# SABRINA

Most 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

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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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

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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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

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

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

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

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

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

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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## chemistry

how is rubbing alcohol a homogenous mixture ??

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

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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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

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* -
## 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* -
## Statistics

A certain lottery is won by selecting the correct four numbers from 1,2....30. The probability of winning if the rules are changed so that in addition to selecting the correct four numbers you must now select them in the same order as they are drawn?

*asked on May 4, 2013* -
## Math😒

How do you find the answer to 3.4 - 0.972

*asked on April 26, 2012* -
## 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* -
## Trig math

PLEASEE HELPPMEEE!!!! cot2x+sec2x=tan2x+csc2x and 1+2sinxcosx/sinx+cosx=sinx + cosx

*asked on November 9, 2010* -
## 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* -
## 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* -
## 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* -
## History help

Define the domino theory and the Brezhnev doctrine and discuss how they affected the foreign policies of both the united states and the soviet union during the Cold War.

*asked on June 14, 2016* -
## 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* -
## mean, mediem, mode

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

*asked on December 8, 2007* -
## Math

Margaret received $671.50 in cash as proceeds from a loan of $680.00 The discount rate was 10% simple interest. Find the discount period in months. Hummm. With simple interest, a rate of 10% on $680, in one month the balance would be 680*(1+(0.1/12)) =

*asked on July 11, 2007* -
## Social Studies

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

*asked on November 16, 2016* -
## 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 saline solution with a mass of 400 g has 30 g of NaCl dissolved in it. What is the mass/mass percent concentration of the solution?

*asked on April 7, 2016* -
## physics

A loaf of bread weighs 3.9 N on earth. What should it weigh, in newtons, on the moon, where the acceleration due to gravity is one-sixth that on Earth?

*asked on November 7, 2010* -
## Math-Factoring

How do i factor the following: x^2-5xy-66y^2

*asked on February 22, 2009* -
## math

Ellen needs to buy 180 inches of ribbon to wrap a large present the store sells ribbon only in whole yards how many yards does Ellen need to buy to have enough ribbon

*asked on January 29, 2016* -
## math

the external dimensions of a closed box are 8cm by 5cm by 4cm. given that the thickness of the wood of which it is made is 0.5cm, find the volume of the wood used to make it.

*asked on October 26, 2015* -
## self reflective essay

I want to know can I write about myself in a self reflective essay ,,here is my thesis statement do you think it is ok? In this paper I will argue the life of a child being born in a divorced family was it easier or was it very hard?

*asked on July 17, 2011* -
## MATH

Find the amount accumulated in the sinking fund if $350 is deposited monthly for 14 years at 7% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

*asked on March 11, 2009* -
## 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

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* -
## 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* -
## math

a map of the moon has a scale of 1cm:25km. On this map the diameter of the Copernicus crater is about 3.7 cm. To the nearest kilometer, what is the actual diameter of the crater?

*asked on February 8, 2012* -
## Physics (Mechanics)

Marie shoots an arrow vertically upward at a sandhill crane. If the arrow travels to a maximum height of 99.5 meters, calculate how fast it was shot. And, for how much time was Marie's arrow in the air?

*asked on January 28, 2012* -
## 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* -
## 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* -
## Math

The segment that bisects an angle of the triangle and has one endpoint at a vertex of the triangle and the other endpoint at another point on the triangle is called the _________. The segment that has one endpoint at one of the vertices of a triangle and

*asked on June 3, 2011* -
## 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* -
## PLEASE HELP!!!!

if log6=m and log 5=n, write 7.2 as an expression in m and n Answer is 2m-n Please help me!!

*asked on January 20, 2011* -
## math log

if log6=m and log 5=n, write 7.2 as an expression in m and n Answer is 2m-n Please help me!!

*asked on January 20, 2011* -
## math

Marie bought 5 yards of material to make doll clothes. this costs $8.90. what is the cost of 1 yard of material?

*asked on January 30, 2018* -
## 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* -
## Algebra

If anyone can check my work for me that would be greatly appreciated I'm having trouble. Evaluate the expression foe the given value of the variable. |-4b-8|+|-1-b^2|+2b^3 ; b=-2 I got 1 for my answer -4(-2)-8-1+2^2+2(-2) 8-8-1+2^2-4 -1+2^2-4 1

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

In a standard set of dominoes, a face of each domino has a line through the center, with 0 to 6 dots on each side of the line. Each possible combination of dots is used exactly once, one combination per domino. What is the probability that a randomly

*asked on November 11, 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* -
## Managerial Accounting

The overhead rate for materials handling is $10 per part based on an estimated total cost of $900. Products X & Y have 320 and 280 parts respectively. What is the overhead allocated to X & Y? A. Product X $3,200, Product Y $4,400 B. Product X $4,800,

*asked on October 28, 2014* -
## Physics

A satellite in circular orbit around the earth has an orbital speed of 5 km/s. What is the period of the orbit? Assume the mass of the Earth is 5.98e24 kg.

*asked on October 19, 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* -
## Physics

Two blocks of masses m1 = 6 kg and m2 = 6 kg are on either side of the wedge shown in the figure above.(m1 on ramp of 30 degrees and m2 on ramp of 60 degrees) Find their acceleration and the tension in the rope. Ignore friction and the pulley.

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

Choose the right form of the verb for the sentence below: At the end of the some passages ___________ trapdoors into the dungeons. a.) are ******* b) is

*asked on February 20, 2014* -
## trig

write a formula f*g*h when f(x)=x+1, g(x)=3x, h(x)=4-x

*asked on January 12, 2014* -
## Chemistry

When 25.302 is divided by 56.743, the answer should be reported to ____ significant digit(s). The result of the division, 25.302 / 56.743, reported to the correct number of significant digits is _______ When 56.743 is subtracted from 25.302, the result

*asked on September 15, 2013*