# Posts by samantha

Total # Posts: 1,702

P.E /.....
Thank you Ms.Sue, but I figured that question out. Will you help me with another?

P.E /.....
PLZ PLZ PLZ HELP. Trying to get over quiz Harvey has his heart set on making the state finals for his track team in the 100 yard dash. Although Harvey knows there are many factors to improving his time and becoming an elite sprinter, one skill is paramount to his success. ...

Connexus P.E
Harvey has his heart set on making the state finals for his track team in the 100 yard dash. Although Harvey knows there are many factors to improving his time and becoming an elite sprinter, one skill is paramount to his success. This skill is used at the very beginning of ...

Last two CALC questions. :)
8. If f(x) = sin(7 − 5x), find f′(π), which is the derivative at π: −0.754 −0.657 0 * 0.657 3.770 9. Given the function: g(x)={x+b, x<0 {cos(x), x≥0 Find the value of b, if any, that will make the function differentiable at x = 0. 0 1...

Check a few more CALC questions, please?
I feel pretty good on my answers. Are there any I got wrong? Thank you for the help! 1. If g(x) = tan (5x^2), then g′(x) = * 10x sec2(5x2) sec2(5x2) –10xsec(5x2)tan(5x2) 10sec2(5x2) 7xsec2(5x2) 2. The inflection point of the curve y = x4 − 8x3 + 24x2 + 7x &#...

Nevermind, I figured them out! :) Thank you!

Thank you so much! I'm getting number 7 as .9%, correct?

4. Find the tangent line approximation, L(x), of f(x)=x^2/3 at x = 8. L(x) = 4/3x-20/3 L(x) = 2/3x+8 L(x) = 4(x-8) L(x) = 1/3x + 4/3 *L(x) = 4/3x - 8/3 5. A balloon is rising at a constant speed of 5 ft/sec. A boy is cycling along a straight road at a constant speed of 15 ft/...

CALCULUS - Check my answers :)
And 5 would be 25?

CALCULUS - Check my answers :)
Is number 4 the last one?

CALCULUS - Check my answers :)
I'd appreciate corrections for the ones I get wrong. :) Thanks! 1. Determine which of the following is true for the function f(x) = x^3 +5x^2 - 8x +3. I. f(x) has a relative minimum at x = 2/3. II. f(x) has a relative maximum at x = 2/3. III. f(x) has a zero at x = 2/3 I ...

Algebra
During a softball game, a batter hits a ball upward from an initial height of 3 feet. The height, in feet, of the softball is given by s(t)=−16t^2+70t+3 , where t is time in seconds and . Which is closest to the time when the softball will be 50 feet above the ground?

Geometry
A softball player asked her father to make her a home plate for a softball game. According to her encyclopedia, an official plate is made from a square by making two 12-inch diagonal cuts upward from both bottom corners. What is the length of the side of the original square?

English
What does it mean to be a "critical reader?" Why is this important?

Statistics
smith is a weld inspector at a shipyard. he knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard. If Smith checks 300 of the 7500 welds completed that shift, would it be unusual for Smith to find 30 or ...

Physical Science
Why is it important when calculating the distance to extremely distant stars using parallax, astronomers use incredibly accurate instruments?

AP World History
Compare the position of upper-class women in classical Indian, Chinese, Greek, and Roman societies with regard to their ability to hold property, opportunity to pursue careers outside the home, rights in marriage and divorce, and level of education? hey! this is for an essay, ...

Geometry
Three vertices of a kite are (1,8), (1,0), and (4,6). What is the fourth vertex?

Physics
A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 98-N picture is then hung from the center of the wire, as the drawing illustrates, so the ends of the ...

Physics
A 61-kg snow skier is being pulled up a 14 ° slope by a steel (Young's modulus 2.0 x 1011 N/m2) cable. The cable has a cross-section area of 7.0 x 10-5 m2. The cable applies a force to the skier, and, in doing so, the cable stretches by 2.1 x 10-4 m. A frictional ...

Physics
A 68-kg water skier is being pulled by a nylon (Young's modulus 3.7 x 109 N/m2) tow rope that is attached to a boat. The unstretched length of the rope is 15 m and its cross-section area is 1.8 x 10-5 m2. As the skier moves, a resistive force (due to the water) of ...

Science
So does VIBGYOR mean Violet, Indigo, Blue, Green, Yellow, Orange and Red?

Science
What does it mean, when it says "for visible light (ROYGBIV) which has the shortest wavelength? which has the longest? place all other colors in order based on their wavelength from shortest to longest.

Social Studies (History)
What was a result of the laissez-fair economic policies followed by the Federal Government between the Civil War and 1900?

Geometry
The coordinates of the endpoints of the hypotenuse of a right triangle are (7, 5) and (3, 1). Find the other vertex. There are two possible solutions.

Statistics
The effectiveness of a headache medicine is tested by measuring the intensity of a headache in patients before and after drug treatment. The data consist of before and after intensities for each patient. Identify the design of the study. A) Paired t-test B) Two-sample t-test C...

Statistics
A researcher wished to test the effect of the addition of extra calcium to yogurt on the "tastiness" of yogurt. Two different yogurts, one with extra calcium and one without the added calcium, were created from the same batch of yogurt. A group of 84 adult volunteers...

Geometry
Name all of the possible different rays that can be formed from the three points below: A B C <_______________>

Statistics
Most people are definitely dominant on one side of their body - either right or left. For some sports being able to use both sides is an advantage, such as batting in baseball or softball. In order to determine if there is a difference in strength between the dominant and non-...

Statistics
A packing company investigates a national training consultant in hopes of improving productivity on the packing line. The national consultant agrees to work with 18 employees, collecting productivity data for each employee before the training program and after the training ...

Computers (internet)
The whole thing. Sorry

Computers (internet)
What does that mean?

Computers (internet)
How can I paraphrase: In the metropolis the recreational area was dilapidated.

Statistics
When comparing two samples that are independent of one another, we use the two-sample t-test. A) True B) False 5. Using paired differences helps to reduce the variation. A) True B) False Both are True?

Math
Wouldn't x equal 51?

Math
If the problem is: 3x-22 = x+80 what would x equal? Please show your work.

number 1 is c and I got 5/6 still

Physics Help!! I'm so confused!!!
A fire hose sprays 450 liters of water a minute onto a fire with a velocity of 17.0 m/s. Water has a density of 1 kg/liter. What is the average force acting on the fireman holding the hose due to the water? PLEASE EXPLAIN.

Geometry
If you have four lines how can you position them so that three are concurrent with each other and two are parallel to each other?

Let's begin with a rather straightforward lottery in which players select four digits. The winning number is commonly selected in the following fashion: 10 Ping Pong balls (each with a digit 0 through 9 written on it) are placed in a hopper. One Ping Pong ball is selected...

Statistics
An opinion poll asks a random sample of 100 college seniors how they view their job prospects. In all, 53 say "Good." The 95% confidence interval has a margin of error of 9.9%. The sample used actually included 130 college seniors but 30 of the seniors refused to ...

AP Chemistry
How do you determine the heat of solution for a substance? how can we report this answer in both kJ/g and kJ/mol? thank you!!!

Statistics
We conducted a hypothesis test for a population parameter at alpha = 0.05 and we failed to rejected Ho. If we decided to use alpha = 0.10, how would our conclusion change? A) At alpha = 0.10, we would still fail to reject HO. B) At alpha = 0.10, we would reject HO. C) It is ...

Statistics
We conducted a hypothesis test for a population parameter at alpha = 0.01 and we failed to rejected Ho. If we decided to use alpha = 0.05, how would our conclusion change? A) At alpha = 0.05, we would still fail to reject HO. B) At alpha = 0.05, we would reject HO. C) It is ...

Check my CALCULUS work, please! :)
Question 1. lim h->0(sqrt 49+h-7)/h = 14 1/14*** 0 7 -1/7 Question 2. lim x->infinity(12+x-3x^2)/(x^2-4)= -3*** -2 0 2 3 Question 3. lim x->infinity (5x^3+x^7)/(e^x)= infinity*** 0 -1 3 Question 4. Given that: x 6.8 6.9 6.99 7.01 7.1 7.2 g(x) 9.44 10.21 10.92 -11.08...

CALCULUS
If you could give an explenation with the answers, that'd be wonderful so I actually know how to solve similar problems in the future. :) Thank you so much! 1. A convex lens with focal length f centimeters will project the image of an object on a point behind the lens. If ...

CALCULUS
Could someone please solve these four problems with explanations? I'd like to understand how to get to the answers. Thank you! Without using a calculator: For each of the following, find: I. lim x->a- f(x) II. lim x->a+ f(x) III. lim x->a f(x) A. f(x)=|x^2+3x+2|/x...

Pre-Calc
Determine the one sided limit of f(x) s x approaches -2 from the right side. F(X) = (x^2-2x+4)/(x^3+8). I do not know where to begin. Should I plug in the one side limit?

Physics
A block whose weight is 34.0 N rests on a horizontal table. A horizontal force of 27.2 N is applied to the block. The coefficients of static and kinetic friction are 0.600 and 0.472, respectively. Will the block move under the influence of the force, and, if so, what will be ...

Physics
he weight of the block in the drawing is 77.0 N. The coefficient of static friction between the block and the vertical wall is 0.490. (a) What minimum magnitude of the force is required to prevent the block from sliding down the wall? (Hint: The static frictional force exerted...

AP World History
Thank you!! <3

AP World History
is Imperial Rome the same thing as Ancient Rome?

Calculus - #6
If the following function is continuous, then what is the value of b? g(f)={2t^2+2t-24 if f≠3 {b if f=3 0 3 7 14 None of these If the following function is continuous, then what is the value of a? h(f)={2t+b if f<0 {2cos(f)-3 if 0≤f≤(pi/2) {asin(f)+5b if f...

Calculus - #5
If h(x) is equal to (x^2-4)/(x+2)when x ≠ –2, and h(x) is continuous for all real numbers, then what is the value of h(–2)? 0 –2 –4 2 This is impossible. There is an infinite discontinuity at x = –2.

Calculus - #4
Suppose g(x)={1/(x-2) if x<1 {2x-4 if x≥1 The best description concerning the continuity of g(x) is that the function: is continuous. has a jump discontinuity. has an infinite discontinuity. has a removable discontinuity. None of these

Calculus - #3
Suppose g(x)={1/(x-2) if x<1 {2x-3 if x≥1 The best description concerning the continuity of g(x) is that the function: is continuous. has a jump discontinuity. has an infinite discontinuity. has a removable discontinuity. None of these

Calculus - #2
Suppose g(x)={x^2+2x+1/x+1 if x<1 {2x if x≥1 The best description concerning the continuity of g(x) is that the function: is continuous. has a jump discontinuity. has an infinite discontinuity. has a removable discontinuity. has both infinite and removable ...

Calculus - #1
Would it be infinite?

Calculus - #1
Suppose g(x)={1/x+1 if x<1 {2x-1 if x≥1 The best description concerning the continuity of g(x) is that the function: is continuous. has a jump discontinuity. has an infinite discontinuity. has a removable discontinuity. has both jump and infinite discontinuity.

Health part 2
so is the answer a or c? ps. GO ASHWORTH!!!!

Physics
You stick a paper onto a fridge with a magnet. There are two free body diagrams, one for the paper and one for the magnet. What are the forces acting on each object, which way do they point?

Physics
You stick a paper onto a fridge with a magnet. There are two free body diagrams, one for the paper and one for the magnet. What are the forces acting on each object, which way do they point?

Physics
You stick a paper onto a fridge with a magnet. There are two free body diagrams, one for the paper and one for the magnet. What are the forces acting on each object, which way do they point?

Health
She is a 13 (almost 14) year old girl..

Health
Say there was a girl who is about 195 lbs. and about 5'7". She only has about 2 hours out of the whole day that she has free time. She wants to be in her weight zone of between 118-148 lbs. within about 8 months without using any dietary pills. What would you ...

AP World History
How did technology impact Imperial Rome?

English
5. Complete the following sentence with a word or words that show a logical relationship. Joshua took a nap _______ sorting the mail. A. instead of B. after C. while D. before I picked D, because we cannot use while, since a person cannot sort mail while sleeping. We cannot ...

English
thanks for explaining number 19 clearly. That question was a little difficult for me.

English
# 15 the sentence is: Although it was old and needed a lot of work, Carla knew this was the house for her. 15. In this sentence, what is the antecedent of the pronoun it? A. work B. house C. Carla D. her I answered B, because the house (noun) was replaced by the word it (...

English
15. In this sentence, what is the antecedent of the pronoun it? A. work B. house C. Carla D. her I answered B, because the house (noun) was replaced by the word it (pronoun, which is considered the antecedent of the pronoun. Is my thinking correct. 17. Which of the following ...

Math
cameron is making bead necklaces. he has 90 green beads and 108 blue beads. what's the greatest number of identical necklace he can make if he wants to use all the beads

"Dr. Smith had argued that the cure for insomnia could be found in the seeds of apples, and although it was not true, he had made money giving lectures." This statement: *** includes a shift in tense. is a sentence fragment. includes an inappropriate use of a comma...

"The study will be conducted with all haste by the Office of Public Mendacity; nevertheless, the Office will fail to blame the culpable." This statement: includes a shift in tense. *** includes a passive construction-one in which the subject receives the action of ...

"After I had laid in the sun for two hours each day for two weeks, however; I was finished with the idea of looking like her." This statement: has one error: a verb in the wrong form. has two errors, a pronoun with no appropriate antecedent and a verb in the wrong ...

Oh, sorry. It's the last one, correct? (me, I)

"When they came to our house to visit, although they had never met either of us before, the governor and his wife were nice to my sister and I." This statement: (Points : 1) includes an inappropriate use of a comma. includes a lack of agreement between subject and ...

"Wondering what to do to avoid punishment and humiliation, now that she was fully alert; Judy took the eggs out of the carton, broke them into the skillet, stirred them with a fork, and cried." This construction: includes a comma splice. includes a lack of agreement...

Oooooh, I see it now! "Rejected" and "rejects." Thank you! :)

"In Shakespeare's Romeo and Juliet, Juliet's mother rejected her, because of the power of Lord Capulet, and Juliet rejects the Nurse in the same scene, calling her a 'wicked fiend.'" This statement: has a subject and predicate that don't agree in ...

That's what I thought, too.

"Martha, Gates, and Zuggy lifted the piano onto the bed of the truck and Kate tied the legs to the frame with ropes and grounding cable and I watched from the sofa." This statement: includes an inappropriate combination of modifier and noun. includes a subject and ...

"Our dog LuLu had broken her leash, and rounding the corner of the house, the shrub caught her in the eye." This statement: includes an inappropriate combination of modifier and noun. *** includes a passive construction-one in which the subject receives the action ...

Ooooh, okay! Thank you for your explanations to help me understand it! Is it the first one?

"Everyone in our neighborhood mows their lawn on Saturday, and my street, as a result of that, is pretty." This construction: has one error, a pronoun with no appropriate antecedent. has two errors, a pronoun with no appropriate antecedent and a shift in tense. *** ...

English

English
"Going to Cedar Point, fields of soy beans all around, in the seat of the car, Joyce riding, and Sue, together." This construction: has a subject and predicate that do not agree in number. *** is a sentence fragment. includes a pronoun that has no appropriate ...

1. If a student pours a solution of salt water on an elodea leaf, what is it an example of? 2.A child pours salt crystals on the body of a slug he finds in the backyard. Options are: high concentration, low concentration, osmosis, diffusion, hypertonic solution, and hypotonic ...

Economics
I feel stupid

Economics
oKAY :(

Economics

Economics
Okay, I already made the window, the product, the people i'm selling to. I am soo confused I have no idea what this assignment means.

Economics
So are these things are good? Description of the Business Location Management Advertising Pricing Products or Services Methods of Distribution Target Market Personnel Legal Structure

Economics
I am really having trouble understanding this assignment.

Economics
So what does "Please list ten items you anticipate requiring for the production of your finished product." Mean?

Economics
My teacher makes general notes on the internet and he talks about them.

Economics
And the assignment was from History class to learn about Capitalism by "making" a company of our own.

Economics
If you mean text book, we do not use text books at all in the school I go to.

Economics
What book?

Economics
I believe so, but I am not sure because I do not understand the whole process of a company.

Economics
Yes it does but that was for the current question now.

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