Ask a New Question
Search
Questions and answers by
student
Questions (405)
single celled prokaryotes like the bacteria and archaea are the dominant and most diversified groups of living forms today. does
0 answers
669 views
-32x^5y^4-24x^4y-16x^3y=
_ _ _ _ Factor out: -8x^3y
1 answer
440 views
-32x^5y^4-24x^4y-16x^3y=
_ _ _ _ Factor out: -8x^3y
1 answer
506 views
what is the equivalent logarithmic form of 6^z=244
1 answer
424 views
I have no idea totally lost haven't done any type of math in almost 30 years
f(x)= x^4-x^3-7x^2+x+6 all the real roots are
0 answers
481 views
how do I find the relative maximum and minimum values of x^4-x^3-7x^2+x+6
2 answers
379 views
solve x^4-8x^3+64x-105=0 given that 2-i is one solution.
must be tired cause my steps are not calculating correctly
1 answer
535 views
find the domain of the function
1) f(x)= log2( 49-x^2) 2) f(x)=In [1/x+5]
1 answer
490 views
solve the equation
log2(3x-2) - log2 (x-5)=4
1 answer
1,301 views
solve the equation
log (4x)= log5 + log(x-4)
1 answer
440 views
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be
1 answer
449 views
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be
1 answer
442 views
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be
1 answer
439 views
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be
0 answers
515 views
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be
0 answers
537 views
use the pythagorean theorem to find b when a=14 and c=y
(triangle) b=
1 answer
370 views
the airline cost for x thousand passengers to travel round trip from nyc to atlanta is given by C(x)= radical 0.3x+1
where C(x)
0 answers
647 views
the airline cost for x thousand passengers to travel round trip from nyc to atlanta is given by C(x)= radical 0.3x+1
where C(x)
0 answers
618 views
5 radical 5 and 9 radical 5 ____like radicals.
a. are b. are not
1 answer
360 views
the length of a rectangular photograph is 5in. more than the width. If the area is 50 in^2 what are the dimensions of the
1 answer
492 views
Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−8 atomic percent. Assuming that the
9 answers
1,028 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the
3 answers
514 views
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
1 answer
505 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.5 kg m-3. Under these conditions the
2 answers
526 views
The diffusion coefficient of silver (Ag) in copper (Cu) has the following values:
T (K) D (m2s-1) 923 5.42 x 10-16 1173 1.34 x
4 answers
744 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.5 kg m-3. Under these conditions the
4 answers
1,035 views
(a) Cadmium telluride (CdTe) is a semiconductor witha band gap, Eg, of 1.45 eV. Calculate the value of the absorption edge of
1 answer
513 views
X^2 x+15
----- * ------ = X^2+7 x
1 answer
273 views
X^2 * x+15
X^2+7 x
1 answer
292 views
Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol.
How much potassium nitrate
2 answers
2,673 views
The point P(4, −2)lies on the curve y = 2/(3 − x).
(a) If Q is the point(x, 2/(3 − x)),use your calculator to find the
4 answers
20,570 views
no question - just thank you "drbob", you've answered a few of my questions.
1 answer
462 views
The minister sent to Mexico in 1845 had strict orders to accomplish what as his primary goal?
A. Secure Mexican approval of the
1 answer
1,191 views
A certain first order reaction has a rate constant of 3.75x10^-2 s^-1 at 25.0C. What is the value of k at 70.0C when the
1 answer
764 views
NH4HS<-->NH3+H2S
What is the minimum mass of NH4HS that must be added to the 5.00-L flask when charged with the 0.300g of pure
6 answers
2,655 views
Consider the following reaction:
Find the equilibrium partial pressures of A and B for each of the following different values of
4 answers
1,624 views
outline the role team work or team building can play in the business planning process?
0 answers
400 views
All of the following statements regarding the Monroe Doctrine are correct EXCEPT?
A. Issued by Monroe in response to an onslaught
3 answers
2,889 views
Find the interval (or intervals) on which the given expression is defined:
(x^2-7x+12)^(1/2)
4 answers
795 views
You react chemical A with chemical B to make one product. It takes 100 grams of chemical A to react completely with 20 grams of
3 answers
2,541 views
Calculate the number of moles of each ion in 10.5 mL of 0.205 M cadmium phosphate solution.
1 answer
523 views
What mass of water must be added to 0.5 mol of glucose to make a solution of 25 percent by mass?The molar mass of glucose is 180
1 answer
2,518 views
Find the formula for the compound that contains 72.4% iron and 27.6% oxygen.
2 answers
3,454 views
A 175-N box is placed on an inclined plane that makes a 30.0° angle with the horizontal. Find the component of the weight force
1 answer
505 views
These four religions have some similarities but are very different in their beliefs and their cultural differences to society.
1 answer
727 views
Religion plays a big part in people's daily life. The Christian and Catholic religion beliefs going to conformation, regular
1 answer
672 views
The first right given to every American citizen at birth is the right to freedom of speech and religion. Therefore, anyone would
3 answers
729 views
im doing a paper on anceiant agriculture i have wtiiten the paper but i need an into sentence just a good first sentencee
3 answers
377 views
Please help me solve these problems.
12^2+2 [(13+3)] / 2^2] -4(3)+5[7-6(-4)^2] -5(3)+3[9-6(-3)^2]
1 answer
400 views
how many inches are in cenimeters 25 ceinmeters = ? inchs
2 answers
379 views
a fireman D=50 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 30 degrees
2 answers
1,402 views
A rock is thrown vertically upward with a speed of 14.0 m/s from the roof of a building that is 50.0 m above the ground. Assume
1 answer
7,583 views
why are guys given less of a chance then strate guys in a goverment court.
7 answers
559 views
I believe I have found all the mistakes. What do you think?
Identify Twenty Errors in the Passage Below Review the passage below,
3 answers
739 views
I think I found all the errors. What do you think?
5 answers
446 views
The 20 errors are in the following categories: comma usage (six errors); question marks, apostrophes, and quotation marks (five
8 answers
674 views
i understand that in the EAT thereom the sum of the inside angles equal to the outside angle.. in my homework i have to find the
0 answers
420 views
Find A1 in a geometric series for which Sn=210, r=-2, and n=6?
Can someone lead me in the right direction?
5 answers
2,182 views
Find the sum of the first six terms of the geometric series 81 -27 +9 -...
how do you work it??
2 answers
3,032 views
The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its
2 answers
536 views
The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its
2 answers
496 views
The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its
3 answers
734 views
A cylindrical air duct in an air conditioning system has a length of 3.5 m and a radius of 5.00 m. A fan forces air (ç = 1.8
1 answer
696 views
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2
0 answers
1,140 views
Two thin rectangular sheets (0.15 m 0.50 m) are identical. In the first sheet the axis of rotation lies along the 0.15 m side,
3 answers
673 views
A 1240 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1970 N crate
0 answers
665 views
A 1220 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1990 N crate
2 answers
1,470 views
Evolutionary theories often emphasize that humans have adapted to their physical
environment. One such theory hypothesizes that
0 answers
468 views
Evolutionary theories often emphasize that humans have adapted to their physical
environment. One such theory hypothesizes that
0 answers
943 views
A worker pushed a 34.0-kg block 10.0 m along a level floor at a constant speed with a force directed 39.0° below the
0 answers
448 views
Tarzan, who weighs 780 N, swings from a cliff at the end of a 12.0 m vine that hangs from a high tree limb and initially makes
0 answers
660 views
Calculate the amplitude, period, phase shifts, and 5 points for y=2-sin(2piex/3)
1 answer
1,128 views
Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ
4 answers
625 views
Which of the following is considered a Lewis acid or a Lewis base.
I- H2O BCl3 NH3 OH- H+ CO2 SO2
4 answers
2,212 views
I keep getting these questions wrong, could someone please help.
Thanks so much. Question 1 For the following overall reaction,
3 answers
1,502 views
an asteroid orbits the sun at a constant distance of 4.44e+11 meters, the suns mass is 1.00*10^30kg, what is the orbital speed
2 answers
549 views
A boy carries a sack on one end of a very light stick that is balanced on his shoulder, at an angle of 22.0 degrees up from the
0 answers
506 views
A rotating water pump works by taking water in at one side of a rotating wheel, and expelling it from the other side. If a pump
0 answers
678 views
Why do the metallic elements of a given period (horizontal row) typically have much lower ionization energies than do the
1 answer
1,337 views
I need this sentence to be separated into a gerund phrase "jumping out of airplanes sounds scary to me." Please help
1 answer
518 views
why are the orbitals of the hydrogen atom described as probability maps? Why are the edges of the hydrogen orbitals sometimes
1 answer
1,748 views
Why is the light from an incandescent light bulb white?
1 answer
433 views
In which cases are higher-energy photons released, with Li+ or Cu2+? How do you know?
2 answers
832 views
Nitrogen and hydrogen react to form ammonia. Consider the mixture of N2 and H2 in a closed container.
In this container there are
2 answers
1,042 views
Sheryl correctly answered 85% of the questions on her 200-question biology final.
Fernando scored a 90% on his 180-question
1 answer
931 views
The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many total students are in
3 answers
657 views
Simplify each of the following, if possible. Write your answers in the exponential form ab.
(a) 24 • 25 • 28 (b) 34 + 2 •
1 answer
547 views
Explain whether the set {0, 1, 2} is closed with respect to addition on whole numbers.
1 answer
572 views
soo for physics, we did a lab where we launched a cart on a track on the floor and recorded time, distance, etc. to figure out
1 answer
1,998 views
The length of DNA HELIX occupied by one nucleotide pair is 3.4 angstroms. What is the length in angstroms of this unknown DNA
0 answers
824 views
Two molecules of DNA are the same size, but differ in base composition. One molecule contains 20 % (A + T) while the other
0 answers
443 views
Hello,
Where can I find more information about Aaron the moor in "Titus Andronicus" by Shakespeare? Prompt: As Tamara's star
2 answers
629 views
i have a tritation lab due tomorrow and i am stumped on a couple things.
its a titration lab using sodium hydroxide (NaOH)- 250
13 answers
2,891 views
The arch of a bridge is a semi ellipse, the span is thirty feet and the top of the arch is ten feet above the major axis. the
3 answers
1,071 views
i have to search for a recent ocenaographic event to write a book report on has to be on the internet what is agood website or
1 answer
587 views
i need explanation how they solved this one the answer is provided:
finding the number o fdistinguishable permutations.
3 answers
429 views
i need help in this one for the steps.
find the therm that does not contain x in the expansion of ((8x) + ((1)/(2x))^8
2 answers
402 views
i am lost in the steps i am working with binomial theorem to expand the expression.
Finding the three first terms in the
2 answers
528 views
i want to make sure i am answering this correctly.
1) the primary source of energy for ocean currents and waves is: the sun 2)as
2 answers
1,255 views
what is a nanotube?
1 answer
301 views
Pages
1
2
3
4
5