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alice
Questions and answers by visitors named
alice
Questions (307)
For what values of $j$ does the equation $(2x + 7)(x - 4) = -31 + jx$ have exactly one real solution? Express your answer as a
2 answers
144 views
alice builds a model house she uses a scale of 1:20 the height of the real house is 10 meters.
(i) what is the height of the
4 answers
1,732 views
(1) Let a_1, a_2, a_3 be real numbers such that
|a_1 - a_2| + 2 |a_2 - a_3| + 3 |a_3 - a_1| = 1. What is the largest possible
2 answers
59 views
THe sume of 2 positive numbers is 20. Find the two numbers such that
1) the sum of the square is minimum b) the product of one
2 answers
549 views
what are 3 disadvantages of firms merging?
Sometimes when firms merge, the company is simply too large or diverse for the
1 answer
431 views
what are the different names of equipment used for cooking?
Please post the names of the equipment that you know. Then, we'll be
1 answer
498 views
14.what value of n will result in a mean if 31
15.what value of n will result in a median of 23 15.what value of a will result in
2 answers
958 views
The respiratory menbrane lining the air sacs consist of what?
The actual site of gas exchange within the lungs are? the actual
2 answers
576 views
air moves into the lungs bacause?
Pressure difference between the lungs and the atmosphere. THe diaphram movement causes this.
1 answer
1,013 views
Any compound that can stimulate the body to produce antibodies is call what?
You will find the answer at
1 answer
462 views
why does air move into the lungs?
Bob Pursley answered this question for you earlier. See you previous post of the same question
1 answer
525 views
the unit in which the quantity of heat energy is usually expressed is called the ?
3 answers
302 views
the value of this quantity for water is ?
1 answer
284 views
assuming that the calorimeter contains 5.00 * 100 g of water and that the initial temperature is 30.0 degree celcius. what will
3 answers
483 views
what happens when a hot empty coke can is put in a icy cold water ?
what is the reaction?
1 answer
447 views
In the U.S. 42% of the population has type A blood. Consider taking a sample size 4. Let y denote the number of persons in the
1 answer
465 views
research which instruments are needed to measure which feature of the weather
Temperature , Precipitation , Cloud cover , Cloud
3 answers
606 views
simplify 11/12-(1/3+1/4)
5 answers
393 views
a cubic piece of metal measures 5.00 cm on each edge. if the metal is nickel, whose density is 8.90g/cm cubed, what is the mass
6 answers
3,261 views
solve 4x^3-6x+2=0 for all x
4 answers
290 views
I'm supposed to write a paper on the "real" reason behind not running in the house. It's just why you think you shouldn't run in
2 answers
200 views
How do you find the area for an irregular figure using 3.14 for pi?
9 answers
2,227 views
How do you find the area of irregular figures using 3.14 for pi?
1 answer
430 views
What from nature might have given the Egyptians the belief that they would have life after death?
1 answer
328 views
how do you find the function to satisfy
y'-2y=2e^(3t) and where y(0)=-5?
1 answer
287 views
how do you find the solution to
(dy/dx)+ycos(x)=6cos(x) when the initial conditions y(0)=8? all i can get is y(x)=e^sin(x) + 7
1 answer
391 views
how do you find the differential equation for
t(dy/dt)+9y=8t and y(1)=6?
1 answer
377 views
Tank 1 initial contains 70 L (liters) of water
and 450 g of salt, while tank 2 initially contains 20 L of water and 200 g of
3 answers
633 views
What should I write my narrative poem about that will make my class laugh? There has to be 4 stanzas and each have to have 3
2 answers
512 views
how do you find the curvature k(t) of the curve r(t)=(-2sint)i+(-2sint)j+(-4cost)k?
1 answer
379 views
A gun has a muzzle speed of 90 meters per second. What angle of elevation should be used to hit an object 180 meters away?
2 answers
578 views
body of mass 7 kg moves in a (counterclockwise) circular path of radius 4 meters, making one revolution every 13 seconds. You
4 answers
2,566 views
Find the maximum and minimum values of f(x,y)=xy on the ellipse 8x^2+y^2=4?????
2 answers
507 views
how do you find the coordinates of the point (x, y, z) on the plane z = 1 x + 1 y + 2 which is closest to the origin
2 answers
891 views
Find three positive real numbers whose sum is 52 and whose product is a maximum?????
2 answers
972 views
in a parallel RLC circuit you have
L=100mH and i= inductor current i=50e^(-4000t)-10e^(-5000t) mA how do you find R and C??
1 answer
280 views
the zero input response of a series RLC circuit with R=80 ohms is
V(c)=2e^(-2000t)cos(1000t)-4e^(-2000t)sin(1000t) V for t>0 if
1 answer
343 views
what is th area of 10,10,18,4,4,8,8,2 ?
1 answer
242 views
For the transfer function
Tv(s)=[10(s+5)(s+20)]/[(s+1)(s+100)] is this a low-pass, high-pass, bandpass or bandstop function?
1 answer
446 views
a parallel RLC bandpass circuit with C=10nF and Q=10 has a center frequency of 500 krad/s. Find R,L and the two cutoff
1 answer
372 views
is this a metaphor?
Our shadow painted the sand
1 answer
338 views
do you agree that humans are creatures as well as creators of their personal and social world
3 answers
382 views
How can island biogeography be compared to the design of nature reserves? I understandall the things you can do to the nature
2 answers
1,057 views
how do i find the limit of this?
(This symbol:-> is an arrow) lim of x-> 0 sin^2x/x can someone please explain?
2 answers
675 views
can someone please explain this problem? (-> is an arrow)
assume that limit x-> 4 f(x)=0 and limit x-> 4 g(x)=3 1. limit x-> 4
3 answers
422 views
In the year 1910, many people immigrated to the United States-460,935 from northern and Western Europe, 465,356 from eastern and
1 answer
399 views
Kevin makes $5.25 per hour he worked 18.25 hours. What is the best estimate of the amount of money he made?
Do you just divide
3 answers
475 views
Mitosis: Number of chromosomes in cells production
Meiosis: Number of chromosomes in cells production.
1 answer
427 views
name 2 scientest who inherited traits
1 answer
162 views
name two scientest who studied inherited genetics and what they used for research and why
1 answer
150 views
how is Dna copied?
1 answer
308 views
compare and contrast mitosis and cell divison
1 answer
346 views
compare inheritance by multiple alleles and polygenic inheritance
1 answer
495 views
What is an example of genetic engineering helping people ?
1 answer
228 views
If an organism expresses a recessive phenotype can you tell the genotype? Explain, include one example in your response.
1 answer
217 views
given 40.0g of iron, how many grams of iron II oxide are produced.
3 answers
567 views
when s is added to another number, the sum is 26,493.what is the number?
1 answer
176 views
when p is subtracted from a certain number, the difference is 50. Find the number.
2 answers
171 views
add t and m. how much greater than w is the sum?
1 answer
180 views
suzanne earns s dollars per year.Francine earns f dollars per year.How much more money does Francine earn than suzanne?
1 answer
384 views
what is the position of the diaphram when you make it inhale and exhale?
3 answers
246 views
athensm had the first democracy or monument ?
1 answer
268 views
show me the steps to solving this problem?
3k/5+44=12k/25+8
2 answers
473 views
If you throw a ball straight out horizontal to the ground and your friend drops a ball from the same height, will the balls hit
1 answer
1,040 views
hey. show 2sin(pi/14) is a solution to
x^3-x^2-2x+1=0 and hint: let x=2sinu and sin(7u)=1 i can't seem to solve when i sub in the
1 answer
302 views
how do you find the power when they give you random weird information
1 answer
286 views
An object is released into the air at an initial height of 6 feet and an initial velocity of 30 feet per second. The object is
4 answers
1,521 views
how have case studies been used to help develop our understanding of how the brain works?
1 answer
441 views
How and why did England avoid the path of absolutism?
1 answer
837 views
Compare England in the 17th century with other absolutist regimes on the continent of Europe. How did the English situation
1 answer
481 views
i am a decimal with my last digit in the hundredths. rounded to the nearest tenth. I am 6.5. Rounded to the nearest whole
4 answers
822 views
The value of ΔG°f at 25°C for gaseous mercury is 31.85 KJ/mol. What is the vapor pressure of mercury at 25°C? [Hint:
1 answer
888 views
if the product of two numbers is 180 and the LCM of the two numbers is 60 then how do I determine what the GCF is?
2 answers
663 views
what are the 3 most important figures of speech in the poem "Kite is a Victim" by Leonard Cohen? Please explain why tose three
2 answers
657 views
The meter stick in the drawing can rotate about an axis located at the 20.0-cm mark. The axis is perpendicular to the screen. A
4 answers
4,805 views
Area of a painting A rectangular painting with a width of x centimeters has an area of x^2 + 50x square centimeters. Find the
3 answers
477 views
in comparision to men with learning disorders, women?
A.have higher self-esteem b.have better paying jobs c.out grow their
3 answers
337 views
An unknown magnetic field produces a set of lines for a transition from a state with l = 3 to one with l = 2, between which
4 answers
373 views
In the ground state of the H-atom the electron has a total energy of -13.6 eV. What are (a) its kinetic energy, and (b) its
1 answer
425 views
Resistors R1= 10ohms, R2= 40 ohms and R3= 70 ohms are connected in series. The total resistance in ohms of this combination is:
A
4 answers
710 views
1)3x^2-12x-21 solve by completing the square in simplest radical form
2) (1/x+3)-(2/3-x)=(4/x^2-9)find values of x
1 answer
1,032 views
16log4^1/64=x
1 answer
306 views
2(3y-4)^(3/5)-4=50
4 answers
256 views
how are the stone henge and cubi series alike?
1 answer
388 views
A ferry is crossing a river.The ferry is headed due north with a speed of 2.5 m/s relative to the water and the river's velocity
3 answers
644 views
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional
2 answers
1,303 views
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional
3 answers
1,180 views
A block of mass 3.62 kg lies on a frictionless
horizontal surface. The block is connected by a cord passing over a pulley to
2 answers
763 views
Three blocks are in contact with each other
on a frictionless horizontal surface. A 417 N horizontal force is applied to the
1 answer
1,032 views
You are given a 6-month assignment by your employer to work at a remote location in Australia. In order to pack as lightly as
2 answers
719 views
According to the Ministerial Conference on the Protection of Forests in Europe (MCPFEs), sustainable forest development is
1 answer
366 views
What percentage of the Ba2+ in solution is precipitated as BaCO3(s) if equal volumes of 2.4*10^-3 M Na2CO3(s) and 1.1*10^-3M
1 answer
779 views
Could someone explain what each part of this formula represents?
H(t) = 0.058t^2 + 0.41t + 516 + 2.5 sin(2π)(t)
1 answer
374 views
Could someone explain how to solve this math problem?
I've graphed it, but I'm not sure how to solve the rest of the questions.
4 answers
520 views
Could someone explain how to find which months during the year the maximum/minimum points occur for this problem occurs? I think
6 answers
538 views
The amount of a monthly electric bill (B, measured in $) depends
on the amount of electricity used that month (E, measured in
2 answers
510 views
What is the approximate percentile rank of a lightbulb that failed at 9000 hours if the number of lightbulbs is 400? The number
1 answer
417 views
A 4.2 × 10^3
kg car accelerates from rest at the top of a driveway that is sloped at an angle of 18.4◦ with the horizontal. An
2 answers
1,001 views
Mr. Collins is buying trsin tickets for $42 each. What is the total cost of the tickets? Use the distributive property to solve.
1 answer
371 views
What does the concentration of the benzoic acid in the original liquid and the extracting liquid relate to after the extraction
2 answers
501 views
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