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Erica
Questions and answers by
Erica
, page 2
Questions (399)
t(sec) | 0 | 2 | 4 | 6 | 8 |
____________|_____|_____|_____|____|_____| a(t) (ft/sec²) | 2 | 3 | 4 | 3 | 2 | The table for the
3 answers
948 views
If f is the function defined by f(x) = cube root of (x² + 4x) and g is an antiderivative of f such that g(5)=7, then g(1) is
3 answers
1,177 views
The amount A(t) of a certain item produced in a factory is given by
A(t) = 4000 + 48(t - 3) - 4(t - 3)³ where t is the number of
4 answers
2,233 views
Find the inverse of y = ln (x/(x-1))
1 answer
463 views
The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the
4 answers
9,706 views
A body of an unknown temperature was placed in a room that was held at 30°F. After 10 minutes, the body's temperature was 0°F,
4 answers
2,942 views
1. solve sqrt (11-x) = sqrt(x-7)
choices are 6,7,8 or9 I think according to my calcs the answer is (9) The range of f(x) =
1 answer
467 views
You push a 67 kg box across a floor where the coefficient of kinetic friction is uk = .55. The force you exert is horizontal.
7 answers
4,989 views
You throw a glove straight upward to celebrate a victory. Its initial kinetic energy is K and it reaches a maximum height H.
7 answers
7,185 views
Movement of bones in the skeletal system is made easier because of the existence of connections between bones called. JOINT
Organ
2 answers
617 views
Urine passes from the bladder to the outside of the body through a tube called the .Urethra
Muscles are attached to bones by
2 answers
784 views
Find the limit as x approaches π of (cos x +1)/(x-π)
1 answer
309 views
Find the limit as h approaches 0 of sin²(3x+3h) - sin²(3x) / h
1 answer
387 views
Find the limit as x approaches 0 of (sin x)/(x + tan x)
1 answer
439 views
Limit as x approaches +∞ of x sin (1/x)
1 answer
332 views
If y = (sec x)/(tanx), then dy/dx = ?
1 answer
284 views
If y = (cos²x)/(1 + sin x), then dy/dx = ?
1 answer
454 views
y = x^2
y = 6 - x Find the area of the region by integrating (a) with respect to x and (b) with respect to y.
1 answer
483 views
y = x^2
y = 6 - x Find the area of the region by integrating (a) with respect to x and (b) with respect to y.
1 answer
401 views
Various values for the derivative, f'(x), of a differentiable function f are shown below.
x=1, f'(x) = 8 x=2, f'(x) = 4 x=3,
2 answers
852 views
A rectangular box, with a square base and open at the top is to be constructed. If the volume of the box needs to be 108 cubic
3 answers
1,778 views
Given function f defined by f(x) = ( 1- x)³. What are all values of c, in the closed interval [0,3], that satisfy the
4 answers
2,466 views
The slope of a curve at each point (x,y) is given by 4x - 1. Which of the following is an equation for this curve if it passes
1 answer
1,148 views
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis.
y = sin
1 answer
456 views
How do you integrate sin²x?
2 answers
1,149 views
What is the area of the region located between the graphs of y = -x² + x + 4 and y = 2?
Thank you so much!
2 answers
578 views
What is the area bounded by the graphs of y = 4x - x² and y = x?
Thank you!!
1 answer
443 views
Find the arc length of the graph of the function over the indicated interval.
y = (x⁵/10) - (1/(6x³)) , [1,20] Thank you so
1 answer
512 views
Set up and evaluate the definite integral for the area of the surface generated by revolving the curve about the x-axis.
y =
4 answers
2,036 views
Set up and evaluate the definite integral for the area of the surface generated by revolving the curve about the y-axis.
y = cube
3 answers
789 views
On one of my tests they are asking me if Symboin pandora has a symbotic reletionshio with the Norway Lobster. In my lesson the
4 answers
1,165 views
Is predator-prey the most important ecological relationship? Thanks everyone!
1 answer
372 views
The base of a solid is a circle of radius a, and its vertical cross sections are equilateral triangles. The volume of the solid
3 answers
1,273 views
What is the antiderivative of dy/dx = x/(x^2 + 1)?
1 answer
349 views
Find the indefinite integral.
Integral of (x+1)/(√(x²+2x-4))dx Thank you for your help!
1 answer
321 views
Find the indefinite integral.
Integral of (2x)/(x-4)dx Thank you so much!
1 answer
318 views
Find the indefinite integral.
Integral of [1/(4+3x²)]dx Thank you so much for your help!
1 answer
359 views
If the substitution u=x^2 + 1 is made, then the integral from 0 to 2 of [(x^3)/(x^2 + 1)]dx = ?
Thank you for your help!
1 answer
406 views
Let f(x) = x^3 - 7x^2 + 25x - 39 and let g be the inverse function of f. What is the value of g'(0)?
4 answers
898 views
If n is a positive integer, find the limit as n approaches +∞ of 1/n(sin (π/n) + sin (2π)/n + ... + sin (nπ)/n)
2 answers
542 views
If dy/dx = xy - y^2 and y(1) = 3, then y (2) = ?
3 answers
322 views
A rectangle is to be inscribed in a semicircle of radius 8, with one side lying on the diameter of the circle. What is the
3 answers
1,563 views
If dy/dt = 2y/(t(t+2)) for t>0 and y = 1 when t = 1, then when t = 2, y = ?
1 answer
207 views
The line y = mx+b with b≥2 is tangent to the graph f(x) = -2(x-2)² + 2 at a point in the first quadrant. What are all
3 answers
764 views
I have to find the integral of 1/(sq. rt. of (4x-x²)) dx. I know I have to complete the square of the denominator, but im
2 answers
536 views
What is the percentage of potassium chloride to oxygen?
1 answer
404 views
What is the percentage of potassium chloride to oxygen?
1 answer
329 views
Christopher Columbus' treatment of Native Americans can BEST be described as friendly, peaceful but not friendly, violent&
1 answer
422 views
What is the limit as x approaches infinity of 4xsin(1/x)?
Can you also show me how you get the answer? Thank you so much!!
2 answers
932 views
Use differentials to approximate the change in the volume of a cube when the side is decreased from 8 to 7.99 cm. (in cm^3)
Thank
2 answers
766 views
Use differentials to approximate the change in the volume of a cube when the side is decreased from 8 to 7.99 cm. (in cm^3)
Thank
4 answers
4,440 views
Find the integral from 1 to 0 of arcsin(x)dx
Thank you!
1 answer
386 views
If a particle moves in the xy-plane so that at time t>0 its position vector is (e^(t²), e^(-t³)), then its velocity vector at
4 answers
1,963 views
What is the volume of the solid generated by rotating about the y-axis the region enclosed by y=sinx and the x-axis, from x=0 to
2 answers
1,154 views
If f(x)= (3x)^(3x), then f'(x) = ?
Thank you!
1 answer
297 views
A particle moves along a path described by x=cos³t and y=sin³t. The distance that the particle travels along the path from t=0
3 answers
1,214 views
The rate that an object cools is directly proportional to the difference between its temperature ( in Kelvins) at that time and
4 answers
1,281 views
To what limit does the sequence Sn = (3+n) /3^n converge as n approaches infinity?
1 answer
508 views
How do you know what shape the graph in the xy-plane represented by x=3sin(t) and y=2cos(t) is?
4 answers
688 views
A company with a large fleet of cars found that the emissions systems of 18 out of the 65 randomly selected cars they tested
4 answers
1,603 views
the wealth that enabled the Italian city-states to lead in the development of Renaissance arts was derived mainly from?
a)the
13 answers
3,248 views
Simplify: (3c^2)(-6cd)^-2
1 answer
276 views
Simplify: a^4-b^4/a-b
1 answer
298 views
The Greek base HELI- means?
3 answers
564 views
A mixture of gases at 760.0 torr contains 35.0% nitrogen, 22.0% oxygen , and 43.0% carbon dioxide by volume. What is the
2 answers
850 views
A satellite orbiting at an elevation of 3200 km does what
a) Stays beyond the earth's gravity, which is why it stays up there. B)
3 answers
802 views
When the following are placed in water, for which of them will the buoyant force be more than as its weight?
A) an ice cube B) a
1 answer
437 views
When the following are placed in water, for which of them will the buoyant force be more than as its weight?
A) an ice cube B) a
2 answers
483 views
What is the pressure at the bottom of a tube of mercury that is 0.2 m deep?
An elephant with a mass of 1000 kg stands on a circus
2 answers
590 views
I have to write a 700 word essay on what my name means ????????????? And I need help!!!!
4 answers
600 views
I need to write a 700 word essay on what my name means. Can I please get some help!!!
1 answer
437 views
Journalize the following transactions
-Received cash from investment made by owner,$15000. Received cach providing accounting
2 answers
547 views
Hi I have a speech to present and my professor gave me the outline on how to prepare it but I'm having a hard time setting it
7 answers
502 views
Assume that a>0. Evaluate the integral from 0 to a of x dx by approximating the region bounded by y=x and the x-axis from 0 to a
1 answer
404 views
if a car can accelerate at 6m/s2, how fast can it accelerate if it is towin an identical car behind it?
1 answer
431 views
Epsom salts consist of magnesium sulfate heptahydrate. Write its formula.
a) How many atoms of oxygen are in 5.15g of Epsom
4 answers
2,533 views
Calculate the amount (in moles) of Cu²+ ions in 3.00g of CuBr₂.
Thank you so much for the help!!
1 answer
449 views
The field of nanotechnology offers some intriguing possibilities, such as the creation of fibers one atom wide. Suppose you were
4 answers
1,780 views
Calculate the amount (in moles) of H₂O in 2.00g of Na₂CO₃ ⋅ 10H₂O.
Thanks so much!!
2 answers
709 views
Find the areas of the regions bounded by the lines and curves by expressing x as a function of y and integrating with respect to
3 answers
571 views
Recall that the acceleration a(t) of a particle moving along a straight line is the instantaneous rate of change of the velocity
2 answers
574 views
A particle moves along the x-axis with velocity
v(t) = -(t-3)² + 5 for [0,6]. a) Find the average velocity of this particle
4 answers
572 views
The production process of computer parts uses two machines one old & one new. If the old machine is used the probability that
2 answers
802 views
F(x) = cos(x) • the integral from 2 to x² + 1 of
e^(u² +5)du Find F'(x). When i did this, i got: -2xsin(x)e^((x²+1)² + 5)
2 answers
585 views
Use integration by parts to evaluate the integral.
∫ from 1 to 4 of (√x) (ln√x) dx Im not really sure what to choose for u
1 answer
435 views
First make an appropriate substitution and then use integration by parts to evaluate the indefinite integrals:
∫ sinx cos³x
2 answers
549 views
Use either substitution or integration by parts to evaluate the integral:
∫(x+2)/(x²+2) dx Thank you!!
1 answer
489 views
Evaluate the indefinite integral:
∫ from 1 to 2 of ln (x²e^x) dx Thank you for your help!!
3 answers
384 views
Use substitution to evaluate the indefinite integral:
The integral of [ (sq. root (1 + ln x)) ((ln x)/x) dx] Im confused on what
2 answers
1,010 views
How do you integrate 3∫(1)/(x²+1)² dx ?
Thank you!
1 answer
323 views
How do you solve the integral from 0 to 1 of x arctan x dx?
1 answer
372 views
Find the integral from -∞ to -1 of 1/(1+x²) dx.
I started working the problem out, and so far I got the lim as z→-∞ of
2 answers
515 views
Suppose that you follow the size of a population over time. When you plot the size of the population versus time on a semilog
4 answers
asked by
Erica
1,952 views
What is the limit as t→∞ of L(t)?
L(t) = 34 - 32e^(-0.0719t) Thank you so much!
1 answer
375 views
How do you take the integral of dy/(y^2 + 4)?
1 answer
393 views
Solve:
du/dt = (sin t) / (u^2 + 1) So far I got: arctan u = -ln |csc t + cot t| + C I'm not sure where to go from there. Thank
1 answer
348 views
Describe in words the set of all points in R³ that satisfy the following expressions:
a) z=0 b) z≥0 c) y≤0
1 answer
357 views
Find the value of c that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial.
3 answers
1,764 views
From 1990 to 1994, the mail order sales of
health products in the United States can be modeled by S = 10t 3 + 115t 2 + 25t + 2505
2 answers
696 views
Automated chemical synthesis of DNA has made it possible to custom-order moderate length DNA sequences from commercial
2 answers
561 views
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