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Questions (145)
What is the total surface area of the figure? (1 point) Responses 480 cm2 480 cm squared 552 cm2 552 cm squared 408 cm2 408 cm
1 answer
29 views
how does descartes say he is certain that objects do exist independantly?
1 answer
99 views
how does descartes' wax analogy show contradictions to his dualism
1 answer
96 views
how would an idealist tell their version of Descartes' wax analogy?
1 answer
95 views
Descartes starts off the wax analogy by assuming the wax already exists, unlike how he doubts his own existence in the first
1 answer
98 views
can someone explain the mechanism involved in converting benzoic acid to m-nitrobenzyl alcohol. It says that it will first
1 answer
215 views
Is there a difference between standard cell potential and reduction potential in electrochemistry? Can someone explain it to me?
3 answers
410 views
Everyday heroes unit test.
I need some help with this test, and 14 questions with confusing words hurt my head. need help
17 answers
1,852 views
What is the definition of significance? I am very confused and need help!
3 answers
290 views
To use a certain cash machine, you ned a persona identification code. If each code consists of two letters followed by one of
4 answers
734 views
Kelly enlarged the area of a photograph to 250% of its original size. The original dimensions of the photograph were 5 inches by
5 answers
2,338 views
A marksman's chance of hitting a target with each of his shots is 60%. (Assume that the shots are independent of each other.) If
3 answers
913 views
Points on the terminal sides of angles play an important part in the design of arms for robots. Suppose a robot has a straight
3 answers
515 views
In distillation components of a mixture are separated into groups of molecules with simi- lar
1. densities. 2. melting points. 3.
2 answers
945 views
In both the house and senate, a bill introduced by a member is next
a. Given a number b. Scheduled for floor debate c. Sent to a
3 answers
1,131 views
If a majority of committee members support a bill, what is likely to happen to it?
A. The committee will pigeonhole the bill B.
3 answers
1,278 views
A car on the highway travels at 90 km/hr. Express this speed in m/s. can yall show me how to convert this
3 answers
457 views
On page 111 of your reading material there is a problem that requires you to calculate the average speed for a daylong bus trip.
4 answers
1,939 views
Henry hits a hockey puck in the positive
x-direction at time, t ≈ t0. The puck is then stopped by a net starting at time, t ≈
3 answers
3,136 views
1.A square has side lengths of 3 units. One of its vertices is at (5, -2). Which of the following are possible coordinates of
4 answers
1,291 views
how do I make a box and whisker plot with the numbers 13,13,20,21,21,22,24,27? I put them all in order but since there is only 8
4 answers
607 views
A projectile is fired at 33.1° above the horizontal. Any effects due to air resistance are negligible. At the highest point in
1 answer
498 views
A hockey puck slides with an initial speed of 40.7 m/s on a large frozen lake. If the coefficient of kinetic friction between
1 answer
533 views
What would it mean if mu is greater than one?
1 answer
386 views
A 2.3 kg pendulum bob hangs from a 2 meter string. It is pulled to the side, position A, so that the bob is 111 cm (h on the
1 answer
660 views
Determine whether each statement below is true or false.
The force necessary to lift an object is its mass times g. Kinetic
2 answers
1,009 views
A bow with a spring constant of 398 N/m has an arrow placed in it and pulled back a distance of 0.6 m. If the arrow is shot
1 answer
848 views
A 63.8 kg woman lifts herself 36.6 cm each time she does a chin-up. What force does she exert in lifting herself to the chin
3 answers
1,040 views
A crate rests on a flatbed truck which is initially traveling at 17.8 m/s on a level road. The driver applies the brakes and the
4 answers
4,474 views
A politician claims that she will receive 65% of the vote in an upcoming election. The results of a properly designed random
2 answers
743 views
c=2πr
c= 7.12 pi= 3.14 find value of r -rounded to 2 decimal points
1 answer
457 views
the men are camping 45 miles due west and then go 60 miles directly north. if they can cover 18 miles a day how long will it
2 answers
881 views
timothy owns 13 chains, each chain having 3 links. timothy wants to use all the small chains to make one circular chain of 39
1 answer
460 views
3 persons are to divide among themselves 21 equal cask, of which 7 are full, 7 are half full, and 7 are empty. how can an
2 answers
520 views
an aquarium is in the shape of a right rectangular prism. each side of the aquarium is a rectangle that is 10 in wide and 8 in
2 answers
834 views
how many baseball games of single elimination must be played by 421 teams in a tournament before a winner is determined
2 answers
912 views
a teacher reported 1/5 made A's, 1/4 made B, 1/3 made C's, 1/6 made D's, and 12 made F's How many are in the class
Let X = the
3 answers
474 views
a tennis ball is thrown straight up with an initial velocity of 22.5 m/s. it is caught at the same distance above the ground.
a).
6 answers
17,656 views
You have a stock 0.100 M solution of KMnO4 and a series of 100-mL volumetric flasks. What volumes of the stock solution will you
7 answers
2,622 views
Which of the following equations describes the condition for observing the fourth bright fringe in Young's double-slit
2 answers
1,344 views
What is the angle of refraction of a light ray that enters the surface of a calm lake from air at an angle of 45o to the normal?
6 answers
2,255 views
A water wave is generated in a ripple tank by an oscillator that vibrates 50 times in 30 seconds. A given trough of the wave
4 answers
1,729 views
In a right triangle, if sin ø = (5/13), what is the value of csc ø?
1 answer
387 views
Can someone please help me find the x-intercepts and y-intecepts of this equation. I have the radius, and center but I can't
4 answers
443 views
I am having to explain how to find the domain and range of a rational function from its graph.
Can someone help me to try and put
2 answers
608 views
find functions f anf g so that fog equals H
H(x)=�ãx^2+17 please show work
2 answers
1,151 views
find the domain of the composite function of fog
f(x)=x^2+8;g(x)�ãx-5
2 answers
783 views
solve the following equation
9^x-1 = 144(6x) please show work.
3 answers
283 views
use the properties of logarithms to find the exact value of the expression
loglower 3^18 - log lower3^6 **how do I make the three
1 answer
1,098 views
solve the following exponential equation.
7^x=8 a. x= Write in exact solution b. then with that answer move the decimal 3 points
2 answers
1,221 views
solve the equation in the real number system.
2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations? please show
4 answers
656 views
use the rational zero theorem to list the potential rational zeros of the polynomial function. Do not attempt to find the zeros.
2 answers
578 views
Find a bound on the real zeros of the polynomial
f(x)=x^4+4x^3-8x-6 can someone help me, I am confused and don't know where to
1 answer
398 views
A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is
1 answer
509 views
A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is
2 answers
556 views
In the following examples, state how you would use the principle of marginal analysis to make a decision.
a. Deciding how many
2 answers
884 views
A net charge of 47 mC passes through the cross-sectional area of a wire in 19.0 s.
(a) What is the current in the wire? 1 A (b)
3 answers
651 views
Help with identify the property
45x6=(40+5)x(5+6)= I think Assoiative prop. ( is this correct?) 6x1=6 I put identity prop. of 1
3 answers
687 views
A sample survey of 50 people in Harrisburg, PA indicates that 10 of them know the mayors name in the neighboring city. Out of
4 answers
501 views
A spherical conductor has a radius of 14.0 cm and charge of 26.0 µC. Calculate the electric field and the electric potential
3 answers
1,728 views
A spherical conductor has a radius of 14.0 cm and charge of 26.0 µC. Calculate the electric field and the electric potential
4 answers
2,411 views
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and
1 answer
754 views
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and
3 answers
493 views
all distances are in feet and all are right angles. a straight line drawn from point w to point z would be how long in feet?
1 answer
427 views
For this question, use the information for Sports Baseballs, Inc. Sports Baseballs, Inc. is a corporation that manufacturers and
2 answers
576 views
If you filled three balloons with eaqual volumes of hydrogen, argon, and carbon dioxide gas all at the same temperature and
1 answer
485 views
What mass of hydrogen peroxide should result when 1.50g of barium peroxide is reacted with 25.0mL of 0.50 M hydrochloric acid?
3 answers
1,141 views
Jenny please show me in better detail the set up of the answer.
4 answers
599 views
If you make a solution by dissolving 25.0g of sodium chloride in 100.0 mL of water. What is the boiling point of the solution?
3 answers
1,007 views
A woman is sitting in a boat at anchor on a lake. Her boat bobs up and down once every 2.0·s. She notices that when the front
3 answers
656 views
Observed under magenta colored lights, you see a crayon that appears red. What colors could the crayon be when observed under
1 answer
1,103 views
A 30.0 mL sample of phosphoric acid is titrated with 18.0 mL of 3.0 M NaOH solution. What is the molarity of the phosphoric
2 answers
693 views
How to do polynaimals in 5th grade in the easyest form. How do you do problems like X+6=10 using all the steps instead of just
4 answers
446 views
A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to
3 answers
479 views
A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to
1 answer
700 views
when can you eat tuna after you ate egg?
4 answers
397 views
Determine the vertical component of a baseball's velocity if the ball is thrown at 28 m/sec at an angle of 37 degrees with the
3 answers
638 views
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and
2 answers
637 views
A 40 kg weight is suspended at P which is held up By the ropes PQ and PR the ropes make angles at 160 degrees and 130 degrees
1 answer
875 views
How to solve for the unknown:
2/3/10 = 1.8/r
1 answer
306 views
i need to find the perimeter of a triangle with the demensions : 2(q^2-3q) , q+10 , and q^2 .
3 answers
396 views
A particle travels horizontally between two parallel walls separated by 18.4m. It moves towards the opposing wall at a constant
2 answers
1,354 views
1) What's the linear velocity of a point on the tip of a 6-ft propeller turning at 1200 revolutions per min?
2) A gear is driven
2 answers
620 views
1) A 6-ft propeller turns at 1200 revolutions per minute. Compare the angular velocity of the tip with the angular velocity at a
3 answers
868 views
The 2 pulleys in the figure have radii of 15 cm and 8 cm, respectively. The larger pulley rotates 25 times in 36 seconds find
5 answers
5,394 views
find v for the following question..
the tip of the airplane propeller 3m long, rotating 500 times per minute (hint r=1.5m)
3 answers
1,956 views
Sprinting near the end of a race, a runner with a mass of 70 kg accelerates from a speed of 6 m/s to a speed of 9 m/s in 2 s.
(a)
2 answers
913 views
1. How much acceleration does a 747 jumbo jet of mass 31600 kg experience in takeoff when the thrust for each of four engines is
5 answers
3,431 views
A bullet of mass 5.15 g is fired horizontally into a 2.74 kg wooden block at rest on a horizontal surface. The coefficient of
4 answers
905 views
What is the acceleration of a 23 kg pail of cement that is pulled upward (not sideways!) with a force of 300 N?
2 answers
516 views
How do elections in a single-member district differ from elections in states that fill their seats at-large?
1 answer
447 views
What are the differnt conditions for yest fermentation. i have to make a hypothesis and experment based on yeast fermentation. I
2 answers
639 views
If there were no air drag, how fast would drops fall from a cloud 2.4 kilometer above the Earth's surface?
answer in m/s.
3 answers
1,138 views
If there were no air drag, how fast would drops fall from a cloud 2.4 kilometer above the Earth's surface?
Answer in m/s.
2 answers
555 views
What is the acceleration of a vehicle that changes its velocity from 120 km/h to a dead stop in 7 s?
Answer in km/h·s
5 answers
577 views
find the other endpoint (x,11) of a segment given the endpoint (5,-4) and a distance of 17.
1 answer
385 views
find the domain & range of each relation & identify any relations that define functions
y=3(x+1)^2-5
1 answer
402 views
Bertrand Russell wrote, "I think we must retain the belief that scientific knowledge is one of the glories of man. I will not
3 answers
699 views
1. What is a typical drift speed of electrons that make up a current in a typical DC circuit?
(zero, less than 1 cm/s, about 10
2 answers
838 views
1. If the voltage impressed across a circuit is constant but the resistance increases by a factor of 15. By what factor does the
2 answers
872 views
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