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Questions Asked on November 14, 2020

Charges of +2.0, +3.0 and -8.0µC are placed at the vertices of an equilateral triangle of a side 10 cm. Calculate the magnitude
1. 2 answers
2. asked by VHCP
3. 3,813 views
If e^f(x) = 1 + x^2, then f'(x) =
1. 2 answers
2. asked by larry
3. 3,727 views
Describe preparation of 5 liters of a 0.3 M acetate buffer, pH 4.47, starting from a 2 M solution of acetic acid and a 2.5 M
1. 2 answers
2. asked by YBB
3. 2,576 views
Read the informational text on the Olympic games. Then answer the question that follows.What do Athens, Atlanta, and Tokyo have
1. 9 answers
2. asked by Enderman0810
3. 2,213 views
weak acid, HA, is 0.1 % ionized in a 0.2 M solution.(a) What is the equilibrium constant for the dissociation of the acid (Ka)?
1. 1 answer
2. asked by YBB
3. 2,170 views
$300 invested at 9% compounded daily after a period of 4 years.After 4 years, the investment results in $____.
1. 1 answer
2. asked by .
3. 1,799 views
A biker first accelerates from 0.0 m/s to 6.0 m/s in 6 s, then continues at this speed for 5 s. What is the total distance
1. 3 answers
2. asked by faisaldlg
3. 1,572 views
the science which is intersted in studying theconversion of the liquid water to water vapour and vica versa in order to preserve
1. 2 answers
2. asked by khalid
3. 1,559 views
What are the concentrations of HOAc and OAc- in a 0.2 M “acetate” buffer, pH 5.0? The Ka for acetic acid 1.70x10-5 (pKa
1. 3 answers
2. asked by Noura
3. 1,558 views
What is the concentrations of HOAc and OAc- in a 0.2 M “acetate” buffer, pH 5.0? The Ka for acetic acid 1.70x10-5 (pKa 4.77)
1. 5 answers
2. asked by YBB
3. 1,537 views
Ka for a weak acid, HA, is 1.6x10-6. What are the (a) pH and (b) degree of ionization of the acid in a 10-3 M solution?(c)
1. 3 answers
2. asked by YBB
3. 1,413 views
Against the motion should boys help in the kitchen
1. 8 answers
2. asked by Anonymous
3. 1,332 views
What do the labeled bolts of cloth represent in the political cartoon
1. 1 answer
2. asked by Mya
3. 1,238 views
A boat can travel at a speed of 3 m/s on stillwater. A boatman wants to cross a river whilst covering the shortest possible
1. 0 answers
2. asked by N
3. 1,120 views
Two cars are travelling east along a straight highway at the same speed. At an intersection, the highway branches and splits
1. 3 answers
2. asked by Ally
3. 1,067 views
What is the (a) [H+], (b) [OH-], (c) pH, and (d) pOH of a 0.002 M solution of HNO3?
1. 1 answer
2. asked by YBB
3. 1,020 views
Tayson walked for 8 minutes before running n laps around a track. Tayson takes 1 minute and 45 seconds to run each lap. What is
1. 1 answer
2. asked by help
3. 976 views
For what values of c does the function f (x) = cx + arctan x have exactly one local maximum and one local minimum?
1. 4 answers
2. asked by Ally
3. 975 views
We saw that if we want to have a probability of at least 95% that the poll results are within 1 percentage point of the truth,
1. 2 answers
2. asked by Anonymous
3. 946 views
At the beginning of the month, Kimberly had $65.78. Since then, she has received three payments of $32.50 from her babysitting
1. 2 answers
2. asked by lil
3. 931 views
Write an equation of the line that has a slope of 1/2 and a y-intercept of 2.
1. 1 answer
2. asked by Jesvlyn Garcia
3. 910 views
A toy racing car moves with constant speed around the circle shown below. When it is at pointA its coordinates are x = 0, y = 3
1. 1 answer
2. asked by Anonymous
3. 835 views
the concentration of HNO3 in a solution that has a pH of 3.4?
1. 1 answer
2. asked by YBB
3. 819 views
1. LetT :R3→R3 . Show that ifT ([c1 c2 c3]) = c1T ([1 0 0]) + c2T([0 1 0]) + c3T ([0 0 1]) for c1, c2, c3 ∈ R then T
1. 0 answers
2. asked by Ally
3. 720 views
-Find two positive numbers satisfying the given requirements:The sum of the first and twice the second is 80 and the product is
1. 1 answer
2. asked by Jose Carrai
3. 696 views
Find the value of 'x' when RATS is a parallelogram and the measure of angle S = 8x degrees and the measure of angle T = 7x
1. 1 answer
2. asked by lez
3. 666 views
Cinema A sells a twelve-pack of movie passes for $66. Cinema B sells a five-pack of movie passes for $28.a. Find the cost per
1. 2 answers
2. asked by Anonymous
3. 584 views
What is the (a) H+ ion concentration, (b) pH, (c) OH- ion concentration, and (d) pOH of a 0.001 M solution of HCl?
1. 1 answer
2. asked by YBB
3. 582 views
Let V = span{e2x, xe2x, x2e2x}.(a) Show that d/dx (􏰀a1e^2x + a2xe^2x + a3x^2e^2x)􏰁 ∈ V for any a1, a2, a3 ∈ R (b) let
1. 0 answers
2. asked by Jonathon
3. 577 views
Martha bought 3 m. of yellow ribbon and blue ribbon. How many meters of ribbon did she buy?
1. 1 answer
2. asked by Mark
3. 564 views
A cat rescue service found homes for 40 cats in 5 weeks. What was the rate of cats being placed per week .
1. 1 answer
2. asked by Andrea
3. 549 views
1. Which war led England to begin taxing its colonies in the Americas?a.the War of 1812 b.the First World War c.the French and
1. 1 answer
2. asked by girl in red gurl
3. 526 views
How manya) H+ ions (1 g-ion/L = 6.023 x 1023 ions/L) and b) OH- ions are present in 250 ml of a solution of pH 3?
1. 2 answers
2. asked by YBB
3. 502 views
vertices (0,6)and (-10,6) foci(-2,6) (-8,6) write the equation for ellipses
1. 1 answer
2. asked by jacob
3. 473 views
What is the probability that he gets a 1 on both the die and the spinner?
1. 1 answer
2. asked by Jackson
3. 469 views
Josie has already prepared 5 kilograms of dough and will continue preparing 1 kilogram of dough every hour. How many hours did
1. 2 answers
2. asked by Jordan
3. 439 views
What were the main steps in Brazil's transitions from a colony to a democratic country?
1. 1 answer
2. asked by please help
3. 429 views
If g(x) is the fourth degree function, then which of the following could be a definition for g(x)?(A) g(x) = (x-3)(x+5) (B) g(x)
1. 1 answer
2. asked by Alicia
3. 426 views
Create a Google Slides/PowerPoint presentation with information on how to construct a boutonniere. Include the following
1. 1 answer
2. asked by Chiounx
3. 419 views
A child’s strength and balance, which allows the child to walk early, is considered what type of constraint
1. 1 answer
2. asked by Roberta Devine
3. 418 views
Based on what I've searched, fission is when a unicellular organism divides into 2 daughter cells (so it's basically like
1. 1 answer
2. asked by Anonymous
3. 415 views
A 5kg baseball and a 10kg softball are thrown at 10 m/s. Which ball has more kinetic energy?
1. 3 answers
2. asked by skyler
3. 402 views
What character is Jamies foil in my brothers keeper?
1. 1 answer
2. asked by Alexis
3. 400 views
Find the area of the roof on the building not including the area of the triangle with height 15 ft. The given length of the
1. 1 answer
2. asked by Roberrtt
3. 373 views
Corsage Alternative AssignmentCreate a Google Slides/PowerPoint presentation with information on how to construct a corsage.
1. 0 answers
2. asked by Chiounx
3. 373 views
a carpenter who is installing cabinets uses thin pieces of material called shims to fill gaps. the carpenter uses four shims to
1. 1 answer
2. asked by samie
3. 350 views
Mother hung the clothes that have been washed. There were 27 different colored T-shirts and school uniform that were washed.
1. 1 answer
2. asked by Anonymous
3. 346 views
___________ is the ability to do work or cause a change.
1. 1 answer
2. asked by Abdul
3. 320 views
How does the game sometimes have sounds that sound real?
1. 1 answer
2. asked by a person
3. 295 views
If red food coloring in icing makes pink, then how do you make red icing?
1. 0 answers
2. asked by a person
3. 272 views
What property of matter is the student measuring
1. 1 answer
2. asked by Anonymous
3. 267 views
The area of cirde p q r with centre o is 72cm2 what is the area of sector p o q=40
1. 2 answers
2. asked by Anonymous
3. 225 views
If today is Tuesday what is the probability of Saturday
1. 1 answer
2. asked by Mashele Morine
3. 214 views

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