Monday

February 27, 2017
Total # Posts: 1,100

**calculus**

Find a cubic function y = ax3 + bx2 + cx + d whose graph has horizontal tangents at the points

*January 9, 2016*

**math**

Draw a diagram to show that there are two tangent lines to the parabola y = x2 that pass through the point (0, −25). Find the coordinates of the points where these tangent lines intersect the parabola.

*January 9, 2016*

**Math**

Suppose that y varies directly as the square root of X and that y=39 when X = 169 what is y when X =80? Round your answer to 2 decimal places.

*January 4, 2016*

**Ath**

A cup holds 1 5/8 gallons of water. How many quarts does it hold ?

*December 12, 2015*

**Chemistry (Help)**

I'm having trouble figuring out this one. Can you please help? I haven't gotten a response to any of my questions. Chemical formula: Na Name: Sodium Bond Type (intramolecular FOA): metallic bond VSEPR molecular shape: none Central Atom Hybridization: none? Molecular ...

*December 9, 2015*

**Chemistry (Check)**

Are these right? Chemical formula: NaCl Name: Sodium chloride Bond Type (intramolecular FOA): ionic bonding VSEPR molecular shape: none Central Atom Hybridization: sp3 Molecular Polarity: polar Interparticle force of attraction (IPFOA): London, dipole-dipole, ion-dipole State ...

*December 9, 2015*

**Chemistry Help**

Which of the following exhibits the highest boiling point? HF, HCl, HBr, or HI Which of the following exhibits the highest boiling point? CH3CH3, CH3COOH, or CH3OCH3 How can you determine the highest boiling point of these?

*December 8, 2015*

**Chemistry**

Which of the following exhibits the highest boiling point? Ne, Ar, Kr, or Xe My answer: Xe Which of the following exhibits the highest boiling point? F2, Cl2, Br2, or I2 My answer: HI Which of the following exhibits the highest boiling point? NaCl, SO2, or N2 My answer: SO2 ...

*December 8, 2015*

**Chemistry**

An aqueous antifreeze solution is 40.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.05 g/cm3. Calculate the molality, molarity, and mole fraction of the ethylene glycol. molality I actually can do this whole problem EXCEPT for one part I'm stuck on. ...

*November 30, 2015*

**physics**

A car of mass 800kg is climbing an incline at 10 degrees to the horizontal. Determine the increase in potential energy of the car mass s it moves a distance of 50m up the incline

*November 26, 2015*

**Math**

The table below represents the velocity of a car as a function of time: Time (hour) x Velocity (miles/hours) y 0 50 1 52 2 54 3 56 Part A: What is the y-intercept of the function, and what does this tell you about the car? (4 points) Part B: Calculate the average rate of ...

*November 25, 2015*

**Physics**

A small sphere has a hole drilled in it and it is placed onto a wire. The wire is bent into a circle of radius 15 centimeters. The sphere can slide freely without friction around the circular wire. The circular wire is held vertically. (a) If the circular loop of wire is spun ...

*November 24, 2015*

**Math**

The question is: The area of a rectangle is given by the expression 8x+44y. Length is 2x+11y. What is width? I answered 4x & 4y, yet that was wrong. Can you help explain why? Thanks

*November 20, 2015*

**4th grade math**

Mary purchased incredients needed to cookies. a table shows the cost for each batch of 5 dozen cookies. ($10.00 total) and the price of cookies = 1/2 dozen = $5; 1 dozen = $8 and 5 dozen = $35. question is if mary sells 3 dozen cookies. what is her profit??

*November 18, 2015*

**Chemistry 102**

The average human body contains 6.00 L of blood with a Fe2+ concentration of 2.00×10−5 M . If a person ingests 6.00 mL of 16.0 mM NaCN, what percentage of iron(II) in the blood would be sequestered by the cyanide ion?

*November 15, 2015*

**Physics**

A plane landing on a small tropical island has just 80 m of runway on which to stop. If its initial speed is 65 m/s, what is the maximum acceleration of the plane during landing, assuming it to be constant? Answer in units of m/s 2

*November 11, 2015*

**georgia state history**

Which of the following was an advantage of the south at the beginning of the civil war A. The south had agriculture products to provide food for the army B. The south had many factories that created superior machinery C. The south had a more advanced fleet of ships than the ...

*November 3, 2015*

**Math**

Thanks Ms. Sue you are the greatest.

*November 2, 2015*

**Math**

Please check my answer. 11 1/9% of what number is 600? I have 5400.54

*November 2, 2015*

**algebra 2 A**

Did you ever get the answer to this???

*October 28, 2015*

**English and Vocabulary**

My Vocab Words: 1. Degenerate 2. Implausible 3. incoherent 4. intercede 5. intricate 6. sanctuary 7. scrutiny 8. sinister 9. suffice 10. vulnerable need help 1-2 Birds feel ___ to attack when they are out in the open where shrubbery is sparse. To attract them to your bird ...

*October 28, 2015*

**Math Word Problem**

Ms. Sue I am still getting -3.88. Are you subtracting?

*October 25, 2015*

**Physics**

A pitched ball is hit by a batter at a 40° angle and just clears the outfield fence, 106 m away. If the fence is at the same height as the pitch, find the velocity of the ball when it left the bat. (Ignore air resistance)

*October 18, 2015*

**Physics**

Oh wait I think I figured it out from a video. Total force is equal to mass time centripetal acceleration Total-F(c) = m*a(c) Where Total-F(c) = m* v^2/r T - mg = m * v^2/r where v^2 = 2gh and h = l and r = l so you get T-mg = m * (2*g*l)/l from that you get T-mg = 2mg then ...

*October 11, 2015*

**Physics**

A simple pendulum has a bob of mass M. The bob is on a light string of length l. The string is fixed at C. At position A, the string if horizontal and the bob is at rest. The bob is released from A and swings to B, where the string is vertical. The tension in the string when ...

*October 11, 2015*

**Math**

So the answer is just 36?

*October 9, 2015*

**Physics**

A 0.050 kg cart has a spherical dome that is charged to +1.0 x 10–5 C. The cart is at the top of a 2.0-m long inclined plane that makes a 30° angle with the horizontal. The cart and the plane are placed in an upward pointing vertical uniform 4000N/C E-field. How long ...

*September 30, 2015*

**Phy**

In the figure, a block of mass m = 3.09 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of magnitude F = 13.7 N at an angle θ = 23.0°. (a) What is the magnitude of the block's acceleration? (b) The force magnitude F is slowly ...

*September 26, 2015*

**Math**

I need help with this math problem. From the reciprocal of 1/9 take 3 2/5.

*September 25, 2015*

**math**

Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!

*September 24, 2015*

**civics**

A big city newspaper prints a story containing untrue statements about the city's mayor that describe him as having stolen a lage amount of money from the public. The story is completely untrue and was invented by the writer of the story. --Why is it necessary to limit ...

*September 21, 2015*

**Physics**

vector r and s lie on an xy plane. magnitudes of 4.5 and 7.25, respecectively directions are 320 degrees and 685 degrees. What is vector r cross product of vector s?

*September 16, 2015*

**Fraction**

4friemds ate 3 large pizzas. Shawn ate 3/4, will ate 1/4 and Mattate 3/4. How much pizza is left

*September 16, 2015*

**Tourism,business studies,maths literacy**

A tour guide

*September 16, 2015*

**Pre Algebra**

I have a rectangle that represents one whole. There are three sections that equal 1/3 each. I want to subdivide those sections into even & uneven squares. EX: 1/3 divided by 2 = 1/6 I am having trouble identifying the uneven squares. Could you please show me a few examples ...

*September 11, 2015*

**reading**

what is the sequence of components in the following sentence listless and depressed by vistas of snow and grey sky's, Dieter left the cabin and walked toward the frozen pond . (A).subject modifier verb (B).modifier subject modifier verb (C)modifier subject verb (D)subject ...

*September 10, 2015*

**English**

Identify the verbs and verb phrases in the following sentences. Then, classify each verb or verb phrase as transitive action, intransitive action, or intransitive linking. Give the object(s) of each transitive action verb and the subject complement(s) of each linking verb. 2. ...

*August 24, 2015*

**Language**

2.sounds transitive. object familiar 3. will spell - transitive. object word. 4. hides - transitive. object wrong. 5. might have come - instransitive

*August 24, 2015*

**Language**

Thank You! 2. borrowed--instransitive 3. will spell -- instransitive 4. hides - transitive. Object spelling 5. might have - instransitive

*August 24, 2015*

**Language**

Identify the verbs and verb phrases in the following sentences. Then, classify each verb or verb phrase as transitive action, intransitive action, or intransitive linking. Give the object(s) of each transitive action verb and the subject complement(s) of each linking verb. 1. ...

*August 24, 2015*

**Algebra**

negative numbers closed under subtraction. True or false My answer is false, is this correct

*August 20, 2015*

**Math**

Thank You Anonymous for your help.

*August 9, 2015*

**Math**

No, it's not a three digit number. I hardly listen to him anyway. So, What is the smallest three digit number that is divisible by exactly three different prime numbers and how do you get this? Thanks for any help you can give me.

*August 9, 2015*

**Math**

How would I find the smallest three digit number that is divisible by exactly three different prime numbers? My friend says the answer is 2 - 3 - 17 but won't tell me how he got it. Any help would be much appreciated. Thank You.

*August 9, 2015*

**Math**

what is a real life example of 3/4 divided by 1/2

*August 8, 2015*

**Math**

So, anything over the difference you divide in half and give each team a half? I tried this with different numbers and it seemed to work. I think I have it now. Thank You again Ms. Sue, for all your help.

*August 8, 2015*

**Math**

Hi Ms. Sue. I was glad to see you out there. 24 is not the answer is it? That sounds too easy! I guess I do need the answer but I truly want to know how to get to it. Thank You sooooo much Ms. Sue

*August 8, 2015*

**Math**

I have finished Summer Work all but this one. Denver beat the Giants in a game. The sum of their scores was 44. The difference of their scores was 20. How many points did Denver score? I don't want the answer, I just want to know how to figure it out. Thank You for any ...

*August 8, 2015*

**math**

I don't know!

*July 20, 2015*

**psychology**

what happens to the brain as an individual grows older? a. what happens to the billions of nerve cells in the cortex as one becomes older? b. will the dead neurons be replaced? c. why is memory affected as one grows old?

*June 26, 2015*

**Art please help!**

thanks 100%

*May 18, 2015*

**Math**

Thank you Jai - I wish I had the nerve to tell her she was wrong, I tried that once and oh boy, let's just say things did not work out after that. I'll just know I was right and accept the 2 points off. Thank You again Kyle

*May 18, 2015*

**Math**

Problem is: 58,000.000 KM being converted to light-years I did 58,000,000 x 365 x 24 x 60 x 60 and came up with 0.0000006131 and converted that to 6 x 10 to the negative 6. My teacher says it should have been 6 x 10 to the negative 5? Could you explain where I went wrong? ...

*May 18, 2015*

**Math**

Thank You for the help.

*May 17, 2015*

**Math**

Could someone show me the formula to convert KM to Light-Years? Thanks for any help you can give me.

*May 17, 2015*

**Math**

THANK YOU AGAIN MS. SUE looks like I'm getting pretty good with your help LOL Thank you again Kyle

*May 16, 2015*

**Math**

The cost of one swimming lesson for various numbers of students is given in the table below. How much would each student have to pay for a swimming lesson in a group of 6 students? # of students Total Cost 1 $40.00 2 $50.00 3 $60.00 4 $70.00 I think the answer is total $90.00 ...

*May 16, 2015*

**Math**

Tickets for children cost $3.00, adult tickets cost $5.00. I am responsible for selling 6 tickets. How would I figure out all the possible dollar amounts that my ticket sales could total? SOOOO confused, please, any help would be sincerely appreciated. Thank You

*May 14, 2015*

**Chemistry**

If 0.176 g of pure sodium hydroxide was dissolved in water and the solution titrated with 5.05 mL of hydrochloric acid solution to a phenolphthalein end point, calculate each of the following of the hydrochloric acid solution. (a) the molarity = .871 (b) the percent by mass (...

*May 6, 2015*

**Language Arts**

is it D

*May 4, 2015*

**Language Arts**

In Dragonwings for this question: From this text: Why I daresay they make better neighbors than some other folk, whom I won't name because I'm a Christian woman. Miss Whitlaw glared a poisonous glance at the demon, who had guided the soldiers over here. The demon ...

*May 4, 2015*

**Language Arts**

Need help with this question: Which of the following word pairs best shows in the novel shows how the people of San Francisco were affected by the earthquake in the book DragonWings? A. shocked and tired B. angered and violent C. traumatizing but hopeful d exhausted but ...

*May 4, 2015*

**math**

Would the solution be just 40?

*April 30, 2015*

**math**

We did the question (And how many combinations are possible if digits may be repeated?)

*April 30, 2015*

**math**

Answer the following questions below that go with the following: Let's say that a locker combination lock uses numbers 0 through 39 for a 3 digit combination. 1.) Exactly how many combinations are possible if NO digit may be repeated? And how many combinations are possible...

*April 30, 2015*

**science**

Could you please check my answers? Question one: When evolution was first proposed, which of the following was used as evidence as support? A. Observations of nature. B. lab experiments. C. extensive fossil collections, D. genetic sequences. I chose answer C. Second Question: ...

*April 29, 2015*

**math**

A cardboard box is open at one end and is shaped like a square prism missing one of its square bases. The volume of the prism is 810 cubic inches, and its height is 10 inches. A)What is the length of each side of the base? B)Draw a net of the box C)How much cardboard is used ...

*April 28, 2015*

**math**

Raj builds a side table in the shape of a cube. Each edge of the cube measures 20 inches. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 5 inches. How many tiles will he need? THANK YOU!

*April 23, 2015*

**Language Arts**

Is it C

*April 21, 2015*

**Language Arts**

Hello, this is long but I need my answer checked to this short selection the question is asking What best expresses the Author's point of view. Story selection: There's good news and bad news about grizzly bears in the American West. The good news their numbers have ...

*April 21, 2015*

**Language Arts**

ok thanks

*April 21, 2015*

**Language Arts**

its just asking the main conflict of what was a dialogue

*April 21, 2015*

**Language Arts**

Hello, I need help with these questions and checking my answers. First Question: Which one of these lines is the main conflict? I don't have to remind you to get your grades up,You're the only one without approval that's due in two weeks, or Jason who is entering ...

*April 21, 2015*

**CHEM**

Yes, that problem makes sense to me that you attached. How do I go about this problem though if I don't have a dilution factor? I only have the half life and the activity.

*April 20, 2015*

**CHEM**

An isotope has a half-life of 56 days. It now has 10,000 DPM/ml. What is the activity in the diluted specimen? Very confused, any help would be appreciated!

*April 20, 2015*

**Math**

1. im not sure 2. correct

*April 14, 2015*

**Science**

How much current does a flashlight use if its battery supplies 3.0 Volt and the bulb has a resistance of 4.0 Alpha

*April 7, 2015*

**math**

Stewart is playing a video game. He earns the same number of points for each prize he captures. He earned 1,200 points for 6 prizes, 2,000 points for 10 prizes, and 2,600 points for 13 prizes. Which is the dependent variable in this situation? A)the number of prizes captured B...

*April 4, 2015*

**math**

Jose wants to find how many gallons of water he needs to fill his cube-shaped aquarium. One side of his aquarium is 4 feet long. a)Write and solve an expression to find the volume of Jose's aquarium. b)One cubic foot is equal to 7.48 gallons of water. How many gallons of ...

*March 10, 2015*

**math**

Marcus is doing a science experiment in which he measures the rate at which bacteria multiply. Every 15 seconds the bacteria double in number. If there are 10 bacteria now, how many will there be in 2 minutes?

*March 10, 2015*

**chemistry**

start by figuring out what 35.51 percent of 169 grams is. It is around 60 grams (60.0119g to be exact) this is the percentage of carbon in MSG. Now look at the bottom number on the periodic table for carbon 12.01, meaning one Mol is 12.01g, therefore 5 carbons will be needed ...

*March 6, 2015*

**biology**

Assuming logistic growth, if I told you there are currently 100 quail on campus, with r=0.1, but that they have greatly exceeded their carrying capacity = K = 50. How many quail will be in the population next generation I don't remember how K factors in

*March 6, 2015*

**Ecology**

Assuming logistic growth, if I told you there are currently 100 quail on campus, with r=0.1, but that they have greatly exceeded their carrying capacity = K = 50. How many quail will be in the population next generation? So r is rate of growth, and it determines the increase ...

*March 6, 2015*

**math**

Select the sentence that is correctly completes the sentence below. to convert from a smaller unit

*March 4, 2015*

**math**

aw thank you so much. so, how do to write with step? (gof)(x)=4x2-16x+8 (g(f(x))=4x2-16x+8 and then?

*March 4, 2015*

**math**

f(x)=(2x-3) (gof)(x)=4x2-16x+18 g(x)...?

*March 4, 2015*

**math**

Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet.What is the width of the basketball court? Thank you!

*March 3, 2015*

**math**

SORRY.. here is the question... What is the width of the basketball court?

*March 3, 2015*

**math**

Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet as shown in the following diagram. Thank you!

*March 3, 2015*

**Science**

Organs like the liver, lungs, and intestines, each perform a specific job. COMPARE AND CONTRAST: How are the organs in a model of a human body the same and how are they different? Thx!!

*February 28, 2015*

**physics**

if you have your distance of 13,132m and you know your speed of 233m/s recall distance=speed x time so take your distance and divide it by your speed 13,132/233= 56.361 seconds ULL Physics

*February 26, 2015*

**math**

Alan has partially completed the chart showing the distance between his town, Greenville and two other towns. DISTANCE BETWEEN GREENVILLE and NEARBY TOWNS (miles) Parker = 29 Hadley = ? 1)The distance between Hadley and Greenville is 13 miles less than the distance between ...

*February 26, 2015*

**social studies**

thank u so much

*February 25, 2015*

**math**

William earns $13 an hour working at a movie theater. Last week he worked h hours at the concession stand and three times as many hours at the ticket counter. Write and simplify an expression for the amount of money William earned last week. THANK YOU!

*February 24, 2015*

**Math**

Thank you Steve, sorry for the confusion. This is a chart with x's in the numbers (like a bin). There aren't any x's in 5 or 7. Would I exclude them and only use, 0, 1, 2, 3, 4, 6, and 8? Then my median would be 3. Correct? Thanks

*February 23, 2015*

**Math**

I have a table with x and y. x = 0, 1, 2, and 3. y=2xsquared. My answers are 0 = 0, 1 = 4, 2 = 16, and 3 = 36. Am I right? Thanks.

*February 23, 2015*

**Math**

I have to find the median of 0, 1, 2, 3, 4, 5, 6, 7, 8. There is no data in 5 or 7. Would the median still be 4? Thanks for your help

*February 23, 2015*

**science**

I am on the same 1 to

*February 21, 2015*

**social studies**

what did juan perón and salvador allende have most in common?

*February 18, 2015*

**Geometry**

A ship sails 400 km on a bearing of 75 degrees

*February 18, 2015*