Questions Asked on
May 11, 2018

Calc
Find the linear approximation of the function g(x) = fifth root(1 + x) at a = 0. g(x)≈ 1+(x/5) Correct: Your answer is correct. Use it to approximate the numbers fifth root (0.95) and fifth root (1.1) (Round your answers to three decimal places.)
asked by Anonymous 
Calculus
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers c that satisfy the conclusion of Rolle's Theorem. (Enter your answers as a commaseparated list.) f(x) = sqrt(x) − (1/9)x, [0, 81] c=?
asked by Anonymous 
mathematics
if x square +14x + k is a perfect square find k
asked by augusta 
Calculus
The base of a solid is bounded by the curve y=sqrt(x+1) , the xaxis and the line x = 1. The cross sections, taken perpendicular to the xaxis, are squares. Find the volume of the solid a. 1 b. 2 c. 2.333 d. none of the above I got a little confused, but
asked by Anonymous 
Calculus
Write the integral in one variable to find the volume of the solid obtained by rotating the firstquadrant region bounded by y = 0.5x^2 and y = x about the line x = 7. I have to use the volume by disks method, but I'm confused about how to set it up and
asked by Anonymous 
English
1. I had a haircut yesterday. 2. I got a haircut yesterday. 3. I had my hair cut yesterday. 4. I got my hair cut yesterday. 5. I cut my hair yesterday myself.  Does #1 or #2 mean #3 or #4? Or Does #1 mean #5?
asked by rfvv 
Science
If 465 cm cube of sulphur(iv)oxide,can diffuse through porous partition in 30 seconds,how long will an equal volume , 620 cm cube of hydrogen sulphide take to diffuse through the same partition?(H=1, S=33, O=16)
asked by Temiloluwa 
Chemistry
You have at your lab bench the following chemicals: NaH2PO4(s), Na3PO4(s), NH4Cl(s), CH3COONa (s), 1.00 M NaOH, 1.00 M HCl, and deionized water. You also have standard glassware available. Describe how you would make 1.0 L of the buffer with a pH of 7.50
asked by Sarah Walker 
Calc
Consider the following. cos(x) + sqrt(y)= 1 (a) Find y' by implicit differentiation. y' = 2y^(1/2) sin(x) Correct: Your answer is correct. (b) Solve the equation explicitly for y and differentiate to get y' in terms of x. y' = ? (c) Check that your
asked by Anonymous 
Calculus
A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrientbroth medium divides into two cells every 20 minutes. The initial population of a culture is 69 cells. (a) Find the relative growth rate.
asked by Anonymous 
Calc
Find y'' by implicit differentiation. 5x2 + y2 = 3 y'' =?
asked by Anonymous 
math
Find the sequence of the first five partial sums S1, S2, S3, S4, and S5 of the geometric sequence by adding terms. 9, 12, 16, 64/3, 256/9,... S1 = S2 = S3 = S4 = S5 =
asked by Krystal 
history
How did Virginia’s population numbers change in the last half of the 1600s? A. The population fell due to increased disease and warfare with the Native Americans. B. New settlers arrived and replaced those who died from the harsh life and disease,
asked by anthony 
Calculus
A bacteria population is 3000 at time t = 0 and its rate of growth is 1000 · 6t bacteria per hour after t hours. What is the population after one hour? (Round your answer to the nearest whole number.)
asked by Anonymous 
Math
If vector u = 20 m due North and vector v =10 m at 30 degrees East of North, find u + v and u − v.
asked by Kasim 
Calculus
Evaluate the integral by interpreting it in terms of areas. 0 (3 +sqrt(1 − x2)) dx −1
asked by Anonymous 
writing
Assume that a new employee is taking over your job because you have been promoted. Identify a specific problem in the job that could cause difficulty for the new employee. Assume that you will need to write instructions for the employee to help him or her
asked by lauren 
Government
Would someone mind checking my answers? Thanks! (Answers at bottom) And if anyone is willing to explain the final two questions to me and maybe help, thatd be much appreciated. 1.) "In the late nineteenth century, political leaders in the United States
asked by Halibut 
Science
I need to make an acrostic poem for the word ECOSYSTEM and each letter has to be a phrase. I need help.
asked by Andres 
Calculus
Consider the following. cos(x) + sqrt(y)= 1 (a) Find y' by implicit differentiation. y' = Correct: Your answer is correct. (b) Solve the equation explicitly for y and differentiate to get y' in terms of x. y' = ? (c) Check that your solutions to parts (a)
asked by Anonymous 
Math
Solve the equation. X/4+1=5
asked by Music 
Physics
A photon a. is a quantum of light b. is a wave c. means bundle of energy(I think it's this one)
asked by Max 
Calculus
An object has a constant acceleration of 40 ft/sec^2, an initial velocity of −20 ft/sec, and an initial position of 10 ft. Find the position function, s(t), describing the motion of the object.
asked by Ronnie 
Math
You start a search for a buried object by marking the center of the field as (0,0), with coordinates giving distances in yards. Coordinates to the north or east are positive, and the coordinates to the south or west are negative. You find nothing at
asked by Music 
Math
Solve for unknown quantity in each proportion K/3 = 3/9 A 1 B 3 C 9 D 27
asked by Kyra 
physical science
How much work in N * m is done when a 10.0N force moves an object 2.5 m? a. 0.25 N*m b. 2.5 N*m c. 25 N*m d. 4.0 N*m please help me thank you so much!!
asked by daniella 
Calculus
Find the area of the region bounded by the curves y = sin^1(x/4) , y = 0, and x = 4 obtained by integrating with respect to y. Your work must include the definite integral and the antiderivative.
asked by Ronathan 
Calculus
A tank contains 2000 L of pure water. Brine that contains 15 g of salt per liter of water is pumped into the tank at a rate of 25 L/min. The concentration of salt after t minutes (in grams per liter) is C(t) = 15t/80 + t. As t → ∞, what does the
asked by Anonymous 
mathmatrices
You are given the 2x2 matrix M= (k 3) , where k is not 2. (0 2) i)Find the eigenvalues of M, and the corresponding eigenvectos. ii)Express M in the form UDU^(1), where D is a diagonal matrix. iii)Hence find the matrix M^n.
asked by Stephan 
English
What kind of complement is the underlined word? The campers gave their leaders a signed photograph. A. indirect object B. predicate adjective C. predicate nominative D. direct object
asked by #Loveislife 
Math
You can use triangle congruence theorems to prove relationships among tangents and secants. Task 1 Four tangents are drawn from E to two concentric circles. A, B, C, and D are the points of tangency. Name as many pairs of congruent triangles as possible
asked by Stacy.M 
Math preAlgebra please help
1 Jamal writes the letters KANSAS on cards and then places the cards in a hat. What is the probability an N? 1/3 1/5 5/1**** 6/1 2 Jennifer writes the letters MONTANA on a cards and then places the cards in a hat. what is probability of picking
asked by Joe:) 
social studies
Which quotation sums up Herbert Hoover's beliefs about government's role
asked by michey 
health
what chemical in your brain is most often associated with mood disorders? Is it serotonin or norepinephrine? They both can be associated with mood disorders, but which one of these neurotransmitters is the main one.
asked by Anonymous 
math
Find the indicated term of the geometric sequence. a1 = 7, a4 = 189/8 , 8th term
asked by Krystal 
Social Studies
1)What is one example of the way a rise in productivity during the 19 fifties improve the standard of living in the United States? It gave workers more time off It led to sharp increase in urbanization It led to the end of discrimination in the United
asked by name 
History
How did the Colombian Exchange encourage the growth of European colonies? I need some help with this question. I think it's because that the European ships brought animals and food and crops so that they could live and survive and thrive, therefore making
asked by Macaroni&Cheese 
physics
Find the force acting on a 12,500 kg F4 Phantom jet in the following situations (you will need to find the acceleration first) : 1. It is catapulted from rest to 250 km/hr in 2.2 seconds. Acceleration: (250/2.2) / 2.2 = 51.6 F = 12,500 * 51.6 = 645 645N Is
asked by catlover 
Math
A logarithmic function of the form f(x)= log_b x+c has an xintercept at x= 1 and a vertical asymptote at y= 0. Also, f(x) intersects with the line y= 1 when x= 8. What is f(x)? Is it log_8 x+1?
asked by Quinn 
History
I know i've been so bothersome but this is the last question to the exam , and this exam is the last class/lesson that i'll have for the rest of the school year. I understand if you don't help me. 24. How did Congressional political gridlock during
asked by Swimmer 
math
How do I find the volume of an oblique cone?
asked by Jonas 
Physics
Explain fully one pro and one con of nuclear energ
asked by Erica 
history
Why did Bacon’s Rebellion collapse? A. The Virginia governor declared Bacon and his men rebels. B. Bacon was defeated at Jamestown. C. The English stopped consuming tobacco. D. Its leader, Nathaniel Bacon, became sick and died. again D. is my answer. :)
asked by anthony 
6th Grade Math
Suppose you are driving to visit a friend in another state. You are driving 60 miles per hour. You must drive 480 miles total. If you have already driven 120 miles, how long will it take you to reach your destination? Use H to represent the number of hours
asked by Hi♥ 
math
if i had to make 24 oatmeal cookies with 2/3 cup of butter, how much butter would i need to make36 oatmeal cookies
asked by lynn 
physics
Can anyone please help me with this? : An electron of mass 9.11 x 10^31 kg is accelerated by a constant force along the direction of its motion from 2 x 106 m/s to 8 x 106 m/s within 2.00 cm. What is the magnitude of the force?
asked by Anonymous 
S.S
Lesson 10: Unit Test CE 2016 Social Studies 8 B Unit 6: Meeting New Challenges What was a common thread in the fall of communist regimes throughout Eastern Europe? A) a decline in education and health care B) poor economies and demands for more rights C) a
asked by Simon 
Calc
Find the differential of y=ln(sqrt(4+t^2). dy=?
asked by Anonymous 
physics
Can anyone please help me with answering this? : A person of mass 75 kg stands on a scale inside an elevator. What can you infer about the motion of the elevator if the scale reads 735N and 900N?
asked by pipe 
Science
solve the system of equations algebraically. show all your steps. y=x^2+2x y=3x+20 Can someone show me step by step on how to get the answer it's, there are answers like this that is going to be on my math test and I don'tget it.
asked by Jorge 
Calculus
Find all vertical and horizontal asymptotes of the graph of the function. (Enter your answers as a commaseparated list.) f(x) = 5 − 3x/5 + 8x
asked by Anonymous 
English
What kind of complement is the underlined word? After the yard sale ended, our garage looked empty. A. predicate adjective B. direct object C. indirect object D. predicate nominative Empty underline
asked by #Loveislife 
geography
In general will michigan or kansas have color weather? Why? I'm assuming Michigan but I not quite sure why? Why are place and events in Pittsburgh named three rivers? While three rivers go throughPittsburgh, but what is the significance to that?
asked by Anonymous 
English
1. Let's throw a surprise party for Henry. [What is the part of speech of 'surprise' in this sentence? A noun or an adjective?] 2. baseball field, baseball ground, baseball steadium, ballpark [Are they all the same in meaning? Which ones are frequently
asked by rfvv 
art
true or false john constable created hundreds of thumb nail sketches and studies before beginning a final piece
asked by DenisDaily 
Chemistry
The solubility product for Ni(OH)2(s) is 1.6 ✕ 10−16. Calculate the value of ℰ° for the following halfreaction. Ni(OH)2 + 2 e− → Ni + 2 OH − I have no idea what equation to use or how to solve this problem
asked by Elizabeth 
Calculus
The table gives the values of a function obtained from an experiment. Use them to estimate 9 f(x) dx 3 using three equal subintervals with right endpoints, left endpoints, and midpoints. x 3 4 5 6 7 8 9 f(x) −3.5 −2.1 −0.5 0.2 0.8 1.3 1.8 (c)
asked by Anonymous 
math
Guys please i need your help i am not getting the answer over the following questions. 1) Maria banked sh. 95,000 in her bank account. If the bank gives a simple interest of 17% per year, how much will she get after 3 years? 2) If Mollel got sh. 230,000
asked by kelvin 
Math
I need to justify how a base in a logarithmic function graph is a base. Here are the choices: The graph of f(x)= log_3 x+c must intersect with the line y= c+1 when x= 3. The graph of f(x)= log_3 x+c must intersect with the line y= c when x= 3. The graph of
asked by Quinn 
Calculus
Suppose that f(5) = 3, f '(5) = 4, g(5) = −6, and g'(5) = 1. Find the following values. (a) (fg)'(5) (b) (f/g)'(5) (c) (g/f)'(5)
asked by Anonymous 
algebra
What is the length of the hypotenuse of a right triangle if the two legs are 21 and 20?
asked by deja 
Micro economicstwo
Assume that the market demand and functions of the duopolies are p=1400.6Q,TC1=7q1,TC2=0.6q2the powerof 2
asked by Getachew 
English
Need help theirs 50 question please help me. What kind of complement is the underlined word? My father moved the plants into the greenhouse. A. indirect object B.direct object C.predicate nominative D.predicate adjective What kind of complement is the
asked by #Loveislife 
Algebra 1
Please help me with this math problem: divide (20x^212x+8)/(2x+8) these are the choices: A. 10x34+ 280/2x8 B. 10x+34+ 280/2x8 C. 10x+46+ 376/2x8 D. 10x46+ 376/2x+8 Thanks so much.
asked by daniella 
English
Can someone check my grammar and punctuation, please?
asked by Avery 
math
The marker costs 13 as much as the pen. The pen costs 13 as much as the book. The book costs 13 as much as the game. The price of the marker is what fraction of the price of the game?
asked by Ana 
geometry
The length of the small leg of a 30°60°90° triangle is 5. What is its perimeter?
asked by LARRY 
Math
There are 14 blue marbles 8 red marbles and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? 1: 24:8**** 2: 34:8 3: 8:34 4: 8:24 Can someone check my answers?
asked by AngelDabSwag 
Math
Carson is visiting the zoo on a field trip! While at the zoo, he sees a 10 foot tall adult elephant standing next to a 15 foot tall statue that is casting a 18 foot shadow. Carson wants to know the length of the elephant’s shadow. if you have the answer
asked by Grass 
Chemistry
For an exothermic reaction, what effect will increasing the temperature have on the equilibrium? A. There will be a shift toward the products. B. There will be a shift toward the reactants. C.There will not be a shift in equilibrium. D. Not enough
asked by Student 
English
favorite: most liked  Can the definition of 'favorite' be 'most liked'?
asked by rfvv 
Science
How does condensation on a mug compare with condensation on a metal pot after freezing then put at room temperature?
asked by Kiesha Campbell 
Math
Pete is folding paper for different projects. He has two triangular pieces of paper that he wants to create the same project with, but they have to be similar figures for it to work. Will Pete be able to create the same project with both pieces of paper?
asked by Grass 
math
23 of all your books are fiction. 16 of those are historical fiction. What fraction of all your books are historical fiction? Options: 1/9, 1/18, 1/3, 1/2
asked by Ana 
Physics
Hello, I'm totally lost on how to solve this physics problem. Where/how do I insert the variables?? "Light travels from one material with a refractive index (n1=1.5) to another material with refractive index (n2=1.7). If it strikes the surface at a 45°
asked by Mariam 
school
Does any one have any tips on how to stay focused and be productive while homeschooling ? I am supposed to be taking a Unit review test right now but I cant make myself do it.
asked by connections academy 
Algbra 1
x varies directly with y and z x=1200,when y=20 and z=30. Find x when y=10 and z=20
asked by Riley 
Math
Use integer values of x from 3 to graph the equation. y = x 1. pic with 2 lines forming a v coming down from the top and ending at the origin. Very wide line. 2. pic with that image just upside down 3. pic with 3. but a thinner line range 4. Pretty
asked by Anonymous 
Physics
The atomic number of an element is determined by the number of electrons in the nucleus of the atom. True False*** The motion of electrons can be predicted precisely. True False*** Leptons are found in the nucleus of atoms. True False*** Matter can change
asked by Max 
history
Which Roman emperor ended the persecution of Christians?
asked by connexus kid 
Math
If 2y to the power of 10 =25,find y to the power of 10
asked by Ash 
Maths
Construct a parallelogram AB is 8cm ABC is 120 degrees and BC is 5cm
asked by Lala 
Math
1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2. Design a fair race in which the two animals have an equal chance of winning if they race at their top
asked by Oof 
Algebra 1
Hi I really need help with this problem, thanks. Divide (20x^212x+8)/(2x+8) these are the choices: A. 10x34+ 280/2x8 B. 10x+34+ 280/2x8 C. 10x+46+ 376/2x8 D. 10x46+ 376/2x+8 Thanks so much.
asked by daniella 
poetry
The two executioners stalk along over the knolls. Bearing two axes with heavy heads shining and wide. And a long limp twohandled saw toothed for cutting great boles. And so they approach the pound tree that bears the deathmark on its side. Jackets doffed
asked by milli 
English
Can someone check some sentences for grammar and punctuation errors? Also, what are your hours?
asked by Avery