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February 27, 2017

Homework Help: Health: First Aid

Recent Homework Questions About First Aid

Calculus AB
The position function of a particle in rectilinear motion is given by s(t) = 2t^3 - 21t^2 + 60t + 3 for t ≥ 0. Find the position and acceleration of the particle at the instant when the particle reverses direction. Include units in your answer. So I've already gotten the ...
Tuesday, December 13, 2016 by Anon

a.p.
the sum of four terms of an a.p. is 4 and the sum of product of first and last term and product of middle terms in -38, then find the numbes.
Monday, December 12, 2016 by warnar

Pre-Calculus
The cost of sending a package overnight is $14.40 for the first pound and $3.90 for each additional pound or portion of a pound. A plastic mailing bag can hold up to 3 pounds. The cost f(x) of sending a package in a plastic mailing bag is given by the following function, where...
Monday, December 12, 2016 by Iris

Calculus
the sum of three positive numbers is 40. The first plus three times the second plus four times the third add up to 80. Select the numbers so that the product of all three is as large as possible.
Monday, December 12, 2016 by Nick

Algebra
Hello....I was helped on this question earlier, but I don't understand why we divide by 2? Please help, please see the below: The president will order 5 turkey sandwich combos and 7 steak lunches and spends $124.00. The other president will get 10 turkey combos and 5 steak ...
Monday, December 12, 2016 by Mary

PLS HELP REAL BAD, I COULD FAIL!
A store is having a 10%-off sale. It gives an additional 10% off if the item is still above $100 after the first discount. A jacket costs $199.99. Will you get the second discount and if so, how many dollars will you save in total? Could anyone give me a straight answer, I ...
Monday, December 12, 2016 by HueHueHue

Pre-Calculus
Find first differences for the sequence in order from a_1 to a_5. Determine whether or not the series is quadratic or not.(I used _ as a sign for a subscript) -1, -3, -1, 5, 15 A. 2, 2, 6, 10; not quadratic B. 2, 2, 6, 10; quadratic C. -2, 2, 6, 10; not quadratic D. -2, 2, 6, ...
Monday, December 12, 2016 by Sade

SS
For questions 1-10 choose the letter of the answer that matches the description. Not all letters will be used. A. sectionalism B. Missouri Compromise C. Andrew Jackson D. John C. Calhoun E. Articles of Confederation F. cabinet G. tariff H. treason I. Daniel Webster J. ...
Monday, December 12, 2016 by .

SC state history
note: not all letters will be used. a. sectionalism b. missouri compromise c. andrew jackson d. john c. calhoun e. articles of confederation f. cabinet g. tariff h. treason i. daniel webster j. louisiana purchase k. nationalism l. thomas jefferson 1. the first constitution of ...
Monday, December 12, 2016 by chloe

8TH GRADE MATH
A SOFTBALL DIAMOND IS A SQUARE WITH SIDES OF 60 FT LONG. HOW FAR IS THIRD TO FIRST BASE. ROUND TO THE NEAREST HUNDRETH. SO FROM THIRD TO FIRST IT WILL FORM A RIGHT TRIANGLE. THE LEGS ARE 60 TO 2ND POWER + 60 TO THE 2ND POWER. THE HYPOTENUSE IS WHAT I DON'T KNOW TO FIGURE OUT.
Monday, December 12, 2016 by DRE

Chemistry (percent abundance) *emergency*
If the average atomic mass of Br is 79.90 amu, what is the percent abundance of each of its isotopes? How would we figure out the isotopes first before we calculate the percent abundance??
Monday, December 12, 2016 by Ray

Pre-Calculus
Which of the following shows the correct first step to prove the following by mathematical induction? 3 + 11 + 19 + 27 + … + (8n - 5) = n(4n - 1) A. 3 + 11 + 19 + 27 + … + (8 • 1 - 5) = 1(4 • 1 - 1) B. 8 • 1 - 5 = 1(4 • 1 - 1) C. 3 + 11 + 19 + 27 + … + (8k - 5...
Sunday, December 11, 2016 by Iris

Algebra
Can you please help me with this problem: The x-intercept of a line has a value of -3/2 and a y intercept of 3. Another line has a slope that is three times the slope of the first line and has a y-intercept that is 28 more than the first line's y-intercept. What is the ...
Sunday, December 11, 2016 by Lucille

Zoology
Azaleas are flowering shrubs that produce numerous colorful blossoms. Assume that a single gene determines the color of the flowers, and only two alleles for that gene exist. Individuals that are homozygous for the first allele have yellow flowers and individuals that are ...
Sunday, December 11, 2016 by Lara

History
1. Which answer best explains how the Articles of Confederation addressed the question of creating a court system? The Articles established the trial-by-jury system for the first time in history. The Articles created state, regional, and national courts throughout the land...
Sunday, December 11, 2016 by Caitlyn - Please help

US HISTORY - Help please
Which answer best explains how the Articles of Confederation addressed the question of creating a court system? The Articles established the trial-by-jury system for the first time in history. The Articles created state, regional, and national courts throughout the land.*** ...
Sunday, December 11, 2016 by Caitlyn

Algebra
The sum of 3 integers is 194. the sum of the first and second integers exceeds the third by 80. The third integer is 45 less than the first. Find the three integers
Saturday, December 10, 2016 by Teena

math
F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the unit normal vector,n on S is 3z/(surds14), compute the flux of F(x,y) over the surface S in the first octant oriented upward using the projection of ...
Saturday, December 10, 2016 by Adam

Math (calculus) (mean values)
A company introduces a new product for which the number of units sold Ss given by the equation below, where t is the time in months. s(t) = 155(7-(9/(2+t))) a) Find he average rate of change of s(t) during the first year. I got the answer to be 1395/28 b) During what month of ...
Saturday, December 10, 2016 by Ray

math
F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the unit normal vector,n on S is 3z/(surds14), compute the flux of F(x,y) over the surface S in the first octant oriented upward using the projection of ...
Saturday, December 10, 2016 by Adam

Math
1. For a particular year, a company has gross annual income of $780,000, annual expenses of $270,000, and allowed depreciation of $60,000. The company is located in a state where the first $200,000 corporate income is tax-free, and any income above that is taxed at a State ...
Saturday, December 10, 2016 by Anonymous

Algebra
Can you please help me with this problem: The x-intercept of a line has a value of -7/6 and a y-intercept of 7. Another line has a slope that is twice the slope of the first line an a y-intercept that is 15 more than the first lines' y-intercept. What is the product of the ...
Saturday, December 10, 2016 by Chris

Business Math ( Future ordinary Annuities)
Howard has deposited RM1000 at the end of each month into a retirement savings plan for the last 10 years in his working life. His deposits earned an interest rate of 2.5% per month for the first 4 years and 3% per month for the rest of the years. What is the accumulated value...
Saturday, December 10, 2016 by Tracy

language arts
Could you check my answer please..thank you Which of the following sentences contains a linking verb? A. Yesterday, Sarah experienced rock climbing for the first time.xxx B. Sarah seemed nervous at first. C. She climbed very well for a beginner. D. I think Sarah wants to go ...
Saturday, December 10, 2016 by Justin

alg 2 first final study guide
f (x) =2X^3 + 2x^2 - 3x + 2 please help me set up to find all the real number zeros of the function
Friday, December 9, 2016 by danny

math
There are ten children standing in the line, not all of whom have the same number of cakes with them. If the first child distributes his cakes to the remaining six children such that he doubles their respective number of cakes, then he will be left with four cakes. Instead, if...
Friday, December 9, 2016 by sagar rajput

English
Read the following passage. Then answer the questions that follow. THE OLYMPIC SWIMMER Who will be the winner bold? Athletes from both far and near Train and Strain to be the best. But who will win the medal gold? Swimmers swivel, splash, and kick Back and forth in a clear, ...
Thursday, December 8, 2016 by Marylyn

MATH
Plan A no initial fee and $75 per month Plan b $50 per Month for the first 12 months and 125 per month for each additional month after that, what is the equation?
Thursday, December 8, 2016 by QUEEN

g.p.
n harmonic means have been inserted between 1 and 4 such that first meant:last mean=1:3,find n.
Thursday, December 8, 2016 by warnar

Life Management
The Lemon Law is used to protect first time home buyers. a. True b. False
Thursday, December 8, 2016 by Alice Keign

Life Management
The following are available for assistance with the Lemon Law: a. consumer advocate groups b. departments of your State Attorney General's office c. legal aid d. all of the above*** This Act requires institutions disclose what credit will actually cost the consumer. a. Truth ...
Thursday, December 8, 2016 by Alice Keign

math
Problem Page First, rewrite 3/10 and 7/25 so that they have a common denominator.
Thursday, December 8, 2016 by Jabari

Social Studies Pretest Lesson 1 Unit 7
1: Why is urbanization associated with the Industrial Revolution? A:The expansion of family farms refocused the nation on agriculture. B:The concentration of factories in cities brought job opportunities. C: Settlers expanded the frontier West of the Mississippi river. D: ...
Wednesday, December 7, 2016 by Reeces

Language Arts
1.Read the sentence below: Biologists have created an immortal frog. They removed its vocal chords and now it cannot croak. Which of the following correctly explains the pun in this sentence and the word or words on which it is built? A. Biologists-these scientists can both ...
Wednesday, December 7, 2016 by Laney

Physics
Chameleons catch insects with their tongues, which they can extend to great lengths at great speeds. A chameleon is aiming for an insect at a distance of 22 cm. The insect will sense the attack and move away 60 ms after it begins. In the first 60 ms, the chameleon’s tongue ...
Wednesday, December 7, 2016 by Anonymous

Physics
How much heat does a freezer need to remove from 1kg of water at 40°C to make ice at 0°C? (You will need to use the specific heat of water to drop the temperature first, before trying to make the phase change!) Show your work. Please help! Also, this site isn't about giving ...
Wednesday, December 7, 2016 by Jay

math(A.P)
the least vaue of 'n' for which the sum of the first n-odd natural numbers exceeds 5000 is?
Wednesday, December 7, 2016 by ann

algebra
Apple Company has releases its new i-phone in the market with a suggested retail price of Php 35, 500. Many consumers are waiting for this model because of its unique and more advanced features. You are working as a marketing manager of the i-store, one of its dealer stores. ...
Wednesday, December 7, 2016 by heeeeeeeeeelp

math
an arithmetic series is such that the ninth term is zero and the sum of first 25 terms is 50.the first term of the series?
Wednesday, December 7, 2016 by Ana

English
1.In Social Studies, i learned about the famous Architect Frank Lloyd Wright. 2. One of wright's best-known works is his house, fallingwater, in bear run, Pennsylvania. 3."Yes, wright still may be the best-known american architect," Mrs. Lee said. 4. Louis sullivan (1856-1924...
Tuesday, December 6, 2016 by Hayden

Algebra
Find the first 4 terms of the recursively defined sequence. a subscript 1 =9​, a subscript 2 =9​, a Subscript n+1=a Subscript n +a Subscript n-1 Are the first four terms A)9,9,18,18 B)9,9,9,27 C)9,9,81,729 D)9,9,18,27
Tuesday, December 6, 2016 by David

Science
What are examples of first, second and third level consumers in the Chesapeake Bay?
Tuesday, December 6, 2016 by Anonymous

history
1.What event led to the U.S. purchase of the Louisiana Territory? A)The burning of a U.S. Navy ship in the First Barbary War B)The U.S. Supreme Court's decision in Marbury vs. Madison C)The successful Haitian slave revolt **D)Napoleon losing money in his European wars 2.Why ...
Tuesday, December 6, 2016 by katrina

Affine ciphers, modular inverse
So using the inverse of 17 modulo 26 I have -3(y-4)(mod 26) first am I correct? (I originally started with -3(y+22)(mod 26)) And im now trying to decipher a simple message. Which I will plug the numbers of the letters into the equation instead of y. Again am I doing this ...
Tuesday, December 6, 2016 by Anon

Psychology Final Exam 2
Check my answers? 17. A _________ is the functional unit of the nervous system. (1 point) Neuron******* Dendrite Head Cell body 18. The Central Nervous System consists of the __________ and __________. (1 point) heart and blood vessels muscles and tendons axons and dendrites ...
Tuesday, December 6, 2016 by Ava

history
8.  Which characteristic ultimately​led to General McClellan’s replac​ement as Commander of the Union army? his organizational ability his cautious nature on the battlefi​eld his reckless nature on the battlefi​eld* his ...
Tuesday, December 6, 2016 by susie

LA
he boy got bed Byron was up in his top bunk and Kenny was down in the bottom Kenny was so exited that he was talking a mile a minute although he realized that he was probably just talking to himself. Byron was still upset about the trip so he refused to answer. There was a ...
Tuesday, December 6, 2016 by HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Cal 3
Find critical points for f(x,y)= x^3+y^3-15x^2-6xy+18y^2+39x+138y I know you first take the partial derivative of x and y, but I am not sure where to go from there.
Tuesday, December 6, 2016 by Erica

Langugae Arts
11. Read the following sentence from “The Balek Scales.” My grandfather was the first person bold enough to test the justice of the Baleks, the family who lived in the chateau and drove two carriages, who always maintained one boy from the village while he studied theology...
Tuesday, December 6, 2016 by Hannah

G.p.
The second term of a g.p. Is 27 and 7th term is 1/9. Find the first term and the common ratio.
Tuesday, December 6, 2016 by Warnar

math
Find three even consecutive integers such that the sum of the first two exceeds the third by 16.
Tuesday, December 6, 2016 by hino

LIT
two numbers sum to 37 twice the first subtracted from the second is 4 find the numbers
Tuesday, December 6, 2016 by Anonymous

chem
What is the total pressure on the gas after the 760 mm Hg has been added? FIRST PHASE atmospheric pressure= 760 torr gas volume= 60 mL (760 mm Hg added to 2nd phase) SECOND PHASE atmospheric pressure= 760 torr Gas volume= 30 mL **image looks like a J. in the 2nd phase, there ...
Monday, December 5, 2016 by Soph

U.S History
Case Study: General Andrew Jackson: Andrew Jackson's military career spanned several wars including the American Revolution, the Creek War, the War of 1812, and the First Seminole War. After the Creek War, Jackson and the Creek Indians signed the Treaty of Fort Jackson in ...
Monday, December 5, 2016 by katrina

math
There are 12 marbles in a bag, and the marbles are either yellow or green. Two marbles will be randomly picked from the bag, without replacing the first one picked. The probability that both marbles will be yellow is 5 33 . How many YELLOW marbles are in the bag?
Monday, December 5, 2016 by laius

maths
A car which cost #1.8 million when New Depreciates by about 12% in the first 6 months.find the value after 6 months to 2 significant figures
Monday, December 5, 2016 by Riliwan

LA HELP! 2
Passage: from “Life Without Gravity” by Robert Zimmerman Worse, weightlessness can sometimes be downright unpleasant. Your body gets upset and confused. Your face puffs up, your nose gets stuffy, your back hurts, your stomach gets upset, and you throw up. If astronauts are...
Monday, December 5, 2016 by Agala

Calculus
If the line 3x-4y=0 is tangent in the first quadrant to the curve y=x^3+k, then k is? I got 1/4 is this correct?
Monday, December 5, 2016 by Ian

L.A H
Which of the following sentences contains an action verb? (1 point) This apple tastes funny. It seemed OK at first. I spit it out in the trash.**** It might be rotten.
Monday, December 5, 2016 by Agala

U.s History
1.Which statement best describes an effect of William Penn's actions on colonial America? A)Cash-crop agriculture became more profitable in the Southern colonies. B)Many immigrants came to the Middle colonies seeking religious freedom.*** C)Several northern colonies decided to...
Monday, December 5, 2016 by katrina

American Government
Please I need Help!!!!!!!!!!!!!!!!!! 1. What type of power does the Constitution grant to the Supreme Court? (1 point) executive power federal power judicial power legislative power 2. Which are examples of judicial restraint in the Supreme Court? Select all that apply. (3 ...
Monday, December 5, 2016 by Katie

Mathematics
Tom deposits $800 into an account that pays simple interest at a rate of 2℅ per year. How much interest will he be paid in the first 2 years
Monday, December 5, 2016 by Rebecca

chemistry
What is the seperation energy ineV for Be3+ in the first excited state in eV?
Monday, December 5, 2016 by Anonymous

Arithmetic progression
A person buys national savings certificate of values exceeing of the last years purchase by Rs. 100. after 12years he finds that the total value of certificate purchased by him is Rs. 7,200 find the value of the certificate purchased by him (1) in the first year and (2) in the...
Monday, December 5, 2016 by Warnar

Math
The ratio of the number of goats in farm x to the number of goats in farm y was 9:4. After 35 goats were transferred from farm x to farm y,there was an equal number of goats in each farm. how many goats were there in each farm at first?
Monday, December 5, 2016 by Anonymous

Algebra
Thank you...I forgot to add the other part of the question.. The sum of two number equal 25 The second number is 4 times larger than the first number. Write the two equations AND what are the two numbers. I have x+4x =25 but not sure what the two equations would be? Please ...
Sunday, December 4, 2016 by Leroy

Algebra
The sum of two numbers equal 25. The second number is 4 times larger than the first number. What are the two numbers
Sunday, December 4, 2016 by Leroy

English
Chapter 2 of the scarlet letter What does this tell you about the puritan people? "there appeared, in the first place, like a black shadow emerging into the sunshine, the grim and grisly presence of the town-beadle, with a sword by his side and his staff of office in his hand...
Sunday, December 4, 2016 by Aria

math
Eldon received 72 on his first calculus test. The marks were normally distributed with a mean of 60 and a standard deviation of 8. He received 80 on the next test, which was normally distributed with a mean of 75 and a standard deviation of 6. Which was the better mark, ...
Sunday, December 4, 2016 by josh

science
what city goes below sea level first miami or new orleans?
Sunday, December 4, 2016 by Anonymous

Maths
The taxi fare in a city is such that rs.50 is the fixed amount for the first two kilometers and rs.10 for the subsequent kilometers is charged.Taking the distance covered as " x"km and total fare as rs ." Y" ,write a linear equation in "x" and "y" .Represent it graphically
Sunday, December 4, 2016 by Genius

math
A rational function is defined as this: $$ f(X) = \frac{a_0 + a_1X + a_2x^2 + \cdots a_n X^n } {b_0 + b_1X + b_2 X^2 + \cdots + b_mX^M} $$ Which allowing complex numbers can be factored to this: $$ f(X) = \frac{a (X - \alpha_1)^{e_1} (X - \alpha_2)^{e_2} \cdots (X - \alpha_r...
Sunday, December 4, 2016 by clay

Math
Two debts ---- the first of $800 due six months ago and the second of $1400 borrowed one year ago for a term of three years at 6.5% compounded annually ---- are to be replaced by a single payment one year from now. Determine the size of the replacement payment if interest is 7...
Saturday, December 3, 2016 by Chris

Math
A construction worker bought 21 7/8 Pounds of nails when those nails were all used she bought 2 1/2 times as many nails as she had bought the first time how many pounds of nails did she buy the second time
Saturday, December 3, 2016 by Jenny

8th Grade Journalism
Can somebody please confirm that I'm correct with the other answers? **Can somebody help me with the 2nd question please? Passive Voice to Active Voice Passive Voice---A college entrance exam was taken by nearly 100 students on Saturday. Results from the exam were received by ...
Saturday, December 3, 2016 by Music Lover 14

chemistry
Fe2+ is oxidized to Fe3+ and CrO4is reduced to Cr3+ using an unknown sample containing Fe2+ and 0.04322M K2CrO4 solution in a redox titration. I first need to balance the formula, but I don't know what to do with the potassium.
Saturday, December 3, 2016 by Jen

Math
A man takes commission at the rate of 2% on first 50,000, 7% on next 50,000 and 0.5% on remaining price. Find bis commission on the car that has been silf for 2,38,000.
Saturday, December 3, 2016 by Tanya

Math
Maya's school held an aluminum collection program in which they collected aluminum and brought it to be recycled. In the first week, Maya collected 4/20 lb of aluminum and her friend Abigail collected 7/8 lb. a. which girl collected more aluminum? b. how much aluminum did the ...
Friday, December 2, 2016 by Plz Help me

Language Arts
Good evening. I have a problem in English Language Arts. I have to write a poem. The instructions are as follows: Write a short poem that reflects the mood you interpret of a season (Spring, Summer, Fall or Winter). Follow the requirements listed below: 1. The poem must be 8 ...
Friday, December 2, 2016 by Donald

Math - Calculus
The region in the first quadrant bounded by y=6x^2 , 2x+y=8, and the y-axis is rotated about the line x=-1. The volume of the resulting solid is: Please help me set up the integral for this one, I'm not sure how to do it. I've tried ∫[-4/3,1] pi (8-2x-1)^2-(6x^2-1)^2 dx, ...
Friday, December 2, 2016 by Anon

Calculus
The region in the first quadrant bounded by y=6x^2 , 2x+y=8, and the y-axis is rotated about the line x=-1. The volume of the resulting solid is:
Friday, December 2, 2016 by Anonymous

Calculus
The region R is in the first quadrant and bounded by the x-axis, the y axis, and y= 3+2x-x^2. Find the volume of the solid that results when R is revolving about y+1= 0
Friday, December 2, 2016 by Anonymous

Calculus
Find the volume of the solid generated by revolving the region in the first quadrant that is above the parabola y= 4x^2 and below the parabola y= 45-x^2 about the y-axis I just need help setting up the integral. V=∫[0,3]2pix(45-x^2)dx What am I doing wrong?
Friday, December 2, 2016 by Jamie

Calculus
Find the area of the region in the first quadrant between the curves y=x^8, and y=2x^2-x^4
Friday, December 2, 2016 by Anon

American Government HELP
Recall the scenario for this lesson’s discussion: You are the CEO of a powerful and politically connected corporation in your area. You have lunch once a month at your club with other business leaders of influential conglomerates to see where your interests might intersect. ...
Friday, December 2, 2016 by Anonymous

linear programming problem
Consider the linear programming problem: Maximize P=60x+50y. x+y≤80 5x+10y≤560 50x+20y≤1600 x≥0 y≥0 Use the simplex method to solve the problem. Use s, t, and u as your slack variables for the first, second, and third inequalities respectively. Use the final simplex ...
Thursday, December 1, 2016 by RENTO

Math
Two sizes of concrete blocks are being used to build a raised garden bed for strawberries the first kind of block is 8 inches long and the second is 12 inches long a row of the shorter block is laid on the top of row of the longer blocks using only whole blocks what is the ...
Thursday, December 1, 2016 by Jenny

maths
A basketball team averages 98 points in its first three games.How many points must it score in the next game in order to have 100 point average overall?
Thursday, December 1, 2016 by shaheer

Integral Calculus
We can use this power series to approximate the constant pi: arctan(x) = (summation from n = 1 to infinity) of ((-1)^n * x^(2n+1))/(2n+1) a) First evaluate arctan(1) without the given series. (I know this is pi/4) b) Use your answer from part (a) and the power series to find a...
Thursday, December 1, 2016 by Matt

Social Studies
Could you help me with these questions? 1. Which statement best explains the significance of the signing of the Mayflower Compact? * 2. What was a major reason for the colonization of the Americas by Europeans? * 3. Which reason led to the establishment of colonies in both ...
Thursday, December 1, 2016 by King Comfort

Math
At first the ratio of the number of boys to the number of girls in a Mathematics Club was I : 2 when 5 more boys joined the club , the ratio became 3 : 4 How many members were there in the club at first?
Thursday, December 1, 2016 by Anonymous

math
Sarah bought 2 boxes of pencils. There were 58 pencils in each box. In the first box, 23 of the pencils were red, 18 were blue, and the rest were yellow.
Thursday, December 1, 2016 by jb

Physics
Light of wavelength 469 nm passes through a slit, creating a diffraction pattern on a screen. The angular separation between the first diffraction minima on either side of the central maximum is 6.0∘ . Determine the width of the slit. I used this equation to solve for the ...
Wednesday, November 30, 2016 by Po

Math - Aglebra One (Ratios)
my grandfather has a huge coin collection of silver dollars and 50-cent pieces. He promised to give one fourth if his collection to the first of his grandchildren who can figure put the total value of his coins. The only cares he will give are these: There are 133 more silver ...
Wednesday, November 30, 2016 by Christine

math
Find the initial amount given an exponential function. Given the equation y = 24(0.77)^t, what is the initial amount? To find the initial amount, I need to replace t with 0. When I do that, I get y = 24(0.77)^0 which is y = 24(1), so y = 24 In doing other problems, that first ...
Wednesday, November 30, 2016 by Carly

Calculus MATH
Problem statement a) Suppose f(x) is defined on 0 ≤ x ≤ 1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use...
Wednesday, November 30, 2016 by JIN

Math
The sum of two numbers is 3.What is the maximum value of the product of the first and the square of the second?
Wednesday, November 30, 2016 by Bhim

additional mathematics
if the 2nd term and the 4th term of an arithmetic progression are 15 and 23 respectively, find the first term and the common difference
Wednesday, November 30, 2016 by yoyo

Physics
Any help is appreciated! A grandfather clock is based on the period of oscillation of a pendulum. The clock keeps perfect time on the first floor of the Sears tower but when carefully moved to the top floor h=436 m above the surface of the earth, the clock is found to be slow...
Wednesday, November 30, 2016 by Jamie

Math
Let y=e^(cos^-1x) for modx<1. Show that (1-x^2)(d2y/dx2)=x(dy/dx) + y. By further differentiation, show that e(cos^-1x) ≈ e^a(1 - x + 0.5x^2 - bx^3) where a and b are real constants to be determined. I managed to show the first part but I don't get how to do the second ...
Wednesday, November 30, 2016 by Joel

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