# Sabrina

Popular questions and responses by Sabrina-
## The Power of Media

#1. Which of the following is an example of a print medium? a) a blog b) a newspaper c) a magazine’s website d) all of the above ******* #2. Which of the following is an example of a public service announcement, or PSA? a) a commercial advertising an

*asked on February 25, 2014* -
## Chemistry

A 10.0g sample of H2O(l) at 23.0degrees C absorbs 209 joules of heat. What is the final temp of the H2O(l) sample?

*asked on January 19, 2016* -
## cyber-bullying

Charles sends Julia text messages every morning insulting her appearance and threatening to hurt her. He writes unflattering description of her on blog and on his own personal website a. identity theft b. cyberstalking c. online arguing d. cyberbullying

*asked on February 13, 2014* -
## English

what is the theme of the poem two bodies ? Whats the theme of this poem? Two bodies face to face are at times two waves and night is an ocean Two bodies face to face are at time two stones and night a desert Two bodies face to face are at times two roots

*asked on August 28, 2017* -
## English

1. Both Walt Whitman and Emily Dickinson were influenced by the Romantics. Choose one of the two poets. Provide at least three ways that he or she reflects Romantic thinking in his or her writing. Then give an example from one of the works that you studied

*asked on November 6, 2014* -
## Trig math

how to split up using sum and difference identities cos (13pi/12) PLeaseeeeeeeeeee help!!! thanx a million

*asked on November 17, 2010* -
## Biology

Diagram the genotypes of the P1 pea plants from the previous four questions by placing the correct answer on its correct place.

*asked on August 12, 2014* -
## Social Studies

How long ago was 1000 C.E. ? You would find the answer by A. Subtracting 1000 C.E. from the present year B. Adding 1000 C.E. to the present year Thank you.

*asked on September 9, 2015* -
## statistics

A person can order a new car with a choice of 9 possible colors, with or without ac, with or without heated seats, with it without anti lock breaks, with or without power windows and with or without a CD player. How many different ways can a new car be

*asked on March 25, 2012* -
## chemistry

The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side to span a distance of 4.90 mm?

*asked on September 21, 2013* -
## Math ~ Check Answers ~

A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 ***** c.) 5 d.) 1 Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect

*asked on February 19, 2014* -
## trigonometry

Filiz is walking at a bearing of 300°. When she has traveled 20 meters, how far west from her starting point is she? Round to the nearest tenth

*asked on July 27, 2017* -
## chemistry

how is rubbing alcohol a homogenous mixture ??

*asked on September 7, 2017* -
## chemistry

For the decomposition of gaseous dinitrogen pentoxide (shownbelow), 2 N2O5(g).....> 4NO2(g) + O2(g) the rate constant is k = 2.8 10-3 s-1 at 60°C. The initial concentration of N2O5 is 1.52 mol/L. (a) What is [N2O5] after 5.00 min? _____mol/L (b) What

*asked on September 13, 2015* -
## math

Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle mesures , and perimeter of the image compare to those of the original? a. 200% b.150% c.50% d.75%

*asked on September 20, 2010* -
## Chemistry

Calculate the volume of 1.0 M copper(II) sulfate solution required to completely react with 1.0 g of Fe(s) according to this equation: 2 Fe(s) + 3 Cu^2+ (aq) --> 2 Fe^3+ (aq) + 3 Cu (s). the copper in the reactant has a charge of 2+ and the iron in the

*asked on March 5, 2013* -
## elmentary math for educators

Suppose B is proper subset of C. If n(c)=8, what is the maximum number of elements n B? What is the least possible number of elements B?

*asked on August 8, 2009* -
## designer

i need someone to check my answers. i know that i got alot wrong but please no harsh comments. thank you. my answers are at the bottom. Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a

*asked on September 4, 2010* -
## math

James needs to bring his grade up to a B (80) in reading. What does he need to get on his next quiz? Quiz 1:77 Quiz 2:81 Quiz 3:74 Quiz 4:?

*asked on January 19, 2015* -
## English

The author of “HipHop Planet” uses the image of the candy box with a ribbon tied around it to describe the highways of Dayton, Ohio because A. it shows that not everyone can make it as a full-time rapper B. it shows how popular hip-hop music was in

*asked on December 10, 2018* -
## math

operations management •• 12.51 Cynthia Knott’s oyster bar buys fresh Louisiana oysters for $5 per pound and sells them for $9 per pound. Any oysters not sold that day are sold to her cousin, who has a nearby grocery store, for $2 per pound. Cynthia

*asked on April 29, 2019* -
## Algebra 1

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the

*asked on August 21, 2014* -
## physics

an 800 N person stands on a scale in an elevator. What is his apparent weight when the elevator is accelerating upward at 2 m/s^2? B) what5 is his apparent weight when the elevator is acc. downward at 2m/s^2? c) what is his apparent weight when the

*asked on February 20, 2007* -
## British Literature

I have to write a compare and contrast essay of the characterization of Sir Gawain and The Wanderer and I can't really find a difference between the two characters. I've found many ways I can compare the characters, but no differences. I need help finding

*asked on September 24, 2014* -
## Algebra

Which of the following is equal to (3X/5-7)+7 I used the slash mark to represent the fraction symbol. Can someone please help me figure this out? A.) 5X/3 B.) 3X/5 C.) 3X-35/5 D.) (3X-7)+35

*asked on November 16, 2016* -
## Math

A basket with 12 apples has a mass of 3105 grams. The same basket with 7 apples has a mass of 1980 grams. Each apple has the same mass. What is the mass of the basket?

*asked on November 20, 2014* -
## science

The chemical formula for glucose is C6H12O6. Six molecules of carbon dioxide (CO2) react with six molecules of water (H2O) to form six molecules of oxygen (O2). How many molecules of glucose will be produced? A 1 B 6 C 12 D 36 can anyone help me figure

*asked on March 25, 2010* -
## Science

Sarah heated two cubes of aluminum to 50 degrees celsius. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true? A. Cube A has a higher temperature than cube B. B. Cube B has a higher

*asked on February 5, 2013* -
## pre-cal

find the length of side b ABC to the nearest whole number if A = 42, B = 87, and a = 24

*asked on August 18, 2015* -
## Physics

Explain how you would determine how much error there is between a vector addition and the real results.

*asked on November 6, 2014* -
## chemistry

Which of the following is not an example of a science? geology astronomy astrology ecology

*asked on February 10, 2013* -
## Physics

The figure shows a pV diagram of a gas for a complete cycle. During part bc of the cycle, 1190 J of heat flows into a system, and at the same time the system expands against a constant external pressure of 7.00 × 104 Pa as its volume increases from 0.0200

*asked on November 28, 2016* -
## chemistry

For the decompostion of gaseous dinitrogen pentaoxide, 2N2O5(g)--->4NO2(g) +O2(g) . The rate constant is k=2.8 x 10^-3 at 60 degrees C. The initial concentration of N2O5 is 2.45 mol/L. What is (N2o5) after 5.00 min? What fraction of the N2o5 has decomposed

*asked on September 14, 2014* -
## math

Using Torricelli's Principle, it can be shown that the depth d of a liquid in a bottle with a hole of area 0.5 cm2 in its side can be approximated by d = 0.0034t2 − 0.52518t + 20, where t is the time since a stopper was removed from the hole. When will

*asked on July 12, 2011* -
## Physics

What is the change in entropy of the lead when 2.0 kg of molten lead at its melting point temperature solidifies? For lead: L V = 207 kcal/kg at 1744°C, L F = 5.9 kcal/kg at 328°C. Express your answer using two significant figures in kcal/K

*asked on November 28, 2016* -
## math

1.) $850 plus 8% on sales of $8,000 2.) $1,200 plus 4.5% on sales of $6,500 3.) You purchase 9 1/2 yards of fabric at $11.00 per yard. If there is a 7% salesb tax, what is the total cost of the fabric

*asked on February 26, 2013* -
## math

The height of a projectile fired upward is given by the formula s = v0t − 16t2, where s is the height in feet, v0 is the initial velocity, and t is the time in seconds. Find the time for a projectile to reach a height of 96 ft if it has an initial

*asked on July 11, 2011* -
## math

For g(t)= 3t - 2 determine the value when g(13). I am not sure how to solve this.

*asked on February 10, 2009* -
## statistics

A history professor finds that when he schedules an office hour at the 1030 am time slot an average of 3 students arrive. Use the poisson distribution to find the probability that in a randomly selected office hour in the 1030 am time slot exactly 5

*asked on April 24, 2012* -
## English

10 letters 2 words first word has 6 letters and second word has 4 letters. The letters are OTBRETOAMA

*asked on August 7, 2019* -
## Math😒

How do you find the answer to 3.4 - 0.972

*asked on April 26, 2012* -
## gatsby ENGLISH HELP PLZZ!!

what role does dan cody play in gatsby's development?? plz help the answer is 1 mark for my quiz but my teacher gave me only 1/2 a mark because i wrote "dan cody was the man who gatsby was with after he left home. gatsby worked for dan cody and that is

*asked on November 3, 2010* -
## Calculus

Could you please help me with this question. Determine an expression, in simplified form, for the slope of the secant PQ. a.) P(1,3), Q(1+h,f(1+h)), where f(x)=3x^2

*asked on February 7, 2010* -
## science

Rutherford used his gold foil experiment as evidence for a new atomic model. He suggested that the atom contained a small positively charged nulceus surrounded by a large void filled with only a few electrons orbiting the nucleus. What other experiment or

*asked on December 15, 2019* -
## chemistry

What mass of cesium bromine must be added to a 0.500 liter of water (d=1.00 g/ml) to produce a 0.981m solution? what are the mole fraction and mass percent of CsBr?

*asked on September 8, 2014* -
## History

2. What was the Confucian definition of a gentleman? Why did Confucianism place so much emphasis on manners and ceremony?

*asked on June 7, 2011* -
## Chemistry 101

I have been attempting this problem so many times. I don't know if I am plugging in the numbers correctly but I cannot seem to get the answer correct. Please help! A patient arrives in the emergency room with a burn caused by steam. Calculate the heat, in

*asked on September 19, 2015* -
## math

Two parallel lines cut by a transversal can create all the following types of angles except

*asked on January 3, 2010* -
## math

How many triangles can be made if one angle is 95° and another angle is obtuse?

*asked on April 15, 2020* -
## physics

Two 200kg masses(440 lb) are separated by a distance of of 0.75m. Using Newtons law of gravitational force Find the magnitude of the gravitational exerted by one mass on the other.

*asked on September 26, 2017* -
## algebra

How many ways can the offices of president, vice-president, treasurer, secretary, parliamentarian, and representative be filled from a class of 30 students?

*asked on May 30, 2011* -
## physics

You live at the top of a steep (a slope of ???? degrees above the horizontal) hill and must park your 2200 kg car on the street at night. a) You unwisely leave your car out of gear one night and your handbrake fails. Assuming no significant frictional

*asked on March 1, 2016* -
## Algebra 1

A landscaper has two gardens: one is a square and the other is a rectangle. The width of the rectangular garden is 5 yards less than a side of the square one, and the length of the rectangular garden is 3 yards more than a side of the square garden. If the

*asked on June 1, 2009* -
## Statistics

The Phillies were accused of cheating their beer customers by not putting enough beer in their 12 oz cups. When 15 cups were selected at random, they were found to have a mean of 11.7 ounces with a standard deviation of 0.5 ounces. At the .01 significance

*asked on July 27, 2015* -
## advanced algebra

ms. driva reck drove from her home to a service station at 48 km/h. she returned home by bike at 16 km/h. the entire trip took 4 hours. How far was the service station from ms. reck's home?

*asked on October 4, 2012* -
## math

How many integers values of x are there so that x, 5, and 8 could be the lengths of the sides of a triangle?

*asked on January 3, 2010* -
## Environmental Science

1. What characteristics can make a population shrink or grow over time? 2. How can age structure diagrams be used to predict the future populations?

*asked on April 7, 2020* -
## physics

A pelican ﬂying along a horizontal path drops a ﬁsh from a height of 4.3 m. The ﬁ!@#$%^&ravels 8.3 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s 2 . Answer in units of

*asked on January 11, 2014* -
## math

zoomer bix plans to but a microcomputer that costs $690, excluding sales tax. if the sales tax rate is 5 1/2% how much tax will zoomer have to pay

*asked on January 10, 2013* -
## CHEMISTRY

The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1 atm) half-cell in which the concentration of H+ is unknown. The measured cell voltage is 0.0841 V and the Pt | H2 | H+ half-cell is the cathode. Standard reduction potentials are given on

*asked on November 27, 2012* -
## English

is Polonius a good advisor to the king in Hamlet? please help me, its for a essay, your help is greatly appreciated. THank you!!

*asked on September 24, 2010* -
## Math

The problem to solve is: (x+20)(x-12)(x+4)>0 but I can't figure out how to do this right so I left off the >0 and tried to solve the equation. x+20 evaluates to x+20 x-12 evaluates to x-12 Multiplying x+20 by x-12 is a classic Algebra problem. Here, you

*asked on September 24, 2010* -
## math

A painter needs to purchase enough paint to paint a bedroom that consists of four walls. Two of the walls are 11 feet by 10 feet and the other two walls are 12 feet by 10 feet. The paint is sold in 1 gallon cans, and each gallon of paint will cover an area

*asked on September 6, 2019* -
## physics

Calculate the speed (in m/s) of a skateboarder who accelerates from rest for 4 seconds down a ramp at an acceleration of 3 m/s2.

*asked on December 23, 2011* -
## algebra

Yolanda's yogurt house offers 3 different kinds of yogurt and 13 different kinds of toppings. How many different yogurt and topping combinations are possible?

*asked on May 30, 2011* -
## Math

How do I work this problem? A license plate is to consist of 2 letters followed by 5 digits. Determine the number of different license plates possible if repetition of letters and numbers is not permitted. is this correct 26*26*10*10*10*10*10= 67,600,000

*asked on July 9, 2014* -
## math

A model rocket is launched with an initial velocity of 250 ft/s. The height, h, in feet, of the rocket t seconds after the launch is given by h = −16t2 + 250t. How many seconds after launch will the rocket be 730 ft above the ground? Round to the nearest

*asked on July 11, 2011* -
## Geometry

Find the cost of sod, at $0.49 per square foot, for a playing field that has a semi circle on each end with the radius of 8ft. Show work. Answer: $325.83

*asked on March 12, 2018* -
## Physics

a student pushes on a desk with a force of 75 N causing it to begin sliding. if the desk weighs 400 N then calculate the coefficient of static friction between the desk and the floor

*asked on July 8, 2014* -
## Chemistry

Suppose 10.2 G of copper a state is dissolved in 350 mL of a 3-0 molality solution of sodium chromate calculate the final molarity of copper assume the volume stays constant

*asked on April 13, 2019* -
## Physics

Block B has a mass of 4.2 kg and block A has a mass of 2.6 kg. They are in contact and slide over a frictionless horizontal surface. A force of 11 N acts on B.(force applied on block b then block a , they are beside each other) what is the force on B due

*asked on October 6, 2014* -
## Physics HELP

Two blocks of masses m1 = 6 kg and m2 = 6 kg are on either side of the wedge shown in the figure above. Find their acceleration and the tension in the rope. Ignore friction and the pulley.

*asked on October 7, 2014* -
## math

Two parallel lines cut by a transversal can create all the following types of angles except

*asked on January 3, 2010* -
## math, pre- statistics

Hospital records indicated that maternity patients stayed in the hospital for a number of days shown in the distribution Days Stayed Frequency 1 34 2 23 3 17 4 11 5 8 If a patient's records are selected calculate the probability of each event. A patient

*asked on February 6, 2009* -
## Physics

An electron with a kinetic energy of 0.8 keV is fired normal to the lines of a field of magnitude 50 G. Find: a)the radius of the path b)its acceleration c)its period

*asked on July 12, 2016* -
## General Physics 2

A dead battery is charged by connecting it to the live battery of another car with jumper cables. Assume that V = 9 V and R = 0.80 Ù. Determine the current in the starter. Determine the current in the dead battery.

*asked on October 27, 2013* -
## English 10

In the autobiographical selections "Hair" and "It Can't Be Helped," the authors describe how racial prejudice affected their early lives. Identify the key event described in each of the selections. Then explain how each author responded to the event at the

*asked on November 3, 2011* -
## COLLEGE MATH PLEASE HELP

What do i do when order matters!!?!? The Sad State Lottery requires you to select a sequence of three different numbers from zero through 64. (Order is important.) You are a winner if your sequence agrees with that in the drawing, and you are a booby prize

*asked on April 24, 2009* -
## MATH HELP

Find the periodic payments necessary to accumulate $20,000 in a sinking fund paying 4% per year, with monthly payments for 5 years. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest cent.)

*asked on March 11, 2009* -
## Math

if the hands on a round clock moved counter clockwise, to what number would the minute hand point 20 minutes before the hour hand pointed to 3? a. 4 b. 7 c. 8 d. 11 is 8 the correct answer?

*asked on August 7, 2018* -
## Chemistry!!! PLZ PLZ HELP!!

Calculate the equilibrium amounts of each susbtance in the reaction below if an initial amount of 0.1 moles of H2 are brought together with an initial amount of 0.2 moles of I2 and then equilibrium is established at 900K. Kc at this temperature=70. H2 + I2

*asked on May 30, 2016* -
## chemistry

a pool is 39.8 m long and 28.2 m wide. if the average depth of water is 4.90 ft, what is the mass (in kg) of water in the pool? enter your answer in scientific notation. the density of water is 1.0 g/mL

*asked on February 4, 2015* -
## statistics

A test has a mean of 104 and a standard deviation of 16. We want to be 98% certain that we are within 4 points of the true mean. Determine the sample size.

*asked on April 23, 2012* -
## celle energy

do anyone have an acrostic poem for cell energy

*asked on October 4, 2010* -
## College Math

Suzy has a bag containing 5 red marbles, 2 green ones, 4 white ones, and 3 purple ones. She grabs 9 of them. Find the probability that she does not have all the green ones. Express the answer as a fraction in lowest terms.

*asked on April 21, 2009* -
## bio

Assignment: Photosynthesis and Cellular Respiration Energy acquisition is essential for all life. Whether the organism is classified as plant or animal, single-celled or multi-cellular, the exchange of energy and the formation of products consist of a

*asked on April 12, 2009* -
## mean, mediem, mode

Whay is the mean , mediem and mode in a series of number?

*asked on December 8, 2007* -
## biology pleaseehelp!

In order to produce many copies of a protein fast, the cell uses A. DNA replication. B. intron self-splicing. C. single-unit ribosomes for high speed translation. D. codon-anticodon reciprocal duplication. E. many RNA polymerase molecules to produce mRNA

*asked on May 13, 2011* -
## Math

A field hockey tournament is to be held in Yellowknife, NWT. According to regulations, the field is 25 yds by 100yds. For officials, support group and team members, a uniform rectangular strip of manicured lawn is to be installed by a local business group.

*asked on January 24, 2017* -
## Social Studies

I need to know how New England Colonies,Middle Colonies, and Southern Colonies the ways the colonists adapted to their environment.

*asked on November 16, 2016* -
## General Chemistry

We mix 112 grams of oxygen gas with 118 grams of argon gas in a volume of 1752 mL at 74 degrees celsius. What will be the final pressure of the gas mixture? First, I converted the grams into moles. 112g O2 * (1mol O2/ 32g O2) = 3.5 moles O2 118g Ar * (1mol

*asked on October 26, 2014* -
## OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!

A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?

*asked on August 27, 2012* -
## MATH

Suzy has a bag containing 3 red marbles, 2 green ones, 4 white ones, and 6 purple ones. She grabs 5 of them. Find the probability that she has 2 red ones and 1 of each of the other colors. Express the answer as a fraction in lowest terms.

*asked on April 21, 2009* -
## math

Need help..... A child of height 1.2 metres stands 3 metres from the foot of a lamp post of height 2.8 metres, at the top of which there is a small source which can be considered as a point. What is the length of the shadow cast by the child upon the

*asked on August 27, 2012* -
## math, pre-statistics

A gumball machine is filled randomly with gumballs:red,green,purple,white,pink and yellow. The company claims the following percentages of each can be found in an unopened carton.30%red,20%green,20%purple ,20% white,5%pink and 5%yellow. What is the

*asked on February 8, 2009* -
## Science

what are three things that are unique to hydraulic systems three things that are unique to pneumatic systems and three things that are part of both systems?

*asked on May 20, 2020* -
## Calculus

Reimann sums approximate the area of an integral using what?

*asked on March 31, 2020* -
## Social Studies

I need 3 examples of characteristics about the New England Colonies, Middle Colonies, and Southern Colones

*asked on November 16, 2016* -
## Physics

A particle of mass 2 kg has an initial velocity of (4.5i + 3.5j) m/s. It is acted on by a force (5i -2j) N for 2 s. What is its final velocity?

*asked on October 6, 2014* -
## CHEMISTRY

Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4. (a) Mn(s) | Mn2+(0.11) M || Cr3+(0.24 M), Cr2+(0.11 M) | Pt(s)

*asked on November 30, 2012*