Saturday
October 25, 2014

Posts by anonymous


Total # Posts: 73,158

Precalculus
The rectangular box shown in the figure has dimensions 10" × 7" × 3" (a = 10, b = 7, c = 3). Approximate the angle θ formed by a diagonal of the base and a diagonal of the 7" × 3" side. (Round your answer to two decimal places.)
October 25, 2014

Lauren
Let f(x) = 3+4x-x^{3}. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all relative maxima (minima). 1. f is increasing on the intervals 2. f is decreasing on the intervals
October 25, 2014

math
Let f(x) = 3+4x-x^{3}. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all relative maxima (minima). 1. f is increasing on the intervals? 2. f is decreasing on the intervals?
October 25, 2014

Precalculus
An airplane flies 180 miles from point A in the direction 135° and then travels in the direction 240° for 90 miles. Approximately how far is the airplane from A? (Round your answer to the nearest whole number.)
October 25, 2014

8th grade language arts
Can you help me with it
October 25, 2014

8th grade language arts
i will tell u what i got and you tell me if it is correct a b c d
October 25, 2014

physics
A 20 g fridge magnet is being held onto the fridge by a 0.9 N force. coefficient of kinetic friction is 0.3 . (please include an FBD when giving the solutions) a. calculate the friction acting on the magnet. b. calculate the weight of the magnet c.the acceleration of the ...
October 25, 2014

statistics
For a normal distribution (symmetrical), a value that is two standard deviations below the mean would be closer to which of the following? Select one: a. 89th percentile b. Third Quartile c. Third percentile d. Median
October 25, 2014

Algebra
Line AB is parallel to line CD for A(4, -5), B(-2, -3), C(x, -2), D(6, y). Find a set of possible values for x and y.
October 25, 2014

Physics
A father pulls his son, whose mass is 27.3 kg and who is sitting on a swing with ropes of length 2.85 m, backward until the ropes make an angle of 36.8° with respect to the vertical. He then releases his son from rest. What is the speed of the son at the bottom of the ...
October 24, 2014

Physics!
A spring with a spring constant of 224.3 N/m is compressed by 0.253 m. Then a steel ball bearing of mass 0.0433 kg is put against the end of the spring, and the spring is released. What is the speed of the ball bearing right after it loses contact with the spring? (The ball ...
October 24, 2014

Physics!
A car of mass 1298.7 kg is moving at a speed of 64.0 mph when it misses a curve in the road and hits a bridge piling. If the car comes to rest in 0.234 s, how much average power (in watts) is expended in this interval?
October 24, 2014

Physics
If you are at the top of a toboggan run that is 44.3 m high, how fast will you be going at the bottom, provided you can ignore friction between the sled and the track?
October 24, 2014

Physics
A classmate throws a 1.1-kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum height of 4.0 m above the ground and begins to fall back. Assume that 1.3 m above the ground is the reference level for zero gravitational potential ...
October 24, 2014

Physics
A classmate throws a 1.1-kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum height of 4.0 m above the ground and begins to fall back. Assume that 1.3 m above the ground is the reference level for zero gravitational potential ...
October 24, 2014

physics
Calculate the mass of H2O produced by metabolism of 2.6kg of fat, assuming the fat consists entirely of tristearin (C57H110O6), a typical animal fat, and assuming that during metabolism, tristearin reacts with O2 to form only CO2 and H2O.
October 24, 2014

SS
How many airlines are owned by USA-based companies?
October 24, 2014

Pre-Calc/Trig...
Help me please Standard form: y=x^2-2x-3 Vertex form: ??? Intercept form: ???
October 24, 2014

math
I have 21 children in my class total. 6 of them are boys and 15 of them are girls. What is the percentage of males in the class
October 24, 2014

algebra
Ace car rental rents a car for $45 and .25 cents per mile. Star rental car rents a car for $35 and .30 cents per mile. How many miles would a driver need to drive before the cost of renting a car at these two places were the same?
October 24, 2014

Civics PLEASE HELP ME!
Thank you so much!! This will help me a lot!
October 24, 2014

Civics PLEASE HELP ME!
it is a breakup letter between the colonists and Great Britain. Please help?!
October 24, 2014

Civics PLEASE HELP ME!
Can anyone help me with a breakup letter for civics?? It is quite difficult for me. It is about the Declaration of Independence.
October 24, 2014

math
MRS SUE ANSWER MY QUESTION
October 24, 2014

math
MRS SUE ANSWER MY QUESTION
October 24, 2014

math
The answer is Idk and idc
October 24, 2014

science
thank you very much Ms.Sue
October 24, 2014

science
a horticultural wants a plant that produces flowers with a certain size color and fragrance but it now aware of any one plant having all of these traits. the quickest way she could achieve her goal would be to apply the process of_____________
October 24, 2014

Math
Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged $1,000 to a credit card that has a minimum payment each month equal to the interest owed. Can you figure...
October 24, 2014

Physics
As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a maximum height of h = 2.89 m above the top of the ramp. If the amount of work done against friction is insignificant, determine his initial speed at point A.
October 24, 2014

Latin I
Oh I found it.
October 24, 2014

Latin I
So would it be: The farmer and the woman showed the poet's farmhouse to the queen.
October 24, 2014

people
Which of the following conclusions is supported by the results of these studies
October 24, 2014

Math
There are two chords AB and AC in a circle.[AB]=10cm, [CD]=8cm and the radius of the circle is 12cm.what is the distance of each chord from the centre of the ccircle?
October 24, 2014

Algebra
(2a - b)^3 = 8a^3 - 8a^2b + 4ab^2 - b^3?
October 24, 2014

matlab
Find the maximum and minimum values of f( x,y)=2x^3+xy^2+5x^2+y^2
October 24, 2014

chemistry
You need 2.5 moles of aluminum for an experiment. How many atoms of aluminum is this?
October 24, 2014

biology
what is contracting subunit of skeletal muscle called
October 23, 2014

statistics
The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 46 and a standard deviation of 9. Using the empirical rule (as presented...
October 23, 2014

Algebra
How do I simplify (2a - b)(4a^2 - 2ab + b^2)? I keep getting 8a^3 - 8a^2b + 4ab^2 - b^3, but it shows wrong.
October 23, 2014

math
-15?
October 23, 2014

math
Points A and B lie on the graph of the equation y = -4.3x. What are the y coordinates for each point? Point A: (-3, ) Point B: (5, ) Not multiple choice.. confused on how to find the other points
October 23, 2014

kindgardn
24 -13 ----- 11
October 23, 2014

chemistry
Calculate the word done in joules when 1.0 mile of water vaporizes at 1.0 atm and 100 degrees Celsius. Assume that the volume of liquid water is negligible compared with that of steam at 100 degrees celcius, and ideal gas behavior.
October 23, 2014

Science
A straight line with a positive slope on a velocity-time graph indicates which of the following? no movement constant acceleration toward the reference constant velocity away from the reference constant acceleration away from the reference
October 23, 2014

Simple Physics
Which of the following is most appropriate to follow motion in one dimension? -linear scale -solid coordinates -x-y-z coordinates -graph with x- and y-axes
October 23, 2014

help
What government dose One Person Or Small Group Holds All The Power?
October 23, 2014

physics
A person is standing on a spring bathroom scale on the floor of an elevator which is moving up and slowing down at the rate of 1.53 m/s 2 . The acceleration of gravity is 9.8 m/s 2 . If the person’s mass is 83.4 kg, what does the scale read?
October 23, 2014

Physics
A box slides from rest down a frictionless ramp inclined at 35.0° with respect to the horizontal and is stopped at the bottom of the ramp by a spring with a spring constant of k = 3.50 104 N/m. If the box has a mass of 12.0 kg and slides 3.00 m from the point of release to...
October 23, 2014

Physics
A massless pan hangs from a spring that is suspended from the ceiling. When empty, the pan is 50 cm below the ceiling. If a 105 g clay ball is placed gently on the pan, the pan hangs 60 cm below the ceiling. Suppose the clay ball is dropped from the ceiling onto an empty pan. ...
October 23, 2014

Physics
Two massless springs (S1 and S2) are arranged such that one hangs vertically downward and the other is vertically upward, as shown in figure (a). When a 0.275-kg mass is suspended from S1, it stretches by an amount Δx1 = 0.062 m, as shown in figure (b). Spring S1 is now ...
October 23, 2014

Math
Can you also use the LCM of the denominators of the fractions to rewrite the difference 8/15-1/6? What is the difference?
October 23, 2014

French
Yes. Boy. "Une" is girl. (:
October 23, 2014

French
you know there are free translators on the internet. you could just type it into google
October 23, 2014

French
Boy?
October 23, 2014

French
If I introduce to you "un copain," is the person a boy, girl, or a teacher?
October 23, 2014

English/help almost due
Please Ms. Sue. I know that they all made their own important influence. I just don't know which impact was the largest.
October 23, 2014

English/help almost due
which writer of early romanticism—Washington Irving, James Fenimore Cooper, and William Cullen Bryant —do you think has had the greatest impact, and why
October 23, 2014

Math
A decimal number changed to 23.7 after it was rounded. Give a decimal number that is less than 23.7 and another that is greater than 23.7 that each round to 23.7. Explain to what place each number was rounded.
October 23, 2014

AP Gov
1. Which of the following is true about the Supreme Court? a. the justices have extended the right to privacy in all areas b. the justices ruled that the right to privacy includes gay and lesbian consensual relations c. the justices have overturned Miranda v. Arizona (1966) d...
October 23, 2014

ap calc
suppose that the position functions of 2 bugs B1 and B2 in motion along the same line are B1=1/2t^2-t+3 and B2=-1/4t^2+t+1 for t is greater than or equal to zero. a) prove the bugs will not collide b)how close do the bugs get to each other? I would greatly appreciate if you ...
October 23, 2014

math
A bottle of juice states that a serving is 1/2 cup. How many servings are in 2-pint container? ( Hint: One pint equals 2 cups?
October 23, 2014

Math
Vanessa has 3 yards of cotton. She needs 3/4 yard for each skirt she makes. How many skirts can she make?
October 23, 2014

Language Arts HELP!
Which of the following sentences contains a verb in the future perfect tense? A. Andy is going to walk home with Beth every afternoon. B. Andy has been walking home with Beth every afternoon. C. Andy will walk home with Beth everyday next week. D. By tomorrow, Andy will have ...
October 23, 2014

Language Arts HELP!
ok so not A D?
October 23, 2014

Language Arts HELP!
A?
October 23, 2014

Language Arts HELP!
How fo you form the perfect tense of a verb? A. Use the helping verb (will) and the base form od a verb. B. Use a form of the verb (be) and the past participle of the verb. C. Use a form of the verb (have) and the present participle of the verb. D. Use a form of the verb (have...
October 23, 2014

Language Arts HELP!
Thank you :)
October 23, 2014

Language Arts HELP!
Which of the following sentences contains a verb that is correctly formed in the perfect tense? A. Susan is spoken at our club before B. Beverly has wanted to be a singer for years C. Desmond has love swimming in the ocean D. Jake have painted in his room three times Is the ...
October 23, 2014

Help?
Explain how to use mental math to simplify the expression. 6 • 3 • 5
October 23, 2014

Help
Can you help me Ms. Sue? Please
October 23, 2014

Language Arts HEL;P!
Which of the following best describes the effect of beginning "Always to Remember" with a description of the memorial competition? A. This technique keeps the essay from being autobiography or fiction. B. This tatic gives background for the importance of Lin's ...
October 23, 2014

ap calc
two particles are moving along a linear track according to the functions x1=t^2+2t and x2=-t^2+8t+80 for t is greater than or equal to zero. a)at what value of t will the two particles be in the same place b)will they be going in the same or opposite directions at the time ...
October 23, 2014

Math.
Is equation is true, false? I'm not sure. 3(4 + –5) = 3(–6 – 2)
October 23, 2014

Math Math!
Marcus buys groceries for no more than $250.00 each week. He shops 4 times each month. How much should he budget for groceries for the month?
October 23, 2014

Math problem?
Lauren needs at most $80.00 for gas. How many twenty dollar bills does she need?
October 23, 2014

math
y – 5 = –8
October 23, 2014

asap math
Solve for y. Show all steps. y over 4≤ –16
October 23, 2014

Language Arts
Why does the author of "Always to Remember" discuss Maya Ying Lin's background? A. To show that she experienced hardships B. To appeal to Chinese-American readers C. To show its influence on her design D. To show her disintrest in architecture Is the answer C? ...
October 23, 2014

MATH ASAP~
Write an inequality for this sentence: The height h is greater than 15 feet.
October 23, 2014

Math step by step?
Solve for t. Show all steps. t over 5= 8 T= 40? I think.
October 23, 2014

science
ms. sue i need help
October 23, 2014

science
....
October 23, 2014

science
is this an example of potential energy with household item? t.v
October 23, 2014

Math question?
Solve for t. Show all steps. t over 5= 8
October 23, 2014

science
what is kinetic energy and potential energy? Can u give me an example. thank you.
October 23, 2014

Math Help!
Thank you
October 23, 2014

Math Help!
Which set represents a Pythagorean triple? A. 1,2,4 B. 2,4,6 C. 3,4,10 D. 5,12,13 Is the answer D? Thanks
October 23, 2014

Math Help!
Oh ok, thank you.
October 23, 2014

Math Help!
What is the hypotenuse of a right trianlgle if the legs are each 20 inches long? Round to the nearest whole number. A. 28 B. 29 C. 30 D. 31 Is the answer B? Thanks
October 23, 2014

ap calc
two particles are moving along a linear track according to the functions x1=t^2+2t and x2=-t^2+8t+80 for t is greater than or equal to zero. a)at what value of t will the two particles be in the same place b)will they be going in the same or opposite directions at the time ...
October 23, 2014

Math Help!
Thank you :)
October 23, 2014

Math Help!
I think I see where I went wrong is the answer B?
October 23, 2014

Math Help!
Which set represents a Pythagorean triple? A. 2,5,6 B. 6,8,10 C. 8,8,128 D. 8,10,256 Is the answer D?
October 23, 2014

Math--1 question plz?
Use the Distributive Property to multiply. (x – 9)5
October 23, 2014

Math Help!
Thanks
October 23, 2014

Math Help!
No it says 8.
October 23, 2014

Math Help!
If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? A. 1.4 B. 3.8 C. 5.4 D. 10.8 Is the answer D? Thanks
October 23, 2014

ap calc
suppose that the position functions of 2 bugs B1 and B2 in motion along the same line are B1=1/2t^2-t+3 and B2=-1/4t^2+t+1 for t is greater than or equal to zero. a) prove the bugs will not collide b)how close do the bugs get to each other? I would greatly appreciate if you ...
October 23, 2014

ap calc
I have solved the problem but am not sure it it is right. I would appreciate if you would check to see if my answer is right. The height of the ball thrown upwards from the top of a 20 foot hill is given by h(t)= -16t^2+90t+20 ft (where t is measured in seconds). how high ...
October 23, 2014

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