Thursday
October 30, 2014

Posts by hailey


Total # Posts: 213

Calculus
Consider the function f(x)=(x^2)e^(14x) f(x) has two inflection values at x = C and x = D with C≤D where C is and D is Finally for each of the following intervals, tell whether f(x) is concave up or concave down. (−∞,C]: [C,D]: [D,∞)
October 28, 2014

Calculus
A ball is thrown up on the surface of a moon. Its height above the lunar surface (in feet) after t seconds is given by the formula h=308t−(14/6t^2) Find the time that the ball reaches its maximum height. Answer = Find the maximal height attained by the ball Answer =
October 28, 2014

Calculus
The top and bottom margins of a poster are 2 cm and the side margins are each 8 cm. If the area of printed material on the poster is fixed at 380 square centimeters, find the dimensions of the poster with the smallest area. Width = Height =
October 28, 2014

Calculus
A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 49 feet?
October 28, 2014

Calculus
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=4−x^2. What are the dimensions of such a rectangle with the greatest possible area? Width = Height =
October 28, 2014

calculus
3) f(x)=x^(2)/6x^(2)+4. List the x values of the inflection points of f.
October 28, 2014

Calculus
Find the critical numbers of the function f(x)=x^1/6−x^−5/6.
October 20, 2014

Calculus
I know how to take the derivative the other parts i don't know how to do...
October 20, 2014

Calculus
Consider the function f(x)=ln(x)/x^6. For this function there are two important intervals: (A,B] and [B,∞) where A and B are critical numbers or numbers where the function is undefined. Find A Find B For each of the following intervals, tell whether f(x) is increasing or...
October 20, 2014

calculus
9) Find all critical numbers of the function f(t)=9t^2/3+t^5/3
October 20, 2014

Calculus
7) Consider the function f(x)=x2e4x. For this function there are three important intervals: (−∞,A], [A,B], and [B,∞) where A and B are the critical numbers. Find A and B For each of the following intervals, tell whether f(x) is increasing (type in INC) or ...
October 20, 2014

Calculus
f(x)=4x3−18x2−480x−2 is decreasing on what interval? It is increasing on what interval(s) ? The function has a local maximum at ?
October 20, 2014

Calculus
18) Find all numbers c that satisfy the conclusion of the Mean Value Theorem for the following function and interval. Enter the values in increasing order and enter N in any blanks you don't need to use. f(x)=2x/6x+12,[1,4]
October 20, 2014

Math
18) Find all numbers c that satisfy the conclusion of the Mean Value Theorem for the following function and interval. Enter the values in increasing order. f(x)=2x6x+12,[1,4]
October 20, 2014

Math
17) Consider the function f(x)=3x3−3x2+4x+2 Find the average slope of this function on the interval (−3,5). By the Mean Value Theorem, we know there exists a c in the open interval (−3,5) such that f′(c) is equal to this mean slope. Find the two values ...
October 20, 2014

Math
16) Consider the function f(x)=2x3−6x2−90x+5 on the interval [−6,7]. Find the average or mean slope of the function on this interval. By the Mean Value Theorem, we know there exists at least one c in the open interval (−6,7) such that f′(c) is ...
October 20, 2014

calculus
The answer was wrong!
October 7, 2014

calculus
An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will take it directly over a kangaroo on the ground. How fast is the angle of elevation of the kangaroo's line of sight increasing when the distance from...
October 7, 2014

Calculus
An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will take it directly over a kangaroo on the ground. How fast is the angle of elevation of the kangaroo's line of sight increasing when the distance from...
October 7, 2014

calculus
Find the slope of the tangent line to the curve (2x+4y)^1/2+(2xy)^1/2=13.4 at the point (6,5).
October 7, 2014

Calculus
Suppose that two boats leave a dock at different times. One heads due north, the other due east. Find the rate at which the distance between the boats is changing when the first boat is 56 miles from the dock traveling at a speed of 35 miles per hour and the second boat is 20 ...
October 7, 2014

English
Or you could say : I looked towards the right.
September 28, 2014

physics
A baseball hit just above the ground leaves the bat at 22 m/s, at 53.6° above the horizontal. What is the maximum height of the ball above the ground? Help!!!
September 21, 2014

physics
"A projectile is fired horizontally at 14.9 m/s from the edge of a 7.05-m-high cliff and strikes the ground. Find the horizontal distance the projectile traveled." I have no work cause I have no idea how to do this...
September 21, 2014

math
what is the temperature at the top of the stratosphere if the sea level temperature was 22 degrees and air temperature decreases 6 degrees every 1km
September 16, 2014

Álgebra
Solve (z +2)^ 4/3 = 4 where z is a real number.
May 14, 2014

Alegbra
Wow your reply fast, that's good keep it up :)
March 26, 2014

Alegbra
Thank you so muchh Damon for your help!
March 26, 2014

Alegbra
So I am rightt
March 26, 2014

Alegbra
-0.33 right?
March 26, 2014

Alegbra
? : 1.5 -0.33 -0.5 6.33
March 26, 2014

Alegbra
Can you do one more? Point G is located at 3,-1 and point H is located at -2,3. Find the x value for the point that is 2 over 3 the distance from the point G to point H.
March 26, 2014

Alegbra
Thank you Damon :)
March 26, 2014

Alegbra
Yesh, sorry about that Damon, thank you so much <3
March 26, 2014

Alegbra
I don't know how to submit a website so i pressed on enter and space .. You'll need to erase it and connect them back together to visit the website
March 26, 2014

Alegbra
Can you guys please help? : jiskha. com /display.cgi?id=1395865500
March 26, 2014

Alegbra
Thanks! So, 0.5?
March 26, 2014

Alegbra
Sorry Damon, but that is the wrong answer :(
March 26, 2014

Alegbra
Find the y value for the point that splits segment EF in half if point E is located at 5,-2 and point F is located at -1,3.
March 26, 2014

health
whos on here for ashworth.?
March 3, 2014

calculus
The rabbit population on a small island is observed to be given by the function P(t)=120t−0.4t4+700 where t is the time (in months) since observations of the island began.
February 1, 2014

geometry
can not figure out how to simplify a problem into scientific notation
January 29, 2014

Science
What is the difference between photosynthesis and cellular respiration?
January 10, 2014

Science
Correct I think, just follow your instincts the first answer you think it is its most likely that one, don't cheat, i understand you just need help but you should go to your book. Hailey
November 26, 2013

Science
Compounds are such substances that can't be separated by chemical means like potassium chloride, sodium chloride(common salt), potassium aluminium sulphate(alum).
October 3, 2013

What is 30 x 6?
I did,, 30 30 >60 30 30 >60 30 30 >60 +___ 180
September 23, 2013

math
If you drop a ball from 15 feet and every time it bounces it returns to 80% of its previous height, how high does it bounce after it n-th bounce?
September 11, 2013

Algebra 2
Tickets to a local performance sold for $3.00 for adults and $1.50 for children. If 170 tickets were sold for a total of $480 dollars, how many adult and children tickets were sold?
September 2, 2013

Form a polynomial f(x)
Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 5; Zeros: -3; -i; -6+i F(x)=a ( )
March 27, 2013

College Algebra! help!
Form a polynomial f(x) with the real coefficients having the given degree and zeros. Degree 5; Zeros: -4; -i; -2+i f(x)=a( )
March 26, 2013

maqth
expain the steps you follow to multiply by a 1 digit number
March 12, 2013

math
begin at the lookout tower travel east 7 units and north 4 units where are you
February 21, 2013

math
can i get help on 4 over 9 plus 3 over 4... in simplest form
February 17, 2013

Geography
Russia has: A. Small reserves of mineral resources B. huge reservations of mineral resources C. Vast petroleum deposits but few minerals D. Large forest lands, but not much petroleum
February 1, 2013

maths
A rectangular paddock is 164 metres long and 95 metres wide. How many metres of fencing are required to enclose the area?
January 28, 2013

Maths
Ms. Sue is right! 3*20=?
December 9, 2012

Social studies
What were boomtowns and ghost towns?
December 8, 2012

Social Studies
How did mining help the west grow?
December 8, 2012

algebra
Write a formula that relates temperature t in degrees Fahrenheit at altitude h (in thousands of feet) and a ground temperature of 65ºF. State any restrictions on h. b. Find the temperature at 11,000 ft above Earth’s surface.
October 16, 2012

math
if the simple interest on $2000 for 8 years is $960, then what is the interest rate?
October 12, 2012

math
I am the smallest 2 digit odd number whose digits add to 2. i look the same backward and forward and so does my square product. my square product is a 3 digit number. what number am i and what is my square product?
September 24, 2012

Algebra
Find the product: -9x(-6x2 + x + 5) A.54x2 – 9x – 45x B.-15x3 – 8x2 – 4x C.54x3 + x + 5 D.54x3 – 9x2 – 45x
September 23, 2012

Math
I am a 2- digit number . The sum of my digits is 12 . My tens digit is 4 more than my ones digit. What number am I ?
September 19, 2012

math
Number Theory find the two operation signs that are missing from the following equation. 4__15__25=35
September 17, 2012

math
Number Theory 4__15__25=35
September 17, 2012

spelling
What do you call a girl who likes to swim? a ______________in water What do you see when you sit in the yard at sunrise? You see___________on the lawn. stately,regal,_______________
September 17, 2012

reading
i had to read these 2 passages on was a silly poem about birds ball and the othe was a passage about woodpeckers that was true ihave to give to thngs in common and 2 things different iam trouble giveing the different ones
September 13, 2012

math
Which number has exactly 4 different factors? 7,9,10,or 16
September 12, 2012

math
I lined all three numbers up and added them together.
September 12, 2012

math
last year bill traveled 6,589 miles on business. Donna traveled 4,309 miles and Ursula traveled 1,028 miles my answer is 11,926 miles use what you know about solving word problem to explain how you found your answer. use words and/ or numbers in you explanation. how do i do ...
September 12, 2012

language arts
hw do i show you my answers
September 12, 2012

Language Arts
Thank you for your help!
September 12, 2012

Language Arts
Please save me a seat,or I will stand in the back of the auditorium. The musicans are already on stage. Are you enjoying the contest? Wow, the singer is fabulous! My family attended the contest, and later we all went to a restaurant. Are my punctuations and commas right in ...
September 12, 2012

Language Arts
how do i send you my answers for you to check
September 12, 2012

Language Arts
Mke went last week, but we are going this week. Will your mother take us, or should we go on the bus?
September 12, 2012

Language Arts
ad the correct punctuation or a comma Please save me a seat or i will stand in the back of the auditorium. the musicians are already on stage Are you enjoying the contest Wow, the singer is fabulous My family attended the contest and later we all went to a restaurant.
September 12, 2012

Language Arts
how do i write these sentences as compound useing commas and but or to combinethem The circus is finally here. we can hardly wait to go. Mike went last week. we are going this weekend. will your mother take us? Should we go on the bus?
September 12, 2012

Chemistry
Suppose you have two 100- graduated cylinders. In each cylinder there is 37.0 of water. You also have two cubes: One is lead, and the other is aluminum. Each cube measures 1.2 on each side.After you carefully lower each cube into the water of its own cylinder, what will the ...
September 7, 2012

health
haha me too. i need the answer tho haha
August 11, 2012

chemistry
ur mom lol
July 1, 2012

Chemistry
1. what ion dissociates from an acid to give it its acid properties? 2. what ion dissociates from a base that gives bases their properties?
June 17, 2012

Calc
Find the exact value of sin(arctan2/5)
May 30, 2012

math
Find n if S(n) is approximately 15,408.15.
May 23, 2012

algebra
I have a math worksheet and it is SO confusing. can anyone help. the question on the worksheet is IN MUSIC WHAT DOES "ALLEGRO" MEAN? it's page 190. PPPPLLLLLLLLZZZZZZZZ. like right now i need the answer. i looked it up on google what allegro means and it said a ...
May 5, 2012

Music
I need help. I have to pick a song to sing and it has to match with my voice. So far I narrowed it down to Cheatercheaterbestfriendeater by NevershoutNever, My Everything by My Genuine Find, Your Biggest Fan by NeverShoutNever, and Always You by My Genuine find.
May 1, 2012

algebra
Last year, Susan had 30,000 to invest. She invested some of it in an account that paid 8% simple interest per year, and she invested the rest in an account that paid 7% simple interest per year. After one year, she received a total of $2150 in interest. How much did she invest...
March 31, 2012

The Great Gatsby
The answer is 2. There was no reason. I had this same question and these answer choices on a test. Weird. :)
March 12, 2012

History
How does the Chippewa Creation Story compare/contrast with the Biblical creation story?
February 27, 2012

alg 2
The width of a rectangular field is 8 feet shorter than its lenght, if l represents lenigh, write an eguation in terms of l for the perimeter of the field?
February 26, 2012

English
Is the grammer correct? When things aren't going your way, always remember to keep smiling, because life is a beautiful thing and there's so much to smile about.
February 25, 2012

math
An object with zero initial velocity accelerates at a constant rate of 10 m/s. find its average velocity during the first 15 seconds
January 20, 2012

Chem II
Sulfur dioxide is produce din enormous amounts for sulfuric acid production. It melts at -73 degrees C and boils at -10 degrees C. Its heat of fusion is 8.619 kJ/mol and its heat of vaporation is 25.73 kJ/mol. The specific heat capacities of the liquid and gas are .995 j/g*K ...
January 18, 2012

Geometry
Five times the measure of an angle is 48 more than the measure of its supplement. Find the measure of the angle.
January 10, 2012

social studies
what is the palouses cothing made out of and what don they were?
December 8, 2011

Publish Books
yes there is some in idoho.
December 8, 2011

Chemistry
i dont know. cant help sorry:((
November 21, 2011

Chemistry
please help! Is RTP in chemistry (thermochemistry and electrochemistry) referring to room temperature of 25degreeC (or 298K) and 1atm, or 20degreeC (293K) and 1atm? In my lecture notes on gas law, they stated RTP refers to 25degreeC, but in my electrochem lecture notes they ...
November 6, 2011

Mathematics
13/4 = (x/8) + (x/5) solve for x, which is half the total distance. then find 2x to get the total distance.
November 5, 2011

MATHS
sorry...... no idea. I mean it could be 49p, 49.99p, 49.999999p...? Do they come in whole numbers or what.
November 5, 2011

MATHS
what's p? do the coins come in 1p by 1p or 10p by 10p? Not too sure about the coin system.
November 5, 2011

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