# Brooke

Newest questions posted by Brooke-
## Algebra

Hello! Suppose that the price per unit in dollars of a cell phone production is modeled by p = $55 − 0.0125x, where x is in thousands of phones produced, and the revenue represented by thousands of dollars is R = x · p. Find the production level that -
## Physics

Density is the ratio of mass to volume. Mercury has a density of 1.36 x 10^4 kg/m^3. What is the density of mercury in units of g/cm? -
## Math

The price of gasoline increased 25% from July to August. If c = cost of gasoline in July, write two expressions that represent the price of gas in August. If you know the cost of gas in July, which expression do you think would be easier to use to -
## Math

The seats at the auction were each 0.47 meters wide. If there were 12 seats in each row, how long was each row in meters? (Assume that there was no space between the seats.) -
## algebra

Tickets to a sporting event cost $6 for children and $8 for adults. The total revenue from the tickets sold was $2340. There were 320 total tickets sold. How many children’s tickets were sold? -
## Algebra

Sarah's mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the village's actual width? I just want to know if I should convert the feet to miles at one point. -
## Math

Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a midterm test. Josh received 53 on the test. Describe how his score compares with those of his classmates. a. About 25% scored higher; about 75% scored lower. b. About 50% -
## Math

Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a midterm test. Josh received 83 on the test. Describe how his score compares with those of his classmates. a. About 23% scored higher; about 77% scored lower. b. About 50% -
## Art Appreciation

Are Nick Cave's Soundsuits fine art or folk art? Please explain in detail -
## math

Peter played his favorite video game for 10 hours last week. Today, Peter's parents restricted him to 5 additional hours each week for the next 8 weeks. Create the function, f(x), that models Peter's total video game time? Is it f(x)=5x + 10 or f(x)=5x + 8 -
## MATHEMATICS

What is the slope of the line that passes through (2, 5) and (−1, 5)? A. Undefined B. 0 I think its 0 -
## Physics

Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 7.1Ω and 20.9 W, 29.5Ω and 11.4 W, and 13.6Ω and 12.5 W. (a) What is the greatest voltage that the battery can have -
## Physics

Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a resistance of 0.527Ω. What is the resistance of the copper wire? Take the resistivity of copper to be 1.72 x 10-8 Ω·m, and that of aluminum to be 2.82 x 10-8 -
## Physics

A coil of wire has a resistance of 31.8Ω at 28 °C and 55.6Ω at 53 °C. What is the temperature coefficient of resistivity? -
## chem

10.0 mL of 0.05 M AgNO3 and 10.0 mL 0.05 M NaCl are combined in a test tube and a precipitate of AgCl forms. After the precipitate is centrifuged down, the remaining solution (called the supernatant) is tested for the concentration of Ag+ ion. The -
## Chrmisty

Find the pH at each of the following points in the titration of 25 ml of 3.0M HF with 0.3 M NaOH. The Ka value is 6.6x10-4. After adding 25 ml of 0.3M NaOH -
## MAth

Which statement is a true statement all rectangles or squares all squares or rectangles every rhombus is a rectangle every rectangle is a rhombus -
## Physics

a 4500 kg truck traveling at 17.5 m/s collides with a motionless 1350 kg car. they become locked together. if there is no friction, what is their velocity? -
## Calculus

Find the dimensions of the right circular cone of maximum volume having a slant height of 5 ft. See the figure. -
## English

Which of the following is a true statement about an MLA Works Cited page? A. The Works Cited page requires no special formatting. B. The Works Cited page should immediately follow the conclusion and be on the same page. C. The Works Cited page should -
## algebra

The sum of two numbers is 43. The smaller number is 15 less than the larger number. What are the numbers -
## Math

Can someone write an irrational number? Just any one. -
## English

Pablo insists that a conclusion should reinforce the thesis statement. Patrice says that the conclusion should follow logically from the introduction. Who is correct? A. Both Pablo and Patrice are correct. B. Neither Pablo nor Pam is correct. C. Only Pam -
## English

In which of the following sentences does the use of prepositional phrases make it harder for readers to find the main point of the sentence? A. The committee voted on several of the issues under consideration. B. In what way is a political group considered -
## English

Read the following opening sentence of an introductory paragraph and answer the question that follows. Should you ever find yourself in a situation in which you suspect that someone is listening in your private conversation, you might not be as paranoid as -
## social studies

10. Which of the following best describes the purpose of the Non-Intercourse Act? (1 point) to forbid the U.S. from trading with Britain and France so the countries would recognize U.S. trading rights to allow U.S. merchants to resume trade with all -
## Social Studies

Why did Adams increase the size of the American Navy? He wanted to prepare for all-out war on Britain He hoped it would deter more attacks by French ships He needed to use tax money to fund an increase in military spending Congress passed a law that -
## English

The _______ form of a verb should be used to distinguish between actions completed in the immediate past and actions completed before a specific time. A. past perfect B. simple past C. irregular D. infinitive -
## Psychology

When researchers find similarities in development between very different cultures, what implications might such findings have for the nature-nurture issue? -
## Psychology

What study strategies can you think of that would make effective use of the levels-of-processing approach to memory? -
## College math

Determine the balance of $10,000 is invested at an APR of 9% compounded monthly for seven years. -
## Psychology

With respect to the theory of cognitive dissonance, people can hold contradictory ideas in their minds. If you become aware of the dissonance between two ideas, you could pursue which of the following strategies to reduce the dissonance? B. You can modify -
## Chemistry

How many grams of O2 are there in a 50.0L tank at 21*C when the pressure is 1.19x10^4mmHg? -
## Math

A framed picture 20 inches wide and 36 inches high is shown in the diagram below. The picture will be hung on a wall where the distance from the floor is 10 feet. The center of the picture frame must be 2 3/4 feet from the floor. A) determine the distance -
## sails math

A chemist has a solution that is 70% acid and another that is 45% acid. How many liters of each should he mix to obtain 300 liters of a solution that is 65% acid? -
## math

how long would it take money to triple in an account with a one-time deposit earning 9% interest compounded two times per year? -
## US History

Hello, I am filling out a study guide for a test coming up in two days, and I can not seem to find this answer in my text book. Could someone please help? Which of the following is true of the Korean conflict? A. It ended with an enormous American victory. -
## Chemistry DR BOB

Under standard conditions of 1 atm and 298.15K, the half-cell reduction potential E,zero for the anode in a voltaic cell is 0.37V. The half-cell reduction potential E,zero for the cathode of the cell is 0.67V. The number of moles, n, of electrons -
## English 11

Write a paragraph summarizing lines 100-250 in the book called the ministers black veil -
## math

Write the equation for a line that passes through the points (3,-2) and (-1,0). We have to put it in y=mx+b format. So far i have gotten y=-1/2 but i still need the +b part and I'm not sure how to get it. -
## Social Studies

1. How did World War 1 change warfare? A. By introducing the atomic bomb B. By showing the effectiveness of trench warfare C. By using tanks, airplanes, and machine guns D. By demonstrating the success of the blitzkrieg 2. Which of the following was a -
## Physics

P= 231fraction numerator f t asterisk times l b over denominator s end fraction t= 14.3s W= ? -
## Math

A science class has 3 girls and 3 boys in the seventh grade and 4 girls and 1 boy in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she -
## Physics

A plate made of steel has a 18.9979 mm diameter hole cut into it. A 19.0000 mm diameter ball made of glass is sitting in the hole. Both are at an initial temperature of 9.00 deg. C. If the plate and ball are both heated, at what temperature will the ball -
## La

What is the secret to reaching someone with words?which of the columns "concrete mixers" or "the city is so big" or "Harlem night" song best use his words to create a vision or an idea of the city for you in the paragraph state your opinion into port it -
## science

which of the following is a constant, or control variable, in this experiment? -
## Pre- Algebra

You buy x pairs of shoes that each cost $24.95 the same number of socks that each cost $4.75 and a pair of pants that costs $29.99 write an expression in simplest form that represents the total amount of money spent. Would you add them all together? -
## math

Jose invests money in two simple interest accounts. He invests twice as much in an account paying 10% as he does in an account paying 7%. If he earns $94.50 in interest in one year from both accounts combined, how much did he invest altogether? Total -
## Writing Skills

Which of the following statements about connecting paragraphs is correct? A. A good connection between two paragraphs is an implied transition. B. Two paragraphs may be joined by an action verb. C. You can use a pointing word that that refers to a word in -
## physics

A 65.5 kg high jumper leaves the ground with a vertical velocity of 8.1 m/s. How high can he jump? The acceleration of gravity is 9.8 m/s2 . -
## math

The area of a square floor on a scale drawing is 100 square centimeters and the scale of the drawing is 1 centimeter:2ft. What is the area of the actual floor? What is the ratio of the area in the drawing to the actual area? -
## Math

If the original building is 810 meters tall, what was the scale used to make the model? -
## English

Please review my complaint letter for school? Is it formatted correctly? November 13, 2015 Apple Inc. 1 Infinite Loop Cupertino, CA 95014-5723 To whom it may concern: I am writing to inform you that the product I’ve ordered from your company has not yet -
## Social Studies

In the compromise of 1820 what was the status of the unorganized territory? -
## Chemistry DRBOB HELP ME PLEASE

Please help me N2O5(g) + H2O(l) --> 2HNO3(l) delta H° = -76.2 kJ H2O(l) --> H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) --> HNO3(l) delta H° = -174.0 kJ Calculate delta H° for the reaction 2N2O5(g) --> 2N2(g) + 5O2(g) -
## Chemistry DRBOB HELP ME PLEASE

Please help me N2O5(g) + H2O(l) --> 2HNO3(l) delta H° = -76.2 kJ H2O(l) --> H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) --> HNO3(l) delta H° = -174.0 kJ Calculate delta H° for the reaction 2N2O5(g) --> 2N2(g) + 5O2(g) -
## Chemistry

Please help me N2O5(g) + H2O(l) --> 2HNO3(l) delta H° = -76.2 kJ H2O(l) --> H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) --> HNO3(l) delta H° = -174.0 kJ Calculate delta H° for the reaction 2N2O5(g) --> 2N2(g) + 5O2(g) -
## math

does a horizontal line represent function? -
## math

the coordinate (2 -4) is located in which quadrant in the coordinate plane -
## Math

A food co.packs 24 cans of tuna into a box. The co.has 768 cans to box. If they sell a full box for $12,how much money will the food co.make on these boxes? -
## Please Help

is the root word for the word crackerjack crack? -
## Science

Can you Describe what happens when a roller coaster rolls downhill in terms of velocity and acceleration. Is the roller coaster increasing in velocity? Is the roller coaster accelerating? -
## SS

What do the colonies call themselves in the last part of the document? -
## SS

what should people do if a government is not protecting natural rights? -
## SS

take on the role of a Tory or Patriot and decide if war can be avoided. What are the benefits of preserving peace? What are the reasons for going to war? If the Revolution had been avoided, how would America be different? Subject -
## Social Studies

The first Englishman who wanted to build a “future Eden” where luxurious items, such as coffee, tea, figs currants, olives, rice and silk, would be produced. This paradise was to be called is it the margravate of azilia? -
## History

The first Englishman who wanted to build a “future Eden” where luxurious items, such as coffee, tea, figs currants, olives, rice and silk, would be produced. This paradise was to be called -
## Social Studies

what have the earliest people might have seen while crossing the bering land bridge? -
## Math

Suki's has 54 rock songs,92 dance songs,and 12 classical songs on her play list.If Suki's music player randomly selects a song from the playlist,what is the experimental probability that the song will not be a classical song?Explain your answer. -
## Math

Suki has 54 rock songs 92 dance songs and 12 classical songs on her playlist . If suki's music player randomly selects a song from the playlist, what is the experimental probability that the song will not be classical -
## Decimals

How would you say 1.202 in word form -
## Math

Ronnie misses the school bus 1 out of every 30 school days. He sets up the proportion 1/30=180/x to predict how many days he will miss the bus in the 180-day school year. What is Ronnies error? -
## Math

An airline know that,on average the probability that a passenger will not show up for a flight is 6%.If an airplane is fully booked and holds 300 passengers,how many seats are expected to be empty?If the airline overbooked the flight by 10 passengers,about -
## Science

A truck whose bed is 2.5m long 1.5 m wide and 1.0 m high is delivering sand for a sand sculpture competition. About how many trips must the truck make to deliver 7 m3 if sand -
## Science

Why do NBA players wear shoes made of rubber? Think about friction, durability, weight and other factors that make rubber the perfect material for the soles of basketball shoes. -
## Science

can you name two hemisphers in duluth ga -
## Science

do radioactive elements occur naturally on earth -
## Science

does the air in our atmosphere contains elements that we breathe with every breath -
## math

-2 + y = 11 solve for y would y be 13? -
## Math

There are 12 pieces of fruit in a bowl.7 are apples 2 are peaches.What is the probability that a randomly selected piece of fruit will not be an apple or a peach?Justify your answer. -
## precalc

A projectile is launched from a platform 20 feet high with an initial velocity of 48 feet per second, The height h of the projectile at t seconds after launch is given by h = –16t^2 + 48t + 20 feet. (a) How many seconds after launch does the projectile -
## Algebra

A ball is thrown from the top of a building. It's height (y) in feet at any given time (x) in seconds is y=-16x^2+240. What is the maximum height of the ball? -
## Social Studies

Describe the caste system and it’s the different levels. -
## Social Studies

South Asia’s flood plains have attracted a great deal of people because of their _______________. rich soil? -
## Social Studies

Describe the causes and effects of pollution on the Ganges River. What role does population play on this pollution? -
## science

is a squirrel a animal species -
## Math

A printing company makes plastic banners 15 ft long by 6 feet wide. How many square meters is the banner? Use 1 foot=0.305meters -
## math

Elisa surveyed people in her neighborhood about whether they would like to have a swimming pool in their community park. Of those who responded, 65% were in favor of having a swimming pool. Based on these results, which statement could be true? A. Elisa -
## math

what is the volume of a cylinder with a radius of inches and a height of 6 inches ? -
## Math

A box of Cereal X contains 36 ounces and costs $ 4.99. A box of Cereal Z contains 30 ounces and costs $ 4.50. Which cereal is the better buy ? -
## math

the expression gives the area of a rectangle (x-4)(2x-3) what is the value of the equation when x=7 ? -
## MATH

Debs discount store is giving a 30% discount on everything in the store. what would you pay for the jacket regularly priced at $59? -
## Math

Trevor went to an amusement park where ride tickets cost $2.50 each. He plans to spend $15.00 on refreshments while at the park. He has a total of $65.00. Write an equation to find the number of ride tickets he can buy. -
## math

aaron made a scalw drawing of his bedroom he used the scale 1/4 inch = 1 foot the length of his bedroom in the drawing is 5 inches what is the actual length of his room ? -
## language arts

2. An example of literal description in the poem is (1 point)the sun brightening valleys. an audience being moved by a speech. the words of the president being relevant for a long time. shadows falling over the land. -
## Psychology

Martina heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she heard? She was uncertain whether she should move toward or away from the sound. Martina is having difficulty with? A. -
## Algebra 2

Solve the equation : 8^2x-1 = 16^x+1 i know you have to log both sides log8^2x-1 = log16^x+1 and then you use the exponential rule 2x-1 log8 = x+1 log16 but then i don't know what to do... -
## Math

In the formula d = rt, the time t varies inversely with the rate r. A student running at 5 miles per hour runs one lap around the school campus in 8 minutes. If a second student takes 10 minutes to run one lap around the school, how fast is she running? -
## gifted math

24 pencils in a box each student in the class gets 6. There are no pencils left over. How many students are in the class? write an equation to represent the situation. -
## Physics

mrubber stopper = 0.07Kg mmetal washers = 0.196Kg radius = 1.0m total time = 12 seconds # of revolutions = 10 revolutions With this data, calculate the centripetal Force (Fc) (to 2 decimals) of the rubber stopper in its "orbit".