Saturday

December 10, 2016
Total # Posts: 2,563

**Algebra**

y^2-x-4=0 a)find all x and y intercepts of the graph implied by this equation. (use an appropriate equation). b) test the graph for symmetry using algebra. (explain reasoning through algebra)

*February 24, 2016*

**Math- Calc**

Suppose f(5)=5, f′(5)=5, g(5)=8, g′(5)=−8, and H(x)=f(x)e^(g(x)). Find the derivative (dH)/(dx) x=5. H′(5)= ___

*February 24, 2016*

**Math**

A rectangular box is 4cm wide, 4cm tall, and 10cm long. What is the diameter of the smallest circular opening through which the box will fit? Round to the nearest tenth of a centimeter. Is it 4 squared plus 4 squared which equals 32 then take the square root of 32 and get 5.65...

*February 23, 2016*

**Math- Calc**

Suppose F(G(x))=x^(2) and G′(1)=5. Find F′(G(1)). F′(G(1))= ___

*February 22, 2016*

**bio tech**

Describe hpow you would prepare 2 L of a 0.5 g/ml dextrose solution?

*February 21, 2016*

**math**

You make cards and sell them for $2.50 each. It costs $1.15 to print each card. You also pay $50 for supplies. How many cards must you sell to meet the cost for making the cards (you break even)? Round up to the next whole card.

*February 16, 2016*

**math 4th grade**

The area of Charleston vegetable garden is 40 square feet.If the width of the garden is feet. What is the length of the garden?

*February 16, 2016*

**math 4th grade**

The question is correct. This is way the she gave the problem

*February 16, 2016*

**math 4th grade**

Mrs. Myers makes a flower garden outside the club house. The garden is 23 meters wide and 27 meters long. What is the area of Mrs. Myers garden?

*February 16, 2016*

**math 4th grade**

The area of Mrs. Charleston vegetables garden is 40 square feet.If the width of a garden is feet. What is the length of the garden?

*February 16, 2016*

**Managerial Finance**

Isabelle wants to save up an amount of $150,000 for her son's college education fees, coming up in 5 years. Find the amount that should be invested today if the bank pays an interest rate of 5% compounded annually

*February 14, 2016*

**Math**

A rectangle ABCD is inscribed in a circle of radius 'a'. Find the 'area of the rectangle' function and state the domain.

*February 13, 2016*

**math**

There were six hundred students to a football match the beginning of the match there one thousand students

*February 11, 2016*

**Math- Calc**

Suppose f(x)= |x^(2)+2x−63|. Where is f(x) not differentiable?

*February 9, 2016*

**Math**

Hmm, DNE was incorrect.

*February 9, 2016*

**physics**

A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.50 m/s at an angle of 18.0° below the horizontal. It strikes the ground 5.00 s later. (a) How far horizontally from the base of the building does the ball strike the ...

*February 5, 2016*

**Math**

Thank you so much :)

*February 2, 2016*

**Math **

Impulses in nerve fibers travel at a speed of 293 ft./sec . the distance D traveled in T seconds is given by D =293t . how long would it take an impulse to travel from the brain to the toes of a person who is 6 feet tall? My answer: 6ft=293t 6/293=0.020477 seconds?

*February 2, 2016*

**math**

Your math test has 38 questions and is worth 200. points. The test consist of multiple choice questions worth 4 points each and open ended questions worth 20 points each. How many of each type of question are there?

*February 2, 2016*

**Math **

During a sale at a store, you buy 3 sweatshirts and two pairs of sweatpants for 85.50. Later you buy 3 more sweatshirts and 4 more pairs of sweatpants for 123.00. WHat is the sale price of each sweatshirt and each pair of sweatpants? How did you get the answer what formula

*February 2, 2016*

**Math**

A student bought 3 boxes of pencils and 2 boxes of pens for $6. He then bought 2 boxes of pencils and 4 boxes of pens for $8. Find the cost of each box of pencils and each box of pens.

*February 2, 2016*

**Introductory algebra**

1/11-(-4/11) add or subtract as indicated

*February 1, 2016*

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.55 m/s. The car is a distance d away. The bear is 17.1 m behind the tourist and running at 4.84 m/s. The tourist reaches the car safely. What is the maximum possible value for d?

*January 31, 2016*

**MATH**

Well. This just stinks.

*January 28, 2016*

**MATH**

Sorry, these were the right answers. :/

*January 28, 2016*

**MATH**

1. Which is equivalent to this expression? 9 – 5(4 – 2) / 3 + 5 A. -13/8 B. -1/8 C. 1 *** D. 7/4 2. There are 2 linen closets and 3 walk-in closets in each apartment in a building. The total number of closets in the building can be represented by 2n + 3n, where n ...

*January 28, 2016*

**Math**

Find ∑(j=12 up to 99) of 2j+1/(((j+1)^2)j^2)

*January 14, 2016*

**Social Studies**

Never mind people! im in 6th grade.

*January 14, 2016*

**Social Studies**

I need help with this to!!!

*January 14, 2016*

**Physics**

If a 1350 kg minivan hits a barrier with a force of 2500 n and stops in 2.8 sec, how fast must the minivan have been traveling?

*January 13, 2016*

**math**

In right triangle ABC,BC=8cm and AC=17cm.Find the value of sin C

*January 13, 2016*

**math**

what is the dimension of 100 ft diagonal?

*January 12, 2016*

**Math**

There is a box and inside it is a bunch of hats. 1/6 of the hats are red, 1/3 of the hats are blue. 3/7 of the remainder are green. There are 27 green hats. How many hats are there in total?

*January 7, 2016*

**Math**

The telephone company wants to know how many different phone numbers are available for one area code. the only restrictions are on the prefixes, you can't start with a zero and you can't use 411, 611, 811, 911, or 555. how many different phone numbers are available?

*January 6, 2016*

**grammar**

ask not what your country can do for you but ask what you can do for your country,said john f.kennedy. tell me how to change this sentence in indirect speech

*January 6, 2016*

**Geometry**

If congruent side FH is a median of△EFG,find the perimeter of △EFG

*December 20, 2015*

**math**

Michael spends three hours cleaning his house you spend equal amount of time cleaning each room you spend a half an hour cleaning its room how many rooms does he have left 3/1 ÷1/2= 3/1× 2/1 =6/1 =6

*December 15, 2015*

**math**

the total surface of a cube that is y inches on each side.what is the algevraic expression

*December 9, 2015*

**Math please help**

So is my equation correct?

*December 7, 2015*

**Math please help**

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?

*December 7, 2015*

**Math trigonometry**

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?

*December 7, 2015*

**Math**

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?

*December 7, 2015*

**Math**

Determine the angles if sin= -1/2 My answers were 11pie/6 and 4pie/3 ?

*December 3, 2015*

**physics**

What thickness of Pyrex glass would have the same R−factor as a 1.0−cm thick stagnant air pocket?

*December 2, 2015*

**Science 8**

I do im in 6thgrade

*November 30, 2015*

**Chemistry**

12.903

*November 27, 2015*

**Chemistry**

and NH4H2PO4 thanks DrBob22

*November 25, 2015*

**Chemistry**

Write the formulas of the compounds formed by NH4+ with the following anions: CN-, ClO3-, SO42-, H2PO4-

*November 25, 2015*

**physics**

Calculate the Specific Gravity of an object that sinks in water if m = 21.97 g and mA = 17.40 g.

*November 23, 2015*

**phyics**

Calculate the specific gravity of a liquid given the following information: m = 59.30 g, mA = 33.78 g, mL = 43.60 g.

*November 23, 2015*

**Pre-calculus**

Initially 600 milligrams of a radioactive substance was present. After 7 hours the mass had decreased by 3%. Construct an exponential model A(t) = A0ekt for the amount remaining of the decaying substance after t hours. Find the amount remaining after 24 hours.

*November 23, 2015*

**Statistics **

The ratio of brown M&M’s in a bag is stated by the candy company to be 56%. If a random sample of 500 bags is selected, determine the probability that the sample proportion of random bags of M&M’s selected has a percentage of brown between 51% and 59% p=.56 standard ...

*November 23, 2015*

**Chem**

The solubility of calcium sulfate is1.90g of caso4 per liter of aquences solution at 25c. The formula weight of caso4 is 136.11 calculate the solubility product of caso4.

*November 17, 2015*

**physics**

If a standing wave with 10 antinodes occurs at a frequency of 44.1 Hz, at what frequency would you look for the n = 2 standing wave?

*November 16, 2015*

**physics**

If a standing wave with 10 antinodes occurs at a frequency of 44.1 Hz, at what frequency would you look for the n = 2 standing

*November 16, 2015*

**physics**

You take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a tension of 2.20 N. You use your data to create a plot of wavelength (in m) vs inverse frequency (in s) and the linear fit of your graph gives a slope of 19.0. What ...

*November 16, 2015*

**mATH**

Mr. Adams said that 10 more than 7 times his age is 9 years fewer than 5 times his age with the digits reversed. How old is Mr. Adams?

*November 11, 2015*

**Math**

If a triangl if a triangle triangle has a perimeter of three units with a row of two connecting triangles the parameters for units what is the perimeter of a row of Tronic 20 triangles triangles

*November 10, 2015*

**math**

moniques family was very impressed with their waitress. the cost of their dinner was $85. They want to leave 20% tip. how much should they leave?

*November 9, 2015*

**algebra 1**

rene needs to determine the equation of a line passing through the point (-1,7) that is parallel to y=-3x-4 a. y=-3x+7 b. y=-3x+4 c. y=3x-7 d. y=3x-4

*November 9, 2015*

**Math**

So it is the 2 that is in the thousandths place. To Ms. Sue

*November 5, 2015*

**Math **

Sorry the number is 0.8923 which digit is in the thousandths place? I believe it is the 8 but the 0 is throwing me off

*November 5, 2015*

**Math**

Which digit is in the thousandths place am confused by the 0 but I believe the 8 is in the thousandths place.

*November 5, 2015*

**Math**

was working it to fast forty-nine

*November 5, 2015*

**Math**

I have to write this number in word form 1,358,049? Is it One million, three hundred fifty-eight thousand, forty-five

*November 5, 2015*

**math**

At a school there are 704 chairs to place into 22 classes if the same number of chairs are placed in each class rooms how many chairs will be in each room? So I divided 704 by 22 and came up with 32 chairs and I correct.

*November 3, 2015*

**math**

Thank you Ms. Sue

*November 3, 2015*

**math**

3,537,000

*November 3, 2015*

**math**

3,537

*November 3, 2015*

**math**

The total land area for the United States is 3537438.98 square miles what is the value rounded to the nearest thousand square miles?

*November 3, 2015*

**physics**

To leave Nicholson, you exit via the door to the quad. The door is 40 inches wide and has a mass of 200 kg. You push the door with a perpendicular force of 52.61N exactly 0.86m away from the hinge. This generates the minimum torque, \tau_1, required to open the door. If you ...

*November 2, 2015*

**phyics**

a 1350 g projectile is launched with a force of 150N. the length f the firing arm is 1.25 m . determine the velocity

*October 27, 2015*

**algebra**

The mass of jupiter is about 1.900*10^24 metric tons.The mass of the sun is about 1.998*10^27 metric tons.about how many times the mass of jupiter is the mass of the sun?give answer in scientific notation.

*October 25, 2015*

**math**

two trains are at stations that are 800 miles apart. if they start traveling toward each other at the same time one averaging 67 mph and the other averaging 53 mph in how many hours will they pass each other?

*October 22, 2015*

**Math**

Write and graph an inequality for the daily number of calories that are recommended for a sedentary male. The graph shows Sedentary as: no more than 2200 calories.

*October 22, 2015*

**English**

That's another example in a different sentence in my essay. I already changed it , I need something to replace "doing lots"

*October 19, 2015*

**English**

Colloquial **

*October 19, 2015*

**English**

She doesn't want me to use that. For example she also said I had to change the word "handle " since it was colloquy a and I changed it to manage.

*October 19, 2015*

**English**

He is capable of doing lots with his physical ability but relies on the support of George in his life.

*October 19, 2015*

**English **

In my essay I wrote "doing lots" in a sentence and my teacher wrote me back feedback saying it was colloquial , how can I correct /change this and what can I use instead? Thanks :)

*October 19, 2015*

**Social Studies**

c. The Philippines Islands

*October 16, 2015*

**History**

Do some types of speech deserve more constitutional protection than others? If so, describe one (1) type that deserves the most protection and one (1) type that deserves the least.

*October 16, 2015*

**physics**

A person pushes a 16.5-kg shopping cart at a constant velocity for a distance of 36.6 m on a flat horizontal surface. She pushes in a direction 27.9 ° below the horizontal. A 48.1-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force ...

*October 13, 2015*

**math**

Maria needed 5 gallons of gas to fill her car's gas tank. The mileage odometer read 34,300 miles. When the odometer read 34,528 Maria filled the tank with 12 gallons. At the end of the trip, she filled the tank with 17 gallons, and the odometer read 34,868 ...

*October 8, 2015*

**algebra**

please help!!

*October 8, 2015*

**algebra**

How would you convert the repeating nondeterminating decimal into a fraction? 0.151515...

*October 8, 2015*

**Math**

An executive committee consists of 11 members: 5 men and 6 women. 3 members are selected at random to attend a meeting in Hawaii. The names are drawn from a hat. What is the probability that all 3 selected are women? Thanks for the help

*October 8, 2015*

**Math**

Suppose you draw a card from an ordinary deck of playing cards What are the odds in favor of drawing a face card? b. What are the odds against drawing a face card?

*October 7, 2015*

**Chemistry**

How many moles of chloride ions are in 100mL of a 0.3molar solution of AlCl3? #moles Cl =(.3M AlCl3)(.1L)(105g/mol / 132g/m0l)

*October 6, 2015*

**Chemistry**

A 453 mL solution has a chloride concentration of 0.0253 M. This solution was prepared by adding solid FeCl3 to water. How many grams of FeCl3 are required?

*October 5, 2015*

**Math**

109-x=96 cannot figure out why 13 keeps coming up as the answer. Seems like you should be adding 109 to both sides; any help?

*October 1, 2015*

**Math**

1.8 divided into 5.0 is what answer? My answer is 2.7 with 7 continuing or with a remainder of 14

*September 30, 2015*

**Grade 12 Math **

At a certain marathon race, the winner comes in at a time of 130 minutes. Second place comes in at a time of 135 minutes, and third place comes in at 140 minutes. Starting with third place, contestants come in at regular intervals all the way up to the last successful finisher...

*September 29, 2015*

**Math**

Julio is making a bookcase with 5 shelves. Each shelf is to be 3/4 yard long. How much wood does Julio need for the shelves?

*September 29, 2015*

**Math **

At a certain marathon race, the winner comes in at a time of 130 minutes. Second place comes in at a time of 135 minutes, and third place comes in at 140 minutes. Starting with third place, contestants come in at regular intervals all the way up to the last successful finisher...

*September 29, 2015*

**Math**

PLEASE HELP ASAP!!! 1 rectangular prism has a base area of 120 square feet, a height of 12 feet per second and has dimensions of 84 inches, 6 feet, and 16 feet. Is the volume of the second more than or less than half that of the first? now explain

*September 27, 2015*

**Science**

343j

*September 27, 2015*

**physics - engine**

A car V8 has a bore of 4 in. and a stroke of 2.5 in., what is the engine size?

*September 26, 2015*

**history**

Andre was correct just took the test got 100% Thanks Andre!

*September 21, 2015*