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Steven
Questions and answers by
Steven
, page 3
Questions (326)
A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time
1 answer
425 views
A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time
1 answer
415 views
A student union wants to obtain a 90% confidence interval for the proportion of “full time” students who hold a part-time
1 answer
391 views
I was wondering, what are some similarities between Hudson Bay Company and the Northwest Company
2 answers
1,153 views
How would you find the area of a shape shaped like a candy cane?
7 answers
1,061 views
How would you find the area of a shape shaped like a candy cane?
1 answer
344 views
A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles, 2 orange marbles and 2 purple marbles. If three marbles are
3 answers
2,509 views
20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says “'invalid
1 answer
466 views
20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says “'invalid
1 answer
455 views
18 You started your new job as a PC tech and are at a customer’s house. The computer has failed to boot. The fan is
2 answers
570 views
20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says “'invalid
1 answer
434 views
Does foam prevent convection? If not, what does it prevent? (radiation and conduction)
3 answers
529 views
14 Your brother is going to serve in the military overseas for four years and asks you about storing his computer in a public
1 answer
486 views
14 Your brother is going to serve in the military overseas for four years and asks you about storing his computer in a public
1 answer
880 views
17 You purchase a used optical drive from a second and store replace a single optical drive that has gone bad on your desktop.
1 answer
403 views
17 You purchase a used optical drive from a second and store replace a single optical drive that has gone bad on your desktop.
1 answer
409 views
I don't really understand this, could someone help me solve it?
a) In her first round as a professional golfer, Michelle Wie
4 answers
1,449 views
Two forces of 5 N and 12 N respectivlely act on the same point. Show how to determine the magnitude of the resultant by using
1 answer
653 views
Bats chirp at a high frequency which humans cannot hear. They use the echoes to detect small objects, such as insects, as small
4 answers
940 views
At a baseball stadium, every eighth person received a coupon for free popcorn. Every thirtieth person received a free hot dog.
4 answers
515 views
What is the distance between (-2,-5) and its reflection over the x-axis?
2 answers
593 views
Monique is making cookies for the pajama party at her house. She has 3-1/2 cups of sugar. The recipe calls for 3/4 cup of sugar
3 answers
760 views
You need to determine the concentration of a sulfuric acid solution by titration with a standard sodium hydroxide solution. You
4 answers
1,418 views
The director of the center has asked you to design a garden. The director has asked you to design different sections of the
2 answers
527 views
1. How does sea-floor spreading occur?
A. New materials are being added to the asthenosphere. B. Earthquakes brake apart the
5 answers
1,640 views
A filling cabinet is 35 centimeters by 70 centimeters by 115 centimeters. The bottom drawer is 30% of the volume of the filling
3 answers
497 views
A cube with side length 4 centimeters is 25% full of sand.What is the volume of the sand?
4 answers
732 views
What happens to the volume of a rectangular prism length, the width, and the height by 2?
5 answers
481 views
A calendar that has one page per day is 7 inches long, 7 inches wide, and 2 inches high. What is the volume of one page of the
9 answers
1,137 views
write and solve an equation to find the missing dimension of the rectangular prism.
Volume= 1km cubic L=3/4 km W=2/3 km H= ?
2 answers
724 views
Physics
2. Which of the following is equivalent to one ampere? (Points : 1) 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s Question
4 answers
2,270 views
how many moles of oxygen are needed to react with 3.5 moles of isopropyl alcohol, C3H7OH
2 answers
833 views
How long is Mayra, a ballerina, in the air when she leaps striaght up with a speed of 1.23 m/s?
1 answer
389 views
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top
2 answers
582 views
A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.850 m/s at an
2 answers
497 views
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x
1 answer
478 views
The weight of an object is the same on two different planets. The mass of planet A is only thirty-five percent that of planet B.
4 answers
780 views
Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The
4 answers
3,868 views
Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical
2 answers
704 views
Consider two spherical stones with same density (mass per unit volume). The larger stone has radius R = 8.58 cm and the smaller
2 answers
491 views
Write a sentence for the given topic, using a form of one of the following linking verbs in each sentence: smell, sound, feel,
6 answers
793 views
A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called
2 answers
899 views
A 36-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, her kinetic
2 answers
572 views
The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it,
1 answer
1,039 views
A golf club strikes a 0.041-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force
2 answers
639 views
Starting from rest, a 2.0 10-4-kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
2 answers
614 views
A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called
1 answer
631 views
The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it,
1 answer
1,141 views
Buddy is unloading 7kg cans using a 45 degree downward ramp. The ramp was made slippery by the a detergent spill before. Buddy
1 answer
456 views
A camera falls from a blimp that is 399 m above the ground and rising at a speed of 9.75 m/s. Find the maximum height reached by
4 answers
2,442 views
A basketball player makes a jump shot. The 0.580-kg ball is released at a height of 1.90 m above the floor with a speed of 7.18
1 answer
450 views
The pilot of an aircraft wishes to fly due
west in a 50.0 km/h wind blowing toward the south. The speed of the aircraft in the
4 answers
5,558 views
The speed of the car at the base of a 30 ft hill is 45 mi/h. Assuming the driver keeps her foot off the brake and accelerator
4 answers
556 views
A 38.0-kg boy, riding a 2.37-kg skateboard at a velocity of +5.07 m/s across a level sidewalk, jumps forward to leap over a
4 answers
2,733 views
Discuss the power lies within the Parliament in UK and whether the power of parliament had been limited in the present day.
2 answers
495 views
"What amount of Barium hydroxide is needed to neutralize 500 kg of 18 molar Sulphuric acid?"
1 answer
440 views
The twice–differentiable function f is defined for all real numbers and satisfies the following conditions:
f(0)=3 f′(0)=5
4 answers
4,623 views
For the curve given by 4x^2+y^2=48+2xy show that ((dy)/(dx))=(y-4x)/(y-x)
2 answers
806 views
For the curve given by 4x^2+y^2=48+2xy, find the positive y-coordinate given that the x-coordinate is 2.
2 answers
735 views
For the curve given by 4x^2+y^2=48+2xy, show that there is a point P with x-coordinate 2 at which the line tangent to the curve
4 answers
2,304 views
Through how many radians does a circle of radius 1 foot rotate if it rolls 10 feet down the road?
1 answer
363 views
A 50 kg satellite circles the earth in an orbit with a period of 110 min. What minimum energy E is required to change the orbit
1 answer
743 views
For what values of x is the graph
y=2/(5-x) concave upward? x<5 x>-5 x>5 no values of x
2 answers
1,015 views
At what value(s) of x does f(x)=(-4x^4)+(2x^2) have a relative maximum?
1 answer
369 views
Lexi and Maria had $250 altogether. After Lexi spent25of her money and Maria spent $40, they had the same amount of money left.
3 answers
757 views
3. A small sphere whose mass is 8.00E-03 g. carries a charge of 7.00E-08 C. It hangs from a silk thread which makes an angle of
2 answers
542 views
1. Two concentric conducting spherical shells have radii of 0.126 m. and 0.225 m. The inner sphere bears a charge of -8.00E-08
2 answers
715 views
how many grams of Nano3 are in 0.755 moles of nano3
1 answer
394 views
Explain how the graph of f(x) = ln x can be used to obtain the graph of g(x) = e^(x-2).
3 answers
501 views
5x/3+y=c
2y=c-4x x+y=6 What is c? I've tried substituting y as x-6 however I'm still not getting it.
2 answers
744 views
y-4=4x+3y=-(9-x)
What is the value of xy?
4 answers
349 views
Which of the following is an asymptote of f(x)=(x^2+3x+2)/(x+2)*tan(pi*x)?
A) x=-2 B) x=-1 C) x=1/2 D) x=1 E) x=2 Answer is C but
2 answers
602 views
What is the perimeter of rectangle WXYZ, with vertices W(-3,7), X(-5,4), Y(1,0), and Z(3,3) to the nearest unit.
PLEASE HELP. A.
4 answers
1,510 views
A circle has a center at (8,2). The point is (3,7) is on the circle. What is the area of the circle, to the nearest tenth of a
3 answers
579 views
Car A and B are facing each other at rest, 100 m apart. Car A accelerates at 5 m/s^2. Car B accelerates at 3 m/s^2. When and
1 answer
456 views
Compute the length of the curve r(t)=5ti+8tj+(t2+4)k over the interval 0≤t≤6
Hint: use the formula
3 answers
901 views
A compact car of mass 915 kg has an overall motor efficiency of 16.0%.
(a) If burning one gallon of gasoline supplies 1.34 108 J
3 answers
744 views
A viral preparation was inactivated in a chemical bath. The activation process was found to be first order in virus
2 answers
1,222 views
how the volume of air in a tank of compressed air would change if the volume of the tank doubled?
My answer was: The volume of
2 answers
984 views
Evaluate ∭W f(x,y,z)dV for the function f and region W specified:
f(x,y,z) = 18(x+y) W: y≤ z≤x ; 0≤y≤x ; 0≤x≤1 ∭W
4 answers
1,404 views
The surface x^2−y^2=36 can be described using spherical coordinates in the form
ρ=g(θ,ϕ)=
1 answer
379 views
Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.
2 answers
688 views
Jan is a 35-year-old individual who plans to retire at age 65. Between now and then $4000 is paid annually into her IRA account,
1 answer
475 views
The feasible region shown below is bounded by lines 2𝑥 − 𝑦 = 2 , 𝑥 + 𝑦 = 2 , and y = 0.
Find the coordinates of
2 answers
494 views
So I'm doing solving system of equations,
2x+y=5 4x+2y=10 I found no solution that would fit it therefore they are parallel to
3 answers
403 views
A 100 point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response
10 answers
7,199 views
X-3y=1
4x+5y=4 Solve the system of equations.
3 answers
990 views
Mr Sanderson makes some cookies for a festival day. She gave 1/4 of the cookies to her sister and 1/3 of the remainder to a
2 answers
623 views
Consider a single price monopoly that faces a market demand curve for a good is given by the equation 𝑃=100−.1𝑄 and the
1 answer
495 views
Which of the following questions is outside the scope of science?
a. how are religion and philosophy different b.what is the diet
7 answers
1,903 views
What is the square root of 58 to the nearest integer.
3 answers
1,447 views
Line MP bisects <LMN, m<LMP=4x+3 and m<LMN=10x-6. Find m<LMN.
I understand how to find adjacent angles and the complement. I
3 answers
1,045 views
A box contains 6 pagers. Assume any pager selected from the box is done randomly, and hence
selections are independent from each
1 answer
474 views
Calculate the lengths of the straight lines joining the following pairs of points, leaving your answers in surd form:
(a)
2 answers
558 views
The mid-point of the straight line joining A(4,-3), B(6,-2) is located at C.
(a) Calculate the coordinates of C. (b) Verify your
2 answers
569 views
(a) Find the points which divide the line joining A(1,3) and B(-4,-1) internally in the ratios:
(i) 1:2 (ii) 1:1 (iii) 3:1 (b) On
3 answers
470 views
The points A(1,5) and B(9,3) are part of a triangle ΔABC. The triangle has a right angle at A and and sides satisfy AB=2AC.
3 answers
494 views
An aeroplane makes in emergency landing without landing gear. If the aeroplane touches down with a horizontal speed of 60.0ms^-1
3 answers
517 views
An aeroplane makes in emergency landing without landing gear. If the aeroplane touches down with a horizontal speed of 60.0ms^-1
1 answer
486 views
Find all possible solutions in the range 0°≤ x ≤ 180° of the following equations:
(a) cos x = sqrt(2) / 2 (b) tan x =
1 answer
450 views
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