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michelle
Questions (500)
finding the equation to the perpendicular lines.
y=x+4; (-7,1)
1 answer
399 views
a window easher pushes his brush up a vertical window at constant velocity by applying a force F as shown below. The brush
0 answers
600 views
Two blocks are connected by a light string that passes over a massless, frictionless pulley as shown. The coefficient of
0 answers
1,042 views
If a store owner buys a microwave for $200 and sells it for $275. What is the percent markup based on cost?
1 answer
1,992 views
Help pleaseeee
The Hotel Regal has 500 rooms. Currently the hotel is filled. The daily rental is $ 400 per room. For every $4
1 answer
801 views
How could you use standard scores and the standard distribution to compare the reading scores of two students receiving special
1 answer
535 views
Mandy interviewed a source who told about how she was illegally treated by the police. using her information in the speech is an
2 answers
789 views
In conducting a personal interview, setting limits on what will be covered should occur:
a. at the beggining of the interview b.
2 answers
896 views
when researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from
1 answer
1,144 views
Which of the following is NOT a potential consequence of plagiarism?
A. Academic warning B. Academic probation C. Failing the
2 answers
658 views
Becoming a discerning consumer of research is something you can achieve by practicing good research skills and using your
A.
4 answers
1,142 views
abcd is a square picture frame. efgh is a square inscribed within abcd as a space for a picture. the area of efgh (for the
1 answer
726 views
Ryan is thinking of a number. When he multiplies this number by 6 and then subtracts 15 from the answer, he ends up with his
9 answers
3,837 views
Laura takes very good care of her vehicles. She owns a blue van and a red truck. Although she bought them both new, she has
1 answer
2,772 views
a die is thrown twice. what is the probability that the sum of the rolls is greater than 9 given that the first roll is a 4?
3 answers
700 views
In a simple card game, Player A wins a point if either a face card, a red prime number, or a black perfect square number is
2 answers
1,690 views
0.2g of an organic sample W, analysed by combustion analysis results in 0.48g of CO2 and 0.1636g of H2O. We had a second sample
1 answer
479 views
Name these:
a) CH2=CH-CH=CH2 b) CH3-CH=CH-C(TRIPLE BOND)CH c) CH3-CH2-CH2-CH(Cl)-CH(Br)-CH3
1 answer
958 views
31divided by 5,087
1 answer
348 views
Can you please write the isomer name though? I will draw it from that.
Write an isomer of structure for a), b) and c) and name
1 answer
543 views
Write an isomer of structure for a), b) and c) and name them.
a) 3,3-dimethylpentane b)3-methyl-4-ethyl-1-hexyne
1 answer
673 views
Write an isomer of structure for a), b) and c) and name them.
*(N.B- ! rep. a bond) a) CH3 ! CH3-CH2-C-CH2-CH3 ! CH3 CH3 ! b)
1 answer
642 views
How do you draw the structure of the reaction of 1-hexene with h2o in the presence of acid
1 answer
638 views
Why is the atomic emission spectrum of hydrogen composed of lines? What does each line indicate? Why do the lines become closer
1 answer
713 views
Does anyone have a "Chemistry in Context 6th edition" by mcgraw and hill book? I don't have one and my homework is in there.
0 answers
1,136 views
a flagpole cast a shadow 18m long when the altitude of the sun is 54 degrees.what is the height of the flagpole
1 answer
1,236 views
A car exciting the highway moving at 27 m/s slows down at the rate of 3.5 m/s^2 to a final velocity of 18 m/s. Calculate the
1 answer
867 views
A customer is buying a $100 drill and two $15 drill bit sets. The customer uses a gift card worth $50 to pay for a portion of
1 answer
457 views
Prior to the industrial revolution the study of leadership relied on
a scientific studies b. intuition and description c. case
2 answers
1,140 views
give the value of acceleration due to gravity
1 answer
375 views
how do you factor this: 5p + 15q
1 answer
899 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = 7x^3 f(a)= f(a +
1 answer
493 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = 4 − 6x + 7x2
1 answer
727 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = 2x/x-7 f(a)= f(a
0 answers
483 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = x/x+6 f(a)= f(a +
0 answers
915 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = 2/x+5 f(a)= f(a +
0 answers
412 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = 17 f(a)= f(a + h)
0 answers
478 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = x^2+7 f(a)= f(a +
1 answer
944 views
Find f(a), f(a + h),
and the difference quotient f(a + h) − f(a) ------------------ h , where h ≠ 0. f(x) = 6x + 7 f(a)= f(a
0 answers
473 views
A 156-kg coil of sheet steel is 0.80 mm thick and 50 cm wide. How long is the steel in the coil?
1 answer
3,435 views
I need help trying to solve trigonometric identity problems
I just need help if someone could break it down step by step how to
1 answer
629 views
use the rational zeros theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real
1 answer
1,088 views
Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund.
Writing a research paper sounds
2 answers
1,566 views
john cabot laid claim to the newfoundland region of canada for______ in 1497.
2 answers
377 views
2. Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and
3 answers
1,095 views
What will be the fastest reaction if a strong base, such as sodamide, reacts with a secondary alcohol, such as (2S)-butanol?
a)
1 answer
515 views
provide the appropriate IUPAC name for the following alcohol. designate e or z
8 carbon chain double bonds between 4 and 5 and 6
1 answer
734 views
I need help with something and can't find this anywhere online. my structure looks like this
OH CH2 CH3CH2CH2CHCHCH2CH3 CH3 So
3 answers
518 views
which of the following represents the best strategy for synthesizing 2-butanol, CH3CH2CH(OH)CH3
a) CH3CH=CHCH3 + [H30]+ b)
3 answers
606 views
You are in the lab with a 10 V battery. You have a 10 W light bulb and you want to put 0.75 A of current through the light bulb
1 answer
685 views
jennifer is asked to complete 5 of the 7 essay questions on her literature exam how many choices does jennifer have?
1 answer
483 views
Now that you have turned in your Simulation Final Project paper, the next step is to turn in your PowerPoint presentation of it.
2 answers
638 views
In "Life without Principle," Thoreau writes, "If my wants should be much increased, the labor required to supply them would
1 answer
552 views
A particle rotates counterclockwise in a circle of radius 6.5 m with a constant angular speed of 7.4 rad/s. At t = 0, the
1 answer
796 views
A particle rotates counterclockwise in a circle of radius 6.5 m with a constant angular speed of 7.4 rad/s. At t = 0, the
1 answer
792 views
The motion of a piston in an auto engine is simple harmonic. The piston travels back and forth over a distance of 23 cm, and the
2 answers
4,397 views
Scores from a statistics exam are reported as deviation scores. Which of the following deviation scores indicates a higher
4 answers
4,153 views
A 28.6-g bullet is fired from a rifle. It takes 2.36 × 10-3 s for the bullet to travel the length of the barrel, and it exits
1 answer
791 views
A magic number is the name given to certain numbers of protons or neutrons that have a high correlation to stability in nuclei.
M
1 answer
2,543 views
1. (30 points) Consider a manufacturer whose total cost of producing x items is given by c(x)=10000+5x+1/9x^2.
a. What is the
0 answers
619 views
An object is projected upward from the surface of the earth with an initial speed of 2 km/s. The acceleration of gravity is 9.81
0 answers
796 views
A hydraulic brake system is shown. The
area of the piston in the master cylinder is 6.32 cm^2, and the area of the piston in the
2 answers
821 views
A hydraulic brake system is shown. The
area of the piston in the master cylinder is 6.32 cm^2, and the area of the piston in the
0 answers
653 views
A liquid of density 1354 kg/m^3
flows with speed 2.45 m/s into a pipe of diameter 0.29 m. The diameter of the pipe decreases to
3 answers
3,145 views
How high is a wall that casts a 15ft shadow at the same time that a 4ft flag pole casts a 4ft shadow?
1 answer
563 views
what is a good attention getter sentence on carpal tunnel syndrome?
3 answers
503 views
The reaction time of subjects to a certain psychological experiment is considered to be normally distributed with a mean of 20
0 answers
790 views
The reaction time of subjects to a certain psychological experiment is considered to be normally distributed with a mean of 20
1 answer
813 views
Three masses are arranged in the (x, y)
plane. 3kg (0,0) 7kg (10,0) 6kg (0,3) What is the magnitude of the resulting force on the
2 answers
617 views
An object of mass 154 kg moves in a smooth straight tunnel of length 2990 km dug through a chord of a planet of mass 3.19 ×
1 answer
535 views
An object of mass 154 kg moves in a smooth straight tunnel of length 2990 km dug through a chord of a planet of mass 3.19 ×
0 answers
482 views
. What is the mass concentration (titer) is a solution of sulfuric acid with the molar concentration equivalent
0.5 mol/dm3?
0 answers
432 views
Potassium nitrate weighing 15 g was dissolved in water volume of 200 cm3. Calculate the mass fraction of KNO3 in solution.
0 answers
1,154 views
What is the mass of dry NaCl sample should be taken for 100 cm3 of 0.5 mol/dm3 aqueous solution?
0 answers
432 views
Determine the molality 0.8 mol/dm3 solution of Fe2 (SO) 4. Density equal to 1 g/cm3.
0 answers
415 views
What mass of sucrose must be taken for solution weight of 200 g, which is equal to molality 0.05 mol / kg?
0 answers
358 views
What mass of sucrose must be taken for solution weight of 200 g, which is equal to molality 0.05 mol / kg?
0 answers
355 views
which of the following statements is supported by the information in the map please help
2 answers
2,126 views
As a result of friction, the angular speed of a wheel changes with time according to
d(theta)/dt = w0 e^-(aplpha*t) where w0 and
1 answer
3,341 views
A balloon with an initial volume of 2.8L at a temperature of 296K is warmed to 375K .
What is its volume at the final
1 answer
772 views
a bond that has a 1000 par value (face value and a contract or coupon interest rate of 10.9%. the bond have a current market
0 answers
593 views
A 230 g sample of a compound contains 136.6 g of carbon, 26.4 g of hydrogen, and 31.8 g of nitrogen. The rest is oxygen. What is
3 answers
977 views
Consider the following overall reaction which is experimentally observed to be second order in AB and zero order in C:
AB+C ->
1 answer
4,245 views
Consider the following overall reaction which is experimentally observed to be second order in AB and zero order in C:
AB+C ->
1 answer
1,784 views
Find the derivative of the function
1)f(t)=tan(e^2t)+e^tan2t f'(t)= [im not quite sure with this. im assuming the implicit
2 answers
1,723 views
Find an equation of the tangent line to the curve at the given point.
y= (1+3x)^12 , (0,1) and find y' and y" y=cos(x^2) I got y'
3 answers
1,386 views
The mass of the heavier block is 28 kg and the mass of the lighter blocks is 14 kg and the magnitude of the force of the
1 answer
965 views
A loaded truck can accelerate at 3.2 m/s^2
It loses its load so that it is only 0.2 as massive. By what factor must the
2 answers
3,391 views
Differentiate.
y = x^3/3 − x^2
1 answer
388 views
Differentiate the function.
S(R) = 4πR^2
0 answers
551 views
Use the information in the table. write and solve an equation that shows how many lions are in the preserve in all. then solve
1 answer
461 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
1 answer
1,446 views
I am pretty confused on this.
1. Pick the appropriate solvent to dissolve A) Sodium Chloride (ionic) B) Sodium Nitrate (ionic)
6 answers
8,035 views
it has been a while since ive done these so i just need a refresher. im looking for the heat of hydration of lithium chloride
2 answers
568 views
it has been a while since ive done these so i just need a refresher. im looking for the heat of hydration of lithium chloride
3 answers
1,175 views
in a what? government people in the executive branch are also part of the legislative branch?
1 answer
864 views
An object is released from rest on a planet that has no atmosphere. The object falls freely for 5.02 m in the first second.
0 answers
777 views
A) A ball is thrown vertically upward with a speed of 27.6 m/s from a height of 1.9 m. How long does it take to reach its
1 answer
503 views
cart rolling a a speed of 10m/s comes to a stop n 2 s. what is the car's acceleration?
1 answer
520 views
benjamin franklin thought the colonist would oppose new taxes from britain
1 answer
326 views
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