Friday

September 30, 2016
Total # Posts: 189

**chemistry**

A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 450 mL of a solution that has a concentration of Na+ ions of 0.700 M

*March 27, 2011*

**chemsitry**

Calculate the mass in grams of sodium bromide, NaBr, are needed to prepare 250.0 mL of a solution of sodium bromide that is 3.50% (m/v).

*March 20, 2011*

**math**

There are 1728 cubic inches in a cubic foot. Therefore, you divide 5040 by 1728: 5040 / 1728 = 2.92 cubic feet. It is easy to overlook that to get a cubic foot, you have 12 rows, 12 columns, and 12 layers of cubic inches. 12 x 12 x 12 = 1728

*March 16, 2011*

**geometry**

Find the perimeter and area of a right triangle if one leg measures 24 ft. and the other leg measures 70 ft. Please show the steps so I can do the next one. Thanks

*March 5, 2011*

**geometry**

Find the perimeter and area of a right triangle if one leg measures 24 ft. and the other leg measures 70 ft. Please show the steps so I can do the next one. Thanks

*March 5, 2011*

**math**

Dane is three years older than twice his brother's age,(b). Which algebraic expression below represents Dane's age? A. b+3 B. 2b+3 C. 3-2b D. 2b-3 I think the answer is C.

*February 25, 2011*

**math**

Daniel's bonus at work this year is $1000.00 added to 20% of his yearly salary. If X represents his yearly salary, which of the following algebraic expressions should be used to figure the amount of his bonus? A. 0.2(1000+x) B. 1000+x/0.2 C. 0.2x+1000 D. x/0.2+1000

*February 25, 2011*

**math**

I think its c.

*February 25, 2011*

**math**

Dane is three years older than twice his brother's age,(b). Which algebraic expression below represents Dane's age? A. b+3 B. 2b+3 C. 3-2b D. 2b-3

*February 25, 2011*

**math**

u the best teacher ever!!!!!!!!!!!!!!!!!!!!!

*February 25, 2011*

**math**

is the answer 10 miles

*February 25, 2011*

**math**

On the way to school, Bobby noticed the school bus travels 8 miles north, then turns west and goes 6 miles to get to school. If there were a road that went straight from Bobby's house to school, how long the road would be?

*February 25, 2011*

**math**

Which set of decimal numbers is in the order from least to greatest? A. .04,.004,.4,.043 B..004,.4,.043,.401 C..043,.401,.004,.04 D..004,.043,.4,.401

*February 25, 2011*

**math**

I say its c

*February 25, 2011*

**math**

a. 5/12=1.25/x b. 5/12=x/1.25 c. 5/x=12/1.25 d. x/5=12/1.25

*February 25, 2011*

**math**

At the school store, 5 pens sell for $1.25. Which proportion will help find the cost of 12 pens?

*February 25, 2011*

**math**

b is the answer

*February 25, 2011*

**math**

i think c is the answer

*February 25, 2011*

**math**

Which set of decimal numbers is in the order least to greatest? A. .04,.004,.4,.043 B..004,.4,.043,.401 C..043,.401,.004,.04 D..004,.043,.4,.401

*February 25, 2011*

**math**

The area of the figure is at least 400 square meters. Write and solve a two-step inequality to represent the possible values of x. Use 3.14 for 𝛑.

*January 20, 2011*

**math**

no im stupid and dumb

*January 12, 2011*

**math**

not an answer choice

*January 12, 2011*

**math**

not an answer choice

*January 12, 2011*

**math**

no help me

*January 12, 2011*

**math**

rectanle classroom shape

*January 12, 2011*

**math**

The length of one side is 56 feet. what is the approximate area of the room?

*January 12, 2011*

**math**

Earl cuts lawns in his neighborhood. He can cut 1 lawn in 45 minutes, and he gets paid $9.00 per lawn. What is his rate of pay per hour?

*January 12, 2011*

**math**

u meeased up in ur face

*January 12, 2011*

**Math**

two sides of a triangle are equal. The third side is 3 less than the sum of the two equal sides. The perimeter is 31 inches. Find the length of each side

*December 10, 2010*

**healthcare finance**

50000

*December 7, 2010*

**One time business investment**

Bobbie Rae is lending Tommy Lee $4,500 to open up a bait shop at one of the nearby lakes. Tommy Lee says he will repay Bobbie Rae at the end of 4 years with 7% interest compounded quarterly. How much will Bobbie Rae receive at the end of the 4 years? Hint: Treat this like a ...

*November 21, 2010*

**finance mortgage payment**

Purchase a home for $160,000. I intend to put down 20% and finance the remainder over 15 years at 6 3/8% interest. If my taxes & insurance totals $3,600 per year, how much will my total monthly payment be?

*November 21, 2010*

**social studies **

what are ten adjectives that describe road transportation

*November 14, 2010*

**history**

antebellum louisina

*November 14, 2010*

**history**

what are ten adjectives that railroad transportation

*November 14, 2010*

**history**

where did u get these words from

*November 14, 2010*

**history**

antebellum louisiana

*November 14, 2010*

**history**

what are ten adjectives that describe water transportation

*November 14, 2010*

**social studies**

what are ten adjectives that describe road transportation

*November 14, 2010*

**math**

3.5x-2 = 4x+1

*November 14, 2010*

**history**

cause: americans moved into spanish texas effect: what's an effect

*November 7, 2010*

**h**

cause: lewis and clark explored the west effect: What's an effect?

*November 7, 2010*

**history**

cause: aaron burr plotted to seize territory what's an effect

*November 7, 2010*

**history**

cause: british impressed american sailors Whats a effect?

*November 7, 2010*

**history**

cause: spanish restricted use of port of new orleans What's the effect?

*November 7, 2010*

**history**

cause: revolution broke out in haiti effect: I don't know this, can u help me

*November 7, 2010*

**history**

cause:louisiana purchase was completed effect: napolean sold la to united states Is that right?

*November 7, 2010*

**Physical Science**

A pendulum has 343 J of kinetic energy at the lowest point in its swing. At the highest point in its swing, it has a height of 5 m. What is the pendulum's mass?

*October 25, 2010*

**algebra**

25 miles / hour = x meters / minute

*October 11, 2010*

**history**

is late neo indians nomadic or sedentary?

*October 5, 2010*

**history**

Is early neo indians nomadic or sedentary?

*October 5, 2010*

**social studies**

Is the meso indians nomadic or sedentary?

*October 5, 2010*

**social studies**

Is the paleo indians nomadic or sedentary?

*October 5, 2010*

**Physics**

Thank you

*October 3, 2010*

**Physics**

If I take a glob of mud and throw it against a wall with the speed of V and stops in time T and than I take a ball and throw it and it hits the wall with speed V and leaves the wall a time T later at a speed of 0.5V and they both have same value and mass, which one involves a ...

*October 3, 2010*

**Dr. Bob can you look at this**

If I take a glob of mud and throw it against a wall with the speed of V and stops in time T and than I take a ball and throw it and it hits the wall with speed V and leaves the wall a time T later at a speed of 0.5V and they both have same value and mass, which one involves a ...

*October 3, 2010*

**Physics**

If I take a glob of mud and throw it against a wall with the speed of V and stops in time T and than I take a ball and throw it and it hits the wall with speed V and leaves the wall a time T later at a speed of 0.5V and they both have same value and mass, which one involves a ...

*October 3, 2010*

**math**

I think 16.

*September 28, 2010*

**math**

2*2*2*2 Evaluate expression.

*September 28, 2010*

**Math**

A.J made 82.32% of the free throws he shot. What number is not equivalnet to 82.32%. A 823.2/1000 B. 8.232 C. 8232/10,000 D. 82.32/100

*September 22, 2010*

**algebra**

solve log 4 x = -2

*September 11, 2010*

**math**

Tom sleeps an average of 7.73 hours a day. In one non-leap year, how many hours does Tom sleep?

*September 3, 2010*

**Literature! HELP**

thankyou, but i couldn't find it with in the aritcle

*July 7, 2010*

**Literature! HELP**

Romanticism became popular _____. A. before the Enlightenment B. during the Enlightenment C. at the end of the Enlightenment D. a century after the end of the Enlightenment

*July 7, 2010*

**human resources**

challenge facing human resources planning

*April 24, 2010*

**art 101**

Realism by 1860 had lost its political meaning and became also known as

*April 20, 2010*

**Chemistry**

is it 50.0g X 18.02

*April 19, 2010*

**Chemistry**

what is the % of mass of 50.0g of solute in 45.0g of water?

*April 19, 2010*

**math**

A coin is tossed and then a die is rolled. Find the probability of getting a 5 on the die given that the coin landed tails up.

*December 13, 2009*

**math**

Determine whether the system is consistent, inconsistent, or dependent. 3x + 2y = 15 6x + 4y = 30

*November 18, 2009*

**Alg2**

The tangent to a circle may be defined as the line that intersects the circle in a single point, called the point of tangency. If the equation of the circle is x^2 + y^2 = r^2 and the equation of the tangent line is y = mx + b, show r^2(1 + m^2) = b^2 Hint: The quadratic ...

*October 22, 2009*

**physics**

I do not really know but somthing to do with isolating Vo ?

*May 17, 2009*

**math**

Business and finance. Avirus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files?

*April 9, 2009*

**HIS**

Describe "the culture of consumption" during the Eisenhower administration. How do you think such large-scale, new-found getting and spending influenced people’s feelings about America?

*March 14, 2009*

**9th lit**

kith will only buy his groceries at bandbMarkets'the freshest store in town.

*June 23, 2008*

**math**

need help Tweleve is sixteen less than four times a number.

*December 9, 2007*

**math**

someone please help please help don't understand solve each literal equation for the indicated variable. (solve for s) d=c-s ______ n

*December 8, 2007*

**math**

any help would be great The sum of 2 consecutive integers is equal to their difference.

*December 7, 2007*

**math/algebra**

please check my answers Suppose that the temperature outside is dropping at a constant rate. At noon, the temperature is 70 F and it drops to 58 F at 5 p.m. How much did the temperature change each hour? 12/5=2.4 degrees per hour. Evaluate the expression if a=-2, b=5,c=-4, and...

*November 27, 2007*

**Algebra 2**

Before I go on and give you the problenms let me explain. i am not some lazy kid trin to get people to do my homework over the internet. I am freshman that just recently skippeda garde in math and I need some help. The problems below are from my pop quiz out of the text book i...

*October 21, 2007*

**Algebra 2**

Before I go on and give you the problenms let me explain. i am not some lazy kid trin to get people to do my homework over the internet. I am freshman that just recently skippeda garde in math and I need some help. The problems below are from my pop quiz out of the text book i...

*October 21, 2007*

**algebra**

Find all positive values for k for which each of the following can be factored. x^2+3x+kthe coefficent of the middle term is 3 3=2+1 k=2*1=2 did i do this right This one I had no Idea where to start can some one please explain it to me x^2+x-k The second one cannot be factored...

*May 9, 2007*

**algebra**

what expression raised to the third power is 81x^12y^8z^16 answer is 3x^4y^2z^4 No. 3 cubed is 27, and 4 cubed is 64, and (z^4)^3= z^12

*May 7, 2007*

**algebra**

A homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. The insulation comes in 40-cm wide rolls that are cut to fit between the rafters in the attic.if the roof is 7 m from peak to eave and the attic space is 3 m high at the peak, how long does...

*May 4, 2007*

**algebra 1 help**

I am having a hard time understanding these problems would some one please explain what i need to do the teacher is asking me for points on the graph i am totally confused 1)Graph the inequality. y > –5 2)Solve the following system of linear inequalities by graphing.

*May 3, 2007*

**algebra**

Write the equation of the line with x-intercept (–6, 0) and undefined slope. would this be wrote as 0=k*-6 I would write it as y= k(x-6) an undefined slope means that the line is vertical, there is no y term in your equation, since you are not "describing" the y...

*May 2, 2007*

**algebra**

find the lenngth of each side of the rectangle so that it has the given perimeter. p= 50 in length is 2L-5 width is L is my formaula i am needing to do this 50=2L-5+2*L i am looking at the formula of P=2L+2W do i have this written right should have been 50 = 2(2L-5) + 2L

*March 29, 2007*

**algebra help please**

A bus leaves a station at 1p.m. traveling west at an average rate of 44 mi/h.one hour later a second bus leaves the same station traveling east at a rate of 48mi/h. At what time will the two buses be 274 miles apart I know that I am suppose to use d=r*t 1st bus d=44*t 2nd bus ...

*March 25, 2007*

**Help1**

WHY rational expressions that are being added must have an LCD, but rational expressions that are being multiplied do not need to have an LCD. The short answer is that addition and multiplication are different operations with different properties. If we added rational ...

*October 13, 2006*