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Alex
Questions and answers by
Alex
, page 4
Questions (2,580)
I need a couple of ideas. For the project we are supposed to test out an idea for biotechnology product that is innovative.
1 answer
479 views
What are the main factors for the Bolshevik's victory in Oct 1917?
3 answers
469 views
Suppose that a population of bacteria triples every hour and starts with 700 bacteria.
(a) Find an expression for the number n of
4 answers
2,429 views
If the linear velocity of a club head in the golf swing is 50m/s at impact, what was the angular velocity if the club is .95m
1 answer
368 views
What enzymes can't cross the Blood Brain Barrier that are vital for humans to have in order to not get a disease?
For example, in
1 answer
454 views
What does an authoritarian system thrive on?
I was thinking about something like crisis (economic or social) etc that can help an
2 answers
512 views
What's the opposite of biological control?
For instance, an infant can't control it's bladder. What word should I use?
3 answers
454 views
What is the square root of 2 to the poweer of (1/3)?
In order to do the problem, I need this information. We are not allowed to
3 answers
456 views
A box of mass 12.6 kg is pulled to the right with a horizontal force of 14 N. If the box moves to the right with a constant
4 answers
543 views
What's the purpose of a master mix for PCR reactions or in general?
1 answer
360 views
A 783 kg car travels along US 321. What net force is required to keep the car traveling at a constant speed of 28.8 mph around a
1 answer
429 views
A 71.4 kg satellite orbits the earth at a distance of 7.00E6 m from the center of the earth (a distance of 630 km above the
2 answers
567 views
The forward difference formula can be expressed as :
f'(x0) = (1/h)[f(x0+h)-f(x0)]-(h/2)f''(x0)-(h^2/6)f'''(x0)+O(h^3). Use
1 answer
475 views
How do I solve a this problem under the given conditions?
cos(2[theta]) csc[theta]=-4/3, tan[theta]>0
1 answer
392 views
A car and a motorcycle start from rest at the same time on a straight section of the road. However, the motorcycle starts 29.6 m
4 answers
701 views
A snowball is thrown horizontally with a speed of 23.9 m/s from the top of a campus building. It takes the snowball 1.91 sec to
3 answers
607 views
Is this an accurate definition of T<sub>g</sub>:
Glass transition temperature. The temperature at which a glass forming liquid
1 answer
467 views
In movies like “Speed”, hidden ramps are used to make seemingly impossible jumps across open spaces. Suppose a vehicle, say
1 answer
364 views
How do you determine strain and stress of a spring when given force, length, and change in length?
1 answer
359 views
A softball (350g) is thrown with an initial speed of 27m/s. The moment just before the softball hits the ground, VelocityFx =
2 answers
551 views
How many of potassium nitrate can dissolve in 100g of water at 50C?
2 answers
685 views
For a function f, let
f*(x)=lim (f(x+h)-f(x-h))/h h->0 Determine f*(x) for f(x)=cos(x)
2 answers
519 views
I need step by step help with the chain rule for this problem:
7(x^(7/3)+(11/7)x^(7/5)+13x^(7/7))^(4/3)
1 answer
335 views
how much energy is gain by an electron accelerated through a potential differenc of 30000v?
4 answers
549 views
In general, the frequency of APs in an afferent neuron is related to the amplitude of the receptor potential in the following
3 answers
464 views
There are 6 different shapes in a bag. Each student will draw one shape, trace it, then return it to the bag.
How many outcomes
1 answer
425 views
I can't figure this problem out. I need to solve for x. 5/6x+1/2=2/3
3 answers
331 views
Is the heat from a light bulb radiant or convection?
1 answer
451 views
An electron is released from rest on the axis of a uniform positively charged ring, 0.100 m from the ring's center. If the
2 answers
968 views
i need help with this problem x AND y ARE THE SAME IN BOTH PROBLEM????
7x+8y=25 9x+10Y=35
5 answers
1,154 views
How do you determine if there's a statistically significant difference between two data sets/values? Thanks!
1 answer
421 views
When people sleep, their metabolic rate is about 2.6*10^4 C/(s-kg). How many calories does a 25kg person metabolize while
5 answers
2,304 views
As part of a forensic test, a 5.0g lead bullet is fired into a fence post. the initial speed of the bullet is 250 m/s. when it
3 answers
677 views
What is the timeline of chapters 13 through 18 of The Scarlet Letter? Please i need this by Tomorrow.
2 answers
595 views
What is the effect on income before taxes if the aging category is changed on an accounts receivable by issuing a new invoice to
1 answer
354 views
Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5 mC and mass 75. mg
1 answer
531 views
When you push a 1.80-kg book resting on a tabletop, it takes 2.05 N to start the book sliding. What is the frictional force
3 answers
2,590 views
An eardrum can burst when the pressure exceeds one atmosphere and the pressure inside the ear fails to equalize. Determine the
3 answers
546 views
Will O2 passively diffuse and bind with hemoglobin that is less than 1mm from the surface of a blood sample?
The percent of
1 answer
408 views
Will O2 passively diffuse and bind with hemoglobin that is less than 1mm from the surface of a blood sample?
The percent of
1 answer
436 views
In a rescue, the 80.0 police officer is suspended by two cables 35 degrees and 48 degrees. Find the tension in both cables?
3 answers
1,123 views
what will happen to a red blood cell placed in a solution of 99.3% water and 0.7% salt?
3 answers
771 views
How us the speed of a chemical reaction related to the spontaneity of the reaction?
2 answers
712 views
Write a equation if a line through (0,2) that is perpendicular to y=-4x+6
3 answers
452 views
I have a 1L solution of 0.02M sodium acetate and 0.02M acetic acid. What is the pH after the addition of 0.05 moles of
2 answers
780 views
You raise a bucket of water from the bottom of a deep well. If your power output is 108 W, and the mass of the bucket and the
3 answers
1,414 views
how long does it take to grow different fruits and vegetables? I need a chart! Please!!!
1 answer
386 views
Show that the equation
log y = 1.54 - .008x - .658 log x is equivalent to y = 34.7 (1.0186)^(-x) * x^(-.658)
2 answers
646 views
To cause a commotion that could ruin a plan: rock_ _ _ _ _ _ _
4 answers
291 views
what was Adolf Hitler's goal during the National Socialist movement?
1 answer
373 views
Why were Western democracies willing to give into Hitler's aggressive actions?
1 answer
315 views
Last question i promise.
Describe Hitler's blitzkrieg tactics.
1 answer
428 views
Hitler translated his hatred into a program of genocide. How do ethnic, racial, and religious hatreds weaken society?
is the
2 answers
1,308 views
A series RLC circuit has a resonant frequency of 6.00 kHz. When it is driven at 8.00 kHz, it has an impedance of 1.00 k(ohm)and
1 answer
714 views
write 3 different improper fractions that equal 4 2/3
17 answers
2,242 views
find each quotient, using long division (5x^4+14x^3+9x) / (x^2+3x+1)
1 answer
410 views
In each case, determine whether the situation calls for a discrete or continuous random variables and explain your answer.
4 answers
414 views
The radius of each wheel of a car is 16 inches. At how many revolutions per minute should a spin balancer be set to balance the
4 answers
2,313 views
A pendulum swings through an angle of 20 degrees each second. If the pendulum is 40 inches long, how far does its tip move each
3 answers
1,726 views
To measure the height of a building,two sightings are taken a distance of 50 feet apart. Of the first angle of elevation is 40
5 answers
1,958 views
Explain clearly in detail the difference of the summation of n=1 to infinity of 1/n^2; and the integral of 1/x^2dx with the
2 answers
658 views
A company is increasing production at the rate of 25 units per day. The daily demand function is determined by the fact that the
1 answer
1,048 views
I'm suppose to identify and label the Subject Compliments, Object Compliments, Direct Objects, and Indirect Objects in each of
1 answer
483 views
I'm suppose to identify and label the Subject Compliments, Object Compliments, Direct Objects, and Indirect Objects in each of
1 answer
432 views
I'm suppose to identify and label the Subject Compliments, Object Compliments, Direct Objects, and Indirect Objects in each of
1 answer
464 views
[6 points] You need to make a solution of Ca(NO3)2 for a class demonstration. First, you measure a quantity of the solid
2 answers
565 views
2. [4 points] Serum cholesterol levels were monitored to investigate the effect of physical training. Prior to this training,
1 answer
409 views
[4 points] In a recent poll, 10 local students were asked how many beers they drink in a typical week. The responses, in no
1 answer
351 views
Hey guys I was wondering if you guys know the answer to this:
Which of the following is NOT true of colligative properties?
3 answers
586 views
if lead nitrate was added to sodium nitrate, how could one get the lead ions out of the sodium nitrate?
3 answers
430 views
Ok, how about this one? A solution contains ammonium ions and calcium along with some anions, how would you separate the
1 answer
357 views
Determine the flux through a circular coil (diameter = 8.2 cm) when the magnetic field is 1.5 T and is oriented at 32.6 degrees
1 answer
450 views
Solve 2cosx-sin^x +2 =0 for all real values of x
2 answers
856 views
given the true molar masses of CuSO4 and H2O how could you find the exact formula of the hydraye from your experimental data.
2 answers
1,202 views
given the true molar masses of CuSO4 and H2O how could you find the exact formula of the hydraye from your experimental data.
2 answers
1,207 views
For which table(s) of values in Exercises 39–42 is the relationship
linear? Tell how you decided. Write the equation for each
3 answers
647 views
State the solutions, or estimated solutions, to each quadratic equation in Exercises 23–26 by examining the graph of the
4 answers
729 views
suppose you are biking down a hill at 24 mi/h. What is the angular speed, in radians per second, of your 27-inich-diameter
1 answer
395 views
A pressurised can of whipped cream has an internal pressure of 1.33x105 Pa at 25.0 oC. If it is placed in a freezer at -15.0 oC,
1 answer
380 views
a) A population of 460 animals that increases at an annual rate of 15%. Write an exponential function to model.
b) Write an
1 answer
711 views
Can someone please help me I can't figure this out Find the center and radius of the circle. (x - 4)2 + (y + 6)2 = 16
1 answer
335 views
Could someone please help me with this problem!!?!? Thanks you so much!!!
The reduction potentials for the species involved in an
2 answers
647 views
I need work the answer is 5 but i keep getting 4.5 if anyone can help me on the rest i got a page of work!
2y=20-4x*0
3 answers
294 views
How can computers predict the outcome of an election soon after the polls but before all the votes have been counted?
1 answer
405 views
If the R waves of leads I and II are both 4mV, what is the value of lead III?
a. 8mV b. 1mV c. -4mV d. 0mV e. -8mV
1 answer
488 views
If the R waves of leads I and II are both 4mV, what is the value of lead III?
a. 8mV b. 1mV c. -4mV d. 0mV e. -8mV
1 answer
322 views
describe how the current federal court system originated
1 answer
909 views
How do federal district courts and federal appeals court differ?
1 answer
421 views
what three rulings can result from a case in a federal appeals court?
1 answer
315 views
How does someone become a supreme court justice?
2 answers
708 views
Describe the process by which adding potassium hydroxide to a saturated aluminum hydroxide solution reduces the concentration of
2 answers
725 views
For high quality representation of an analog waveform that varies between 10Hz and 100Hz, a digital data acquisition system will
5 answers
397 views
Is Glucose soluble in HCl, NaOH and NaHCO3 because it's soluble in water?
- I put soluble for all because it dissolves in water.
4 answers
6,308 views
Is sodium benzoate soluble in HCl? I put yes
What about NaOH? It's supposed to be created from a reaction with benzoic acid and
1 answer
1,247 views
In the course of performing and interpreting daily l lavages in a rat, a rat that had previously been exhibiting regular 4 day
1 answer
420 views
The burning of the magnesium becomes uncontrolled (it burn brightly. Oops! How will this procedural error affect the reported
5 answers
1,679 views
what pressure (in atm) is exerted by a column of mercury 1.4O high? The density of mercury is 13.5951 g/cm3.
4 answers
1,523 views
What do the crust and upper mantle form?
1 answer
353 views
A circulating current of warmer material(such as magma)
P.S It is 2 words and they are _ _ _ _ _ _ _ _ _ _ / _ _ _ _ _ _ _
6 answers
1,460 views
A type of Wave
P.S It's _ _ _ _ _ _ _ and it's not tsunami
1 answer
319 views
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