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Leanna

Questions (75)

Hi,Could use some help with this question. Thanks!!! A hammer is dropped, as an experiment, on the surface of a newly discovered
1. 1 answer
2. 207 views
Soundex produces x Model A radios and y Model B radios. Model A requires 15 min of work on Assembly Line I and 10 min of work on
1. 1 answer
2. 2,165 views
A smokestack deposits soot on the ground with a concentration inversely proportional to the square of the distance from the
1. 1 answer
2. 4,453 views
The table below shows some values of a linear function f and an exponential function g. Fill in exact values for each of the
1. 1 answer
2. 3,198 views
Suppose that f(t)=Qoa^1=Qo(1+r)^t with f(4)=72.2 and f(10)=176.7. Find what a is and what r is.
1. 1 answer
2. 456 views
A sample of nitrogen gas was collected via water displacement. Since the nitrogen was collected via water displacement, the
1. 0 answers
2. 1,311 views
A sample of nitrogen gas was collected via water displacement. Since the nitrogen was collected via water displacement, the
1. 1 answer
2. 866 views
Experiment 1 results:mass of crucible 88g mass of hydrate 93g mass of salt 91.196g 1. Calculate the following: a:mass of water
1. 2 answers
2. 1,716 views
Experiment 1 results:mass of crucible 88g mass of hydrate 93g mass of salt 91.196g 1. Calculate the following: a:mass of water
1. 0 answers
2. 749 views
Two 2.9-cm-diameter electrodes with a 0.15-mm-thick sheet of Teflon between them are attached to a 9.0 V battery. Without
1. 1 answer
2. 902 views
Suppose you wish to make a vertical leap with the goal of getting your head as high as possible above the ground. At the top of
1. 2 answers
2. 854 views
A combination lock has a 1.2 cm -diameter knob that is part of the dial you turn to unlock the lock. To turn that knob, you grip
1. 1 answer
2. 2,142 views
A combination lock has a 1.2 cm -diameter knob that is part of the dial you turn to unlock the lock. To turn that knob, you grip
1. 0 answers
2. 762 views
1. At what height above the earth is the free-fall acceleration 30% of its value at the surface?2. What is the speed of a
1. 1 answer
2. 1,822 views
The ultracentrifuge is an important tool for separating and analyzing proteins in biological research. Because of the enormous
1. 1 answer
2. 1,533 views
A conical pendulum is formed by attaching a 0.60kg ball to a 1.0m -long string, then allowing the mass to move in a horizontal
1. 1 answer
2. 1,204 views
A fast-moving superhero in a comic book runs around a circular, 70-m-diameter track five and a half times (ending up directly
1. 2 answers
2. 3,392 views
A 20 kg crate is placed on a horizontal conveyor belt. The materials are such that us = 0.47 and uk = 0.21.What is the maximum
1. 1 answer
2. 17,251 views
A 23 kg child goes down a straight slide inclined 38 degrees above horizontal. The child is acted on by his weight, the normal
1. 4 answers
2. 5,792 views
I have the linear formula of CH3CH2OLi and I'm trying to draw the structure with charges. Not really sure how. Please help.
1. 1 answer
2. 1,085 views
The size of a bacteria population is given by P=C*e^(kt) Where C is the initial size of the population, k is the growth rate
1. 1 answer
2. 657 views
With her box of 64 crayons, your little sister decides to draw a picture of the family: herself, you, and your parents. How many
1. 1 answer
2. 641 views
With her box of 64 crayons, your little sister decides to draw a picture of the family: herself, you, and your parents. How many
1. 1 answer
2. 997 views
You are supposed to add 0.1 mol of a substance with molecular weight = 354.9 to 1 liter of water. How much should you add?
1. 2 answers
2. 825 views
In goats, the allele for black hair is dominant to that for red. Two black haired goats mated, producing twelve offspring. Of
1. 1 answer
2. 958 views
When pi/2<theta<3pi/4, which of the following could possibly be tan theta.a. -8 b. -1/8 c. 0 d. 1/8 e. 8
1. 4 answers
2. 1,996 views
I need help solving this problem.logbase5(x+2)=2
1. 3 answers
2. 397 views
I don't know how to do the integral of e^(lnx^2)dx and the integral of (sin sqrtx)/(sqrtx) dx
1. 5 answers
2. 756 views
I need help with integrals and I need help with the problem.Integral of 4/sqrt(x)dx
1. 4 answers
2. 444 views
How do you do long division of((5x^4)-2)/(3x^2) _______ 3x^2|5x^4-2
1. 1 answer
2. 430 views
I previously posted this but had a mistake in it.Determine dy/dx if xsiny=arctany i did (x)(cosy dy/dx)+(1)(siny)=dy/(1+y^2) so
1. 0 answers
2. 422 views
Determine dy/dx if xsiny=artanyi did (x)(cosy dy/dx) so far
1. 0 answers
2. 408 views
Find the total area enclosed by the graph of y=(e^sinx)*(cosx) and the x-axis from x=0 to x=piI got .0563331993 but when I
1. 2 answers
2. 859 views
Let f be the function defined for x >or= to 0 with f(0)=5 and f', the first derivative of f, give by f'(x)=e^(-x/4)sin(x^2).A)
1. 0 answers
2. 975 views
A cubic polynomial function f is defined by f(x) = 4x^3 + ax^2 + bx + k?A cubic polynomial function f is defined by: f(x) = 4x^3
1. 1 answer
2. 3,376 views
A cubic polynomial function f is defined by f(x) = 4x^3 + ax^2 + bx + k?A cubic polynomial function f is defined by: f(x) = 4x^3
1. 0 answers
2. 1,113 views
Let f be a twice-differentiable function such that f(2)=5 and f(5)=2. Let g be the function given by g(x)= f(f(x)).(a) Explain
1. 1 answer
2. 5,521 views
So for each of the statements we have to write true or rewrite the part in Caps to make the sentence true. I'm only stuck on a
1. 3 answers
2. 817 views
Consider the curve given by x^2+4y^2=7+3xya) Show that dy/dx=(3y-2x)/(8y-3x) b) Show that there is a point P with x-coordinate 3
1. 3 answers
2. 9,814 views
Find all points on the graph of f(x)=xe^x at which the tangent line is parallel to the line y-3x=4.i figured out that f'(x)=3
1. 1 answer
2. 498 views
Find all points on the graph of f(x)=xe^x at which the tangent line is parallel to the line y-3x=4.i figured out that f'(x)=3
1. 0 answers
2. 511 views
A particle moves along the x-axis with position at time t given by x(t)=e^(-t)sin(t) for 0 is less than or equal to t which is
1. 1 answer
2. 3,829 views
A particle moves along the x-axis with position at time t given by x(t)=e^(-t)sin(t) for 0 is less than or equal to t which is
1. 0 answers
2. 760 views
A particle moves along the x-axis with position at time t given by x(t)=e^(-t)sin(t) for 0 is less than or equal to t which is
1. 0 answers
2. 647 views
A particle moves along the x-axis with position at time t given by x(t)=e^(-t)sin(t) for 0 is less than or equal to t which is
1. 0 answers
2. 594 views
We have to find out which of these statements are true. I narrowed it down to 2 answers.a) if f"(0)=0, the the graph of f
1. 2 answers
2. 549 views
We have to pick which sentence the vocabulary word is used incorrectly.Vocab Word: Verity a) Many people trusted the VERITY of
1. 1 answer
2. 577 views
We have to find the synonym of the word in bold. I have a few choices but I'm stuck between two..The words in bold are incumbent
1. 4 answers
2. 889 views
When a ball is thrown straight down from the top of a tall building, with initial velocity 30 ft/sec, the distance from the
1. 1 answer
2. 933 views
When a ball is thrown straight down from the top of a tall building, with initial velocity 30 ft/sec, the distance from the
1. 0 answers
2. 1,103 views
It says find the numbers, if any, at which the given function is discontinuous.f(x)=abs(x+2) *abs - absolute value f(x)=e^xsinx
1. 2 answers
2. 612 views
It says find the numbers, if any, at which the given function is discontinuous.f(x)=abs(x+2) *abs - absolute value f(x)=e^xsinx
1. 0 answers
2. 536 views
Society operates more efficiently if government power is centralized. What reasons exist for continuing federalism in its
1. 1 answer
2. 1,003 views
So we just started reading Beowulf at school and we're around ch 8. Our question to answer was Whose account of Beowulf and
1. 0 answers
2. 1,064 views
I have to do a 5 minute presentation on George Washington and I have to focus on his contributions towards the Constitution. All
1. 0 answers
2. 681 views
If the function f is defined by f(x)=x^2-2x, find limit h->0(f(3+h)-(f(3-h))/2h
1. 1 answer
2. 526 views
Sorry for bothering you on this one question but I just replied to my original problem if you could help me with that.
1. 1 answer
2. 509 views
This has to do with my last Calculus problem. I need help on it..The part I replied to after you answered the question.
1. 2 answers
2. 788 views
If the function f is defined by f(x)=x^2-2x, find limit h->0(f(3+h)-(f(3-h))/2h
1. 5 answers
2. 915 views
If the solutions of f(x)=0 are 1 and -2, then the solutions of f(2x)=0 area)1 and 2 b) 1/2 and -1 c) 2 and -4 d)-2 and 4 2)-1/2
1. 1 answer
2. 754 views
If f(x)=1-x^3 and f^-1 is the inverse of f, how many solutions does the equation f(x)=f^-1(x) have?a)none b)one c)three d)five
1. 2 answers
2. 941 views
If x=1 and x=2 are zeros of f(x)=3X^3+Ax^2+Bx+2, then the value of A+B is a)1, b)-1, c)9, d)-9, e) cannot be determinedI think
1. 1 answer
2. 543 views
A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3
1. 1 answer
2. 757 views
A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3
1. 1 answer
2. 583 views
A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3
1. 0 answers
2. 486 views
Solve for x if 5+lnx=14/lnx.
1. 3 answers
2. 1,010 views
A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3
1. 3 answers
2. 669 views
If f is a polynomial function of degree 3 with the numbers 4,5, and -6 as zeros, and if f(1)=-210, determine the formula for
1. 1 answer
2. 643 views
In 1951, the population of India was 357 million people. By 1981 it had grown to 984 million. If the population is growing
1. 2 answers
2. 942 views
In 1951, the population of India was 357 million people. By 1981 it had grown to 984 million. If the population is growing
1. 2 answers
2. 1,312 views
Label each statement TRUE or FALSE.a. The sum of two one-to-one functions is one-to-one. b. The product of two one-to-one
1. 2 answers
2. 2,100 views
Label each statement TRUE or FALSE.a. The sum of two one-to-one functions is one-to-one. b. The product of two one-to-one
1. 0 answers
2. 498 views
The population of New Hampshire was 1 million in 1990. It doubles every 25 years. Estimate the population in 1996.
1. 2 answers
2. 602 views
In 1951, the population of India was 357 million people. By 1981 it had grown to 984 million. If the population is growing
1. 4 answers
2. 749 views
What are 3 examples of graphing natural phenomenas? How would you predict their future occurences?One could graph the occurance
1. 0 answers
2. 649 views

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