire. She then walked at 5 mph. She traveled a total of 93 miles. Had she biked
1 answer
441 views
Solve the problem. Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. How many ounces of a 20% alloy must be
2 answers
560 views
Solve the problem. Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 11%. His total
2 answers
550 views
Solve the problem. Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 11%. His total
2 answers
546 views
i need to unscramble these french words:
chupket and mèrce. they are in the food catagory
3 answers
447 views
how much of 12.5% of skylite red pigment needs to be mixed with 20% macintosh red pigment to get a 17% red pigment?
1 answer
362 views
I know that (n+1)! = n!(n+1) but how would i solve the factorial: (2n+3)! thank you.
3 answers
267 views
Determine whether the graphs of lines with the given Equations are Parallel,
Perpendicular or neither. Eq#1 2X + 3Y = 4 and Eq#2
2 answers
631 views
find the area of the region inside the circle r = 3sinè and outside the cardioid r = 1 + sinè
1 answer
384 views
find the area of the region inside the circle r = 3sin(teta) and outside the cardioid r = 1 + sin(teta)
2 answers
758 views
Calculate A, B in the following equation: 1000 A B
Ó ai = Ó ai - Ó ai I=60 i=2 i=2
1 answer
288 views
calculate A, B in this equation:
1000 A B sigma ai =( sigma ai) - (sigma ai) i=60 i=60 i=2
1 answer
332 views
f(x) = {
2 if x ! [0, 1) −1 if x = 1 3 if x ! (1, 2] −5 if x ! (2, 3) 20 if x = 3 } Prove that the function is Riemann
1 answer
435 views
aztec enterprises depends heavily on advertising to sell its products. management at aztec is allowed to spend $2million monthly
4 answers
1,504 views
Price 1 is 50, price 2 is 38.78.
Quantity 1 is 100, quantity 2 is 169. solve the price elasticity of demand. what if our goal is
1 answer
391 views
could someone help me create a source code that requires you to enter 2 numbers then gets the sum, difference, product and
4 answers
438 views
Identify one way outside of schoo in which you have seen #'s ordered.
2 answers
200 views
what numbers factor
25x^2 - 10x + 126
1 answer
376 views
write addition vertically.decide which new groups you will make.then add to see if you are correct.
256+1273_________ a new
5 answers
502 views
write each addition vertically.decide which new groups you will make.then,add to see if you were correct.
256+1273___________ a
4 answers
456 views
the speed of train A is 8mph slower than the speed of train B. Train A travels 220 in the same time it takes train B to travel
2 answers
757 views
there are 42 question on lindas test. sum of the questions are 2 point and sum were 3 points. she got a perfect score. how many
1 answer
446 views
how did cultural diffusion occur between Europe and Asia?
6 answers
626 views
my book does not talk about that
can you help me with some websites that might help me
3 answers
303 views
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