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Alice
Questions and answers by
Alice
, page 5
Questions (614)
A jar contains 5 blue marble, 8 red marbles, 4 white marbles,and purple marbles. Suppose you pick a marble at random without
4 answers
1,274 views
Hello, I am wondering if someone can answer me this question: In an Atwood machine why do the tensions that handle both bodies
2 answers
664 views
Frank bought supplies for school. In the first store, he spent half of his money plus $10. In the second store, he spent half of
4 answers
1,785 views
How have the lives of African Americans changed over the last 150 years and how has that transition mirrored broader shifts in
1 answer
381 views
Hello, I have to find the volume of the region enclosed by the paraboloid z=(x^2)+(y^2) and the planes z=1 and z=3 , so well i
1 answer
482 views
If your front lawn is 25.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates 1150 new snow flakes every
2 answers
747 views
The speed of light in a vacuum is 2.998 × 10^8 m/s.
What is its speed in miles per minute (mi/min)? Please explain the steps you
1 answer
1,127 views
The men\'s world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many
2 answers
869 views
Convert 9.45 μm to inches.
1 answer
346 views
The scale of a die cast model car is 4:13.If the real car has a length of 177 inches and a height of 59 inches.How tall is the
5 answers
625 views
If a boat in a bottle is an exact replica and has a sail height of 2 inch,while the real version of the boat has a sail height
1 answer
455 views
if you play soccer in a street 9 meters wide and you put the goals 12 meters apart what is the lenght of a soccer pitch if the
1 answer
392 views
Suppose the height of an object fired straight up from the level ground is given by s(t)=300t-4.9t where s is measured in meters
4 answers
1,814 views
A motor car of mass 30kg,moving with a velocity of 10m/s. by the application of brakes,it was brought to rest at a distance of
6 answers
2,138 views
A projectile is propelled along the x-axis. During 5.2 s it moves from position 64 m to position −40 m. Find its average
2 answers
486 views
PART A)
Suppose that 6.9 mL of 2.5 M KOH(aq) is transferred to a 250 mL volumetric flask and diluted to the mark. It was found
3 answers
664 views
Hi, I need help with 2 questions!
Which type of underground magma formation is usually dome shaped? dike laccolith sill batholith
4 answers
1,326 views
Does "brother's" come before "brothers' " in A B C order?
1 answer
436 views
When one mole of CH3OH (l) forms from its elements at 1 atm and 25 degrees C, 238.6 kJ of heat are released, and 35.2 kJ are
3 answers
412 views
Melissa has 1/2 as much money as Paul. Tom has 3/5 as much money as Melissa. If Paul has $42 more than Tom, how much do the
3 answers
431 views
Hello! I'm looking over one of my tests and trying to see how to do things I got wrong, but I'm having trouble with three of the
2 answers
642 views
this isn't the same question as my last post!! it's the second out of three.
Hello! I'm looking over one of my tests and trying
2 answers
698 views
Find the solutions to the system.
y=x^2+5x+6 y=4x+12 A. (2,20) and (-3,0) B. (2,20) and (-3,-18) C. (-2,-20) and (-3,-18) D. no
6 answers
1,041 views
Of 20 girls 16 plays hockey,12 plays tennis and 4playsbusket every girl plays at least one game and 2plays all the three games
7 answers
2,676 views
During recrystalization of acetanilide, an orange solution of a compound in hot alcohol was treated in activated carbon and then
3 answers
842 views
“Do not put such unlimited power into the hands of the husbands. Remember, all men would be tyrants if they could. If
6 answers
592 views
a stone is release from a catapult with a speed of 50m/s attain a height of 100m/s .Calculate the time of flight
3 answers
472 views
The sum of Lisa's age and Myra's age is 19. In 10 years, Lisa will be 5 years older than Myra. How old is each girl now?
4 answers
1,851 views
which of the following are continuous for all real values of x?
I. f(x)= (x^2+5)/x^2+1 II. g(x)= 3/x^2 III. h(x)=|x| a) I only b)
4 answers
1,701 views
If lim x→0 f(x)=3 and lim x→0 g(x)=1, then find lim x→0 (f(x)+g(x))^2
a) 40 b) -4 c) 16 d) 28
2 answers
589 views
Which of the following must be true for the graph of the function
f(x)= (x^2-25)/5x-25) There is: I. a removable discontinuity at
3 answers
1,769 views
Evaluate lim x→1 f(x)
for f(x)= 5x-10,x<1 1 x=1 -3x - 2,x>1 Possible answers: a) 3 b) -5 c) 1 d) does not exist
2 answers
881 views
Select the best answer below:
lim x→∞ [ln(|x|-1)] / (cos(x))^x a) does not exist b) 1 c) -1 d) 0 Thank you very much for your
1 answer
360 views
At which position does the diver have the most gravitational potential energy?
A.) 1 ( in diving board about to jump off, in a
36 answers
16,743 views
A person of weight 820 N stands on one leg. The area of the foot in contact with the floor is 1.4 X 10^-2 m^2
a. Calculate the
4 answers
1,252 views
If the space below, provide the smaller of the two positive integers that add 30 and have the largest possible product.
Numerical
4 answers
2,678 views
A particle moves along the x-axis so that at time t its position is given by s(t)=(t+3)(t-1)^3,t>0.
For what values of t is the
1 answer
480 views
If f(-1)=-3 and f'(x)=(4x^2)/(x^3+3), which of the following is the best approximation for f(-1.1) using local linearization?
a)
3 answers
1,085 views
If f is continuous at x=c, then f is differentiable at x=c
True False
2 answers
704 views
Which of the following is the best linear approximation for
f(x)=cos(x) near x= π/2 ? a) y= x - π/2 b) y= -x + π/2 c) y= -x +
2 answers
1,138 views
If f is continuous at x=c, then f is differentiable at x=c
True False
2 answers
504 views
Which of the following is the best linear approximation for
f(x)=cos(x) near x= π/2 ? a) y= x - π/2 b) y= -x + π/2 c) y= -x +
2 answers
498 views
the local linear approximation of a function f will always be greater than or equal to the function's value if, for all x in an
6 answers
2,298 views
If f(x) is a continuous function defined for all real numbers, f(-1)=1, f(-5)=-10, and f(x)=0 for one and only one value of x,
3 answers
2,048 views
Use a graphing calculator to graph f(x)=(2x^2-8)/(x^2-6) and then select the response which is true
a) f increases without bound
3 answers
1,197 views
On Saturday, the fruit and juice bar was selling 25 glasses of fruit punch an hour. By 3 p.m., they had sold 125 glasses. If
2 answers
764 views
The position equation for a particle is s(t)=√t^3+1 where "s" is measured in feet and "t" is measured in seconds. Find the
4 answers
1,912 views
Use two rectangles of equal width to estimate the area between the graph of f(x) = x - cos(πx) and the x-axis on the interval
5 answers
3,251 views
Find the value of f on the top "9" on the bottom "1" x^2dx using four rectangles of equal width, with each left end-point used
2 answers
476 views
four times the sum of three consecutives odd integers is the same as 221 more than 5 times the largest integer. Find the
7 answers
678 views
Express the um using sigma notation:
1 +3/4 +5/9+ 7/16+ 9/25
6 answers
1,972 views
Use two rectangles of equal width to estimate the area between the graph of f(x)=x+sin( πx) and the x-axis on the interval
4 answers
4,260 views
Find the value of "f" on the top "9" and in the botton "1" x^2dx using four rectangles of equal width, with each left end-point
3 answers
454 views
Estimate the area under the curve f(x)=16-x^2 from x=0 to x=3 by using three inscribed (under the curve) rectangles. Answer to
4 answers
3,670 views
Find the velocity, v(t), for an object moving along the x-axis in the acceleration, a(t), is a(t)=cos(t)-sin(t) and v(0)=3
a)
4 answers
1,390 views
The base of a solid in the first quadrant of the xy plane is a right triangle bounded by the coordinate axes and the line x+y
3 answers
1,804 views
Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = sin(x), the
7 answers
2,943 views
Find the area of the region bounded by the graphs of y = x2 − 4x and
y = x − 4. a) - 4.500 b) 4.500 c) 2.333 d) None of these
9 answers
6,698 views
Which best describes how the Scientific Revolution impacted people’s views about politics and government?
(Select all that
4 answers
995 views
Find the distance, in meters, a particle travels in its first 10 seconds of travel, if it moves according to the velocity
4 answers
2,115 views
Find the velocity, v(t), for an object moving along the x-axis if the acceleration, a(t), is a(t) = cos(t) − sin(t) and v(0) =
1 answer
1,225 views
The base of a solid is the circle x^2+y^2=9. Cross sections of the solid perpendicular to the x-axis are semi-circles. What is
2 answers
1,293 views
Determine if the Mean Value Theorem for Integrals applies to the function f(x) = √x on the interval [0, 4]. If so, find the
4 answers
3,057 views
Find the area of the region bounded by the functions f(x) = x^4 and g(x) = |x|.
a) 1.3 b) 5.2 c) 0.6 d) None of these
5 answers
3,739 views
Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1+ √x, the y-axis, and the line y
4 answers
1,324 views
The base of a solid is the circle x^2 + y^2 = 9. Cross sections of the solid perpendicular to the x-axis are equilateral
4 answers
3,785 views
Given the position function, s(t)= (-t^3/3)+(13t^2 /2)-30t, between t=0 and
t = 9, where s is given in feet and t is measured in
4 answers
1,305 views
The base of a triangle is decreasing at the rate of 1 ft/sec, while the height is increasing at the rate of 2 ft/sec. At what
4 answers
4,376 views
Given f '(x) = (x − 4)(4 − 2x), find the x-coordinate for the relative maximum on the graph of f(x).
a) 12 m/sec; 22 m/sec^2
5 answers
964 views
Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at
3 answers
1,972 views
Find the area of the region bounded by the graphs of y = −x2 + 3x + 4 and
y = 4. a) 2.7 b) 4.5 c) 28.5 d) 16.5
2 answers
1,176 views
The base of a solid in the xy-plane is the circle x^2 + y^2 = 16. Cross sections of the solid perpendicular to the y-axis are
3 answers
1,242 views
The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x^2. Cross sections of the solid
3 answers
994 views
Determine if the Mean Value Theorem FOR INTEGRALS applies to the function f(x) = x3 − 4x on the interval [−1, 1]. If so,
4 answers
1,505 views
If f(x) = |(x^2 − 4)(x^2 + 2)|, how many numbers in the interval [0, 1] satisfy the conclusion of the Mean Value Theorem?
4 answers
582 views
The base of a solid is bounded by the curve y=√ x + 1, the x-axis and the line x = 1. The cross sections, taken perpendicular
4 answers
3,439 views
find F'(X) for F(X)=integral 1 to x √(t^3+1) dt
1 answer
304 views
Jody invested $4800 less in an account paying 5% simple interest than she did in an account paying 2% simple interest. At the
3 answers
1,275 views
The Gulf Stream is a warm ocean current that extends from the eastern side of the Gulf of Mexico up through the Florida Straits
4 answers
1,301 views
The particular solution of the differential equation dy/dt= 2y for which y(0) = 60 is
a) y= 60e^2t b) y= 60e^0.5t c) y= 59 + e^t
4 answers
3,049 views
The differential equation dy/dx = x/y^2
Possible answers: I. will have a slope field with negative slopes in quadrant I II. will
7 answers
4,085 views
The temperature of a pan of hot water varies according to Newton's Law of Cooling: dT/dt= -k (T - A), where T is the water
4 answers
2,734 views
Given the table below for selected values of f(x), use 6 left rectangles to estimate the value of : integral from 1 to 10 f(x)dx
4 answers
927 views
Function f(x) is positive, decreasing and concave up on the closed interval
[a, b]. The interval [a, b] is partitioned into 4
4 answers
2,454 views
The estimated value of the integral from 0 to 2 of x^2 dx , using the trapezoidal rule with 4 trapezoids is
a) 2.75 b) 5.50 c)
4 answers
2,326 views
Given the table below for selected values of f(x), use 6 left rectangles to estimate the value of integral from 1 to 10 f(x)dx
x
7 answers
2,982 views
Function f(x) is positive, decreasing and concave up on the closed interval
[a, b]. The interval [a, b] is partitioned into 4
4 answers
1,357 views
If dy/dx=cos^2(πy/4) and y=1 when x=0, then find the value of x when y=3
a) 1/8 b) -π/8 c) -8/π d) None of these
3 answers
2,109 views
Find the particular solution to y"=3sin(x) given the general solution
y=-3sin(x) +Ax+B and the initial conditions y (π/2)=π and
3 answers
1,670 views
If dy/dx=(xy^2) and if y=1 when x=0, then when y=3, x is equal to
a) 1/8 b) - π/8 c) 1 d) (2√3)/3
4 answers
1,233 views
If dy/dx= sin^2(πy/4) and y=1 when x = 0, then find the value of x when y = 3.
a) 0 b) 8/π c) -π/8 d) None of these
5 answers
2,179 views
Choose the appropriate table for the differential equation dy/dx=x-y
a) x -2, 0, 1 y -4, 1, 2 dy/dx 2,-1,-1 <---- my answer. Can
3 answers
1,712 views
The differential equation dy/dx=(x+1)/(x-2)
I. produces a slope field with horizontal tangents at x = −1 II. produces a slope
4 answers
3,849 views
For the function whose values are given in the table below, the integral from 0 to six of f(x)dx is approximated by a Reimann
4 answers
2,603 views
Newton’s law of cooling states that the rate of cooling of an object is proportional to the temperature difference between the
2 answers
1,140 views
Which of the following functions grows at the same rate as e^x as x goes to infinity?
a) e^(x+3) b) e^(3x) c) e^(2x) d) e^(-x)
4 answers
3,024 views
f(x) and g(x) are a differentiable function for all reals and h(x) = g[f(3x)]. The table below gives selected values for f(x),
1 answer
677 views
What does lim x-->∞ f(x)/g(x)=0 show?
a) g(x) grows faster than f(x) as x goes to infinity b) f(g) and g(x) grow at the same
5 answers
2,968 views
Use Euler's Method with three equal steps and y(1) = 1 to approximate y(1.3) for the differential equation dy/dx= x+y^2
a) 1.283
4 answers
1,249 views
Use Euler's Method with three equal step sizes to estimate the value of y(0.3) for the differential equation y ′ = y, with
7 answers
1,685 views
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