Thursday

September 29, 2016
Total # Posts: 963

**Math**

Use the order of operations to find the value of the expression. 6 x 5 + 3 x 8 Please help.

*September 20, 2016*

**Math **

I need to make a crossword puzzle using scientific notation and standard form

*September 19, 2016*

**Trigonometry**

How do I solve these linear system problems? I solved it many times but it never seems right. 1. x^2 + y^2 =9 2x - y = -6 2.x^2 - x -y =0 x - y = -3 3. 2x^2 - x - y = -1 3x + y = 5

*September 17, 2016*

**geomety please help**

the perimeter of a recatngle is 54 inches. The width is one inch less than the lenght. FInd the length and width. I just dont understand how to find the length and width if i am only givent eh perimeter please show work thank you

*September 14, 2016*

**algebra**

A store prices tapes by raising the wholesale price 40% and adding 25 cents. What must a tape's wholesale price be if the tape sells for $1.99?

*September 13, 2016*

**Algebra**

For three consecutive odd integers, the sum of 3 times the first integer and 2 times the second integer is 11 less than 4 times the third integer. What are the three integers? Separate your answers with commas. Ex: 1,2,3

*September 13, 2016*

**Biology**

What is the sample size in this experiment? How can you tell what the sample size is in this case? A team of researchers observed that the acorn density of the oak forests in New York fluctuates from year to year and that mice populations in the forest were increased when the ...

*August 30, 2016*

**Math - Check please!**

I. -28/4 -7 *** 7 - 1/7 1/7 II. Which equation represents “fifteen more than r is sixty-one”? r + 61 = 15 r + 15 = 61 *** r – 15 = 61 r – 61 = 15 III. What is the value of 4^2 – 2(3 x 5 + 1)? 8 1 -16 *** -21 IV. What symbol is needed between -2 and |-3...

*August 29, 2016*

**Chemistry**

A salt water swimming pool is 47.0 m long, 25.1m wide, and 2.79 m deep. If the pool is filled with salt water having a density of 1.06 g/ cm3, how many pounds of salt water are in the pool when it is filled? 1 kg = 2.20 lb I'm not sure how to approach this. I've tried ...

*August 29, 2016*

**Math**

A square, where s is an odd integer, is divided into unit squares. All the unit squares along the edges and the 2 diagonals of a square are discarded. Find a fully simplified expression, in terms of s, for the number of unit squares remaining answer.

*August 15, 2016*

**probability statistics**

how many bridge hands are possible containing 4 spaders, 6 diamonds , 1 club and 2 heart?

*August 13, 2016*

**none**

the length of a rectangle is 32 ft. the width is 18 ft. what is the diagonal length

*July 31, 2016*

**Math**

A square, where s is an odd integer, is divided into unit squares. All the unit squares along the edges and the 2 diagonals of a square are discarded. Find a fully simplified expression, in terms of s, for the number of unit squares remaining answer.

*July 5, 2016*

**Physics/Mechanics**

the only thing i'm missing is the correct force used for both inclined planes as well as show my working out for getting the force

*July 5, 2016*

**Physics/Mechanics**

I've already calculated the distance, distance for 10 degrees is 17.28 and distance for 40 degrees is 4.68

*July 5, 2016*

**Physics/Mechanics**

Two part Question: A load of 1500N is to be at Height of 3m above the ground. The available Incline planes are 10 degrees and 40 Degrees to the horizontal. Find out the Work Done by effort on the 10 degrees and 40 Degrees ramps. Assume the coefficient of friction is 0.8. Which...

*July 5, 2016*

**English**

What principal idea about people does the story "Harrison Bergeron" convey? (Points : 5) Great art belongs to the few who can create it. Only a few people have the talent to become professional artists. The goal of equal rights for all should not erase the varying ...

*June 1, 2016*

**English**

Uplifting ?

*June 1, 2016*

**English**

The patriotism of the speaker in Rupert Brooke's "The Soldier" gives a poem about dying in battle a(n)__________ tone. Depressing ~~I feel it's this one Uplifting Angry Silly

*June 1, 2016*

**English**

Which phrase best describes the word choice & voice of "Theme for English B"? Dull & old-fashioned ~~I think it's this one Formal & fancy Wordy & vague Clear & candid

*May 31, 2016*

**math**

okay thanks

*May 25, 2016*

**math**

3. 100% - 33% = 67% a = 0.67 * 134 = 89.78?

*May 25, 2016*

**math**

1. $78.20 2. ? 3. $200 4. $37.12

*May 25, 2016*

**math**

1. Original price: $92 Discount: 15% What is the sale price? 2. Original price: $110 Sale price: $91.30 What is the discount? 3. Discount: 33% Sale price: $134.00 What is the original price? 4. Cost to store: $32 Markup: 16% What is the selling price?

*May 25, 2016*

**Math**

IT takes Holly 5 hours to type a paper. It takes Mike 6 hours to type the same paper. HOw long would it take them working together? Just average?

*May 18, 2016*

**life orientation**

ways on how the geographical distribution of media can be improved

*May 18, 2016*

**trigonometry**

given that θ=5/9 and pi/2<θ< pi, find the values of the other 5 trigonometric functions of θ

*April 27, 2016*

**Math**

Write a real world situation that can be represented by the expression 8(t - 3). Tell what the variable represents then give a value for t and evaluate the expression.

*April 25, 2016*

**Statistics**

I'm totally blanking on how to do this type of problem and I want to use the statistic for an essay. I want to say that females are ___% more likely to be cyberbullied than males. Here is the data I have... Females: 41% reported being bullied Males: 32% reported being ...

*April 25, 2016*

**Math**

Varlos found that 1/2 of the apples in one basket are Granny Smith apples and 1/6 of the apples in another basket are Granny Smith apples. Which statement correctly compared the feactions?

*April 21, 2016*

**physics!**

In its search for flying insects, a bat uses an echolocating system based on pulses of high frequency sound. These pulses are 2.0 ms in duration, have a frequency of 50 kHz, and an intensity level of 100 dB at 1.0 m from the bat’s mouth. Assume the bat produces acoustic ...

*April 16, 2016*

**IMPORTIANT MATH**

A school is fencing in a rectangular area for a playground. It plans to enclose the playground using fencing on three sides (the fourth is a wall) . The school has budgeted enough money for 75 ft of fencing material and would like to make a playground with an area of 600 ft^2...

*April 12, 2016*

**Bio**

What is being asked of me, the question reads: Extrapolate single trait genetic flow to human disorders and diseases.

*April 7, 2016*

**Bio**

How to I determine the sequence of amino acid assembled when given the following +DNA code: CCA, AGT ? I'm asked to give the :-DNA, mRNA, tRNA codes, and also the amino acid. If I'm not mistaken I know that I must replace "T" thymine for "U" uracil...

*April 7, 2016*

**Bio**

How does a change in one nucleotide in one triplet code can change the nature of a protein and therefore the form of the trait ? I believe this has something to do with mutations. I know that mutation may result from errors in DNA replication or recombination, or physical or ...

*April 7, 2016*

**Bio.**

How does the genetic code is transferred from the nucleus to the cytoplasm to the amino acids ? Does it have something to do with transferring DNA-RN A ?

*April 7, 2016*

**chemistry**

to complex ( K2[Cu(C2O4)2]H2O, add 1 com of dil. H2SO4. Add KI; then add 1-2cm3 choloform and shake gently. what are the observations.

*April 3, 2016*

**HISTORY**

Which answer best describes why women were active in early reform movements? A. Many Americans believed women had higher morals than men. B. Many Americans believed women could better bring about change than men. C. Women in the 19th century had plenty of extra time to ...

*March 29, 2016*

**us history**

B? Because the declaration of sentiments was signed in 1848.

*March 29, 2016*

**Chemistry **

Calculate the empirical formula of Tylenol: C, 63.56%; H, 6.00%; N, 9.27%; O, 21.17%

*March 26, 2016*

**Physics**

If the sky diver releases her chute and an upward force of 800 Newtons is developed due to wind resistance, what will be the net force acting on her?

*March 5, 2016*

**physics **

A 5 kg block is being held against the wall. What is the minimum force needed to keep the block from moving if the force is applied at an angle that is 15 degrees above the horizontal. The coefficient of static friction between the wall and the block is 0.275.

*February 29, 2016*

**URGENT NEED HELP ASAP**

If you were a muckraker, would you want to expose, uncover, or examine the issue? Do you feel that issue still exists today, perhaps in a different form?

*February 16, 2016*

**English**

In "The Wager, by: Anton Chekhov" the climax comes when the jurist who is confined, begins to ask for musical instruments and tobacco. True or False

*February 1, 2016*

**English & Composition**

Here is my topic sentence for ALLUSION

*January 23, 2016*

**English & Composition**

Nevermind forget that. Those were just ideas to get me thinking but I just confused myself even more. So heres is the thesis : A. Thesis: To convince Virginia delegates to vote for revolution, Patrick Henry develops a passionate attitude through his rhetorical questions, ...

*January 23, 2016*

**English & Composition**

I need help with writing a topic sentence that briefly but accurately takes into context the quote below. This is a long quote so its difficult to make a topic sentence that deems appropriate in the sense of Allusion D. Topic Sentence Three (Allusion) : Primary Evidence (...

*January 23, 2016*

**Chemistry**

100 mL 0.1 M sodium acetate solution is mixed with 50 mL 0.1 M acetic acid. If now 0.937 mL of 1 M sodium hydroxide is added to the buffer what is the change in pH? pKa (acetic acid) = 4.76

*January 9, 2016*

**Health**

I believe number 4 is platelets not plasma

*January 6, 2016*

**Physics**

speed is a scalar and has no direction. Acceleration is a vector and direction matters so if an object is changing direction, it's acceleration changes independently of speed. So I would say yes it is possible for it to increase in speed as acceleration decreases

*January 6, 2016*

**math**

My guess is that when you say a mixed fraction e.g. 1 1/7, you literally say '1 and one seventh' so the & effectively means +

*January 6, 2016*

**math**

1 + 1/7 = 7/7 + 1/7 = 8/7

*January 6, 2016*

**Math**

Convert the whole number into a fraction with the same denomenator

*January 6, 2016*

**ALGEBRA**

Move every term with m in it onto one side, and the constants on the other. Divide the constant by the coefficient of m to get m. 9/2m - 4m = -3.5 + 6 2.5/0.5=5 M=5

*January 6, 2016*

**Math**

Right so 1/3 of his income goes on personal affairs leaving 2/3 left. He uses half of this (1/3) on household which leaves 1/3 left. He then invests 75% of the remaining 1/3 leaving 25% of that 1/3 in his hand. (1/3) x 0.25 = 0.083. So 8.33% of his initial salary equals the ...

*January 6, 2016*

**Math**

Answer is £12,000

*January 6, 2016*

**Biology**

The street lights in many cities contain bulbs with sodium vapor. When electrical energy is pass through the bulb, a brilliant yellow light is given off. What is happening to the sodium atoms to cause this? Explain. How would magnesium and chlorine interact? Please help. Thank...

*January 5, 2016*

**physics**

DAMON please help.Thankyou

*December 20, 2015*

**physicsTEST MONDAY**

Really confused!

*December 20, 2015*

**physics **

M1.) Nguyen jumps off a cliff with a height of 100 meters at a velocity of 3.5 meters per second to a save a cat. How long will it take her to reach the surface of the ocean? A3.) A plane vertically flees a horde of zombies at a speed of 7.9 m/s at a height of 230m above the ...

*December 20, 2015*

**English**

I have a essay to write and I don't know what to write about. It is an analysis paper.

*December 5, 2015*

**English**

Has anyone read the book Into Thin Air? I need help with essay

*December 5, 2015*

**mathematics**

Sorry Question a. Make a table of values and graph the function rule it it is the graph continuous or discrete explain. B. supposed the Coach spent $120 before tax.How many basketballs did he buy?

*November 12, 2015*

**mathematics **

The amount basketball coach spends at a sporting goods store depends on the number of basketball the coach buys.The situation is represented by the function rule a=15b

*November 12, 2015*

**Composition**

Sentence (1): Because of inspection devices, ordinary people lose their privacy. Although police say only criminals fear cameras, many people do not trust governments with too much information. Corrupt authorities may use and twist personal information in erroneous ways to ...

*November 11, 2015*

**Algebra**

Find the maximum revenue for the revenue function R(x) = 383x − 0.6x2.

*November 11, 2015*

**Algebra**

If the demand function for a commodity is given by the equation p2 + 16q = 1200 and the supply function is given by the equation 300 − p2 + 6q = 0, find the equilibrium quantity and equilibrium price.

*November 11, 2015*

**Algebra**

If a company has total costs C(x) = 20,000 + 25x + 0.2x2 and total revenues given by R(x) = 475x − 0.8x2, find the break-even points.

*November 11, 2015*

**Composition**

Is this OK? ... I just included affecting freedom of the individuals towards the bottom.. An observation system not only conflicts with civilization, but it profoundly impacts human daily activities affecting freedom of the individuals.

*November 11, 2015*

**Composition**

Also is it surveillance (effects) or Affect? Always got those confused??

*November 11, 2015*

**Composition**

Oops I realy didn't mean to put that hyphen but thanks for the point out! Thankyou both for your feedback (:

*November 11, 2015*

**Composition**

Can someone help me figure out a sentence from my conclusion CONNECTING BACK TO THE INTRO?? Or what can I say to connect back to my intro?? Thankyou to anyone who helps! (: My Intro: In the workplace, a new security installment begins in the workplace. Workers begin to feel ...

*November 11, 2015*

**Algebra 2**

Did I solve these problems correctly? 1. f(x)=-3x + 2 g(x)=3x^2 -x + 2 Find (f + g)(x) -3x+2+(3x^2-x+2) =3x^2-3x-x+4 =3x^2-4x-4 2. f(x)=x -1 g(x)=2x^2 -2x -5 Find g(f(x) ) 2x^2 -2x -5(x-1) =2x^2 -2x -5x+5 =2x^2 -7x+5 3. f(x)=3x + 2 g(x)= -2x2 -3x + 5 Find g(f(x) ) -2x^2-3x+5(...

*November 10, 2015*

**Math**

A box with a rectangular base and no top is to be made from a 9 inch by 12 inch piece of cardboard by cutting squares out of the corners and folding up the sides. What size (side-length) squares should be cut out to make the box have as much volume as possible?

*October 29, 2015*

**Physical Science**

Thanks guys

*October 20, 2015*

**Physical Science **

Explain how you can use Boyle's law to determine the new volume of a gas when it's pressure is increased from 270 kPa to 540 kPa? The original volume of gas was 1 l. Assume the temperature and number of particles are consistent. What is the new volume?

*October 20, 2015*

**Math**

-7/15+(-4/5)

*October 8, 2015*

**Socials**

Why did the Canadian government feel the need to control the economy, transportation, and trade after war was declared in 1914? I need help answering this question.

*September 30, 2015*

**Government**

I don't know im just confused how this question relates to government. Which of the following would a political party consider a “quality” candidate for national office? Question 3 options: A) An unknown mayor from Alaska. B) A self-employed computer hacker. C) A...

*September 24, 2015*

**Algebra**

A group of retailers will buy 96 televisions from a wholesaler if the price is $500 and 136 if the price is $450. The wholesaler is willing to supply 84 if the price is $420 and 164 if the price is $510. Assuming the resulting supply and demand functions are linear, find the ...

*September 23, 2015*

**Math**

After a genetics experiment on 67 pea plants, the number of plants having certain characteristics was tallied, with the results given below. Answer parts (a) through (c). 22 were tall 35 had green peas 42 had smooth peas 12 were tall and had green peas 20 had green peas and ...

*September 23, 2015*

**Math **

Will a 2-quart pitcher hold an entire recipe citrus punch -recipe- 2cups orange juice 2cups grapefruit juice 1/4 cup of apricot neater 1/3cup of pineapple juice 4cups ginger ale is the whole recipe 8 2/14 cups?

*September 22, 2015*

**Algebra**

Each ounce of a substance A supplies 2% of the nutrition a patient needs. Substance B supplies 10% of the required nutrition per ounce, and substance C supplies 16% of the required nutrition per ounce. If digestive restrictions require that substances A and C be given in equal...

*September 22, 2015*

**Algebra**

A nurse has two solutions that contain different concentrations of a certain medication. One is a 20% concentration and the other is a 5% concentration. How many cubic centimeters of each should he mix to obtain 10 cc of a 14% solution?

*September 22, 2015*

**algebra**

Bacteria of species A and species B are kept in a single test tube, where they are fed two nutrients. Each day the test tube is supplied with 19,740 units of the first nutrient and 31,990 units of the second nutrient. Each bacterium of species A requires 4 units of the first ...

*September 22, 2015*

**Algebra**

For the period 1995-2002, the total personal expenditures (in billions of dollars) in the United States for food, f(x), and for housing, h(x), can be described by the equations shown below, where x is the number of years past 1995. f(x) = 40.74x + 742.65 and h(x) = 47.93x + ...

*September 22, 2015*

**Algebra**

Each day, a young person should sleep 7 hours plus 1/4 hour for each year that the person is under 18 years of age. Assuming the relation is linear, write the equation relating hours of sleep y and age x.

*September 21, 2015*

**Physics**

Four tanks A, B, C, and D are filled with monatomic ideal gases. For each tank, the mass of an individual atom and the rms speed of the atoms are expressed in terms of m and vmax respectively (see the table). Suppose that m = 3.15 × 10-26 kg, and vrms = 950 m/s. Find the...

*September 1, 2015*

**Physics**

A 96.3-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is μk = 0.619. (a) What is the magnitude of the frictional force? (b) If the player comes to rest after 1.00 s, what is his initial speed?

*August 15, 2015*

**Geometry**

What is the area of a circle if the diameter is 10. Use A = pi*(r^2)

*June 23, 2015*

**Algebra**

My apologies. I guess I didn't word my question properly. The instructor needs us to show our work, so I have to show how I get the starting points on the graph. Here is what I have so far. Maybe you can see where I am going wrong. 18x+3y=12 3y=18x+12 y=-18x+4 This gives ...

*June 20, 2015*

**Algebra**

Using a graph, solve for x and y below. If 6x - 3y = 24 & 18x + 3y = 12 I know to use the forumla y = m*x + b. I also know to assume x=0 so that your starting point is (0,b) with b representing the y axis. M represents slope, which is rise over run. What I am having trouble ...

*June 20, 2015*

**Algebra**

x=5.625 y=4.375 I have been reworking this problem since last night, even using y=10-x, and was still coming up with incorrect answers. Thank you!

*June 20, 2015*

**Algebra**

If 2x + 2y = 20 & 5x - 3y = 15 Solve using the substitution method.

*June 20, 2015*

**Math**

Thank you, Steve. A = 4 and C = 8. I was initially having trouble setting up the equation properly.

*June 20, 2015*

**Math**

A group of adults and kids went to see a movie. Tickets cost $7.00 each for adults and $4.50 each for kids, and the group paid $64.00 in total. There were 4 fewer adults than kids in the group. Find the number of adults and kids.

*June 20, 2015*

**chemistry**

I'm not sure

*June 17, 2015*

**chemistry **

A sample of argon has a volume of 735 mL at a pressure of 1.20 atm and a temperature of 385 K. What is the volume of the gas in milliliters when the pressure and temperature of the gas sample are changed to 15.4 atm and 2580C? This problem involves changes in pressure, ...

*May 16, 2015*

**Economics**

Can someone help me make few sentences of a rap regarding Economics. The key words or phrases are econ is a drug, staying all night study,

*May 7, 2015*

**physics**

Consider three charges arranged in a triangle as shown. + - + 0.266 m 0.599 m −3.4 nC 8.1 nC 4.8 nC y x What is the net electric force on the charge at the origin? The value of the Coulomb constant is 8.99 × 109 N · m2 /C 2 . Answer in units of N. 010 (part ...

*May 5, 2015*