# brandon

Popular questions and responses by brandon-
## science

What would happen if blood entering the heart mixed with blood leaving the heart?

*asked on October 27, 2011* -
## English

1)Read the passage below from "No Dogs Bark" and select the one that best represents imagery in the story. a)"Now and then he seemed to sleep." b)"The old man backed ou to a thick wall and shifted load but didn't let it down fron his shoulders." c)"The

*asked on January 9, 2012* -
## Pyhsical Science

Which of the following statements is true about scientific theories? A. Scientific theories become scientific laws. B. Scientific theories are never proven. C. Scientific theories become hypotheses. D. Scientific theories summarize patterns found in

*asked on August 27, 2013* -
## Chemistry

Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 1.9×10−9M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 2.1×10−2M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 6.1×10−12M

*asked on April 29, 2014* -
## Chemistry

Enter the balanced complete ionic equation for HCl(aq)+K2CO3(aq)→H2O(l)+CO2(g)+KCl(aq) Would it be: 2H+(aq) + 2Cl^-(aq) + 2K^+(aq) + CO3^2-(aq) => H2O(l) + CO2(g) + 2KCl(aq)? Thanks

*asked on November 13, 2019* -
## physics

Superguy is flying at treetop level near Paris when he sees the Eiffel Tower elevator start to fall (the cable snapped). His x-ray vision tells him Lois LaTour is inside. If Superguy is 1.00 km away from the tower, and the elevator falls from a height of

*asked on June 10, 2010* -
## Probability

A customer at Cavallaro’s Fruit Stand picks a sample of 3 oranges at random from a crate containing 60 oranges, of which 4 are rotten. What is the probability that the sample contains 1 or more rotten oranges?

*asked on July 23, 2016* -
## physics

A barge with mass 1.0×105 kg is proceeding down river at 5.8 m/s in heavy fog when it collides broadside with a barge heading directly across the river (see the figure). The second barge has mass 2.58×105 kg and was moving at 4.2 m/s. Immediately after

*asked on November 6, 2009* -
## geometry

A slide 4.1 meters long makes an angle of 35 degrees with the ground. To the nearest tenth of a meter how far above the ground is the top of the slide. Could someone please explain don't want just answer would like to know how to do the work.

*asked on February 19, 2012* -
## Math (Statistics)

In exercise 12, the following data on x = average daily hotel room rate and y = amount spent on entertainment (The Wall Street Journal, August 18, 2011) lead to the estimated regression equation ŷ = 17.49 + 1.0334x. For these data SSE = 1541.4. City:

*asked on April 30, 2017* -
## algebra

where would you graph 10/7 on a number l0/7 on a number line? i took 10/7 made it 1 3/10 and think youd graph between 1 and 2 on graph, but not sure.

*asked on August 23, 2012* -
## trig

what is the reference angle for 17 pi/12?

*asked on August 23, 2011* -
## Algebra

Slim Johnson was usually the best free-throw shooter on his basketball tam. Early in the season, however, he had made only 9 of 20 shots. By the end of the season, he had made all the additional shots he had taken, thereby ending with a season reacord of3

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

use properties of real numbers to rewrite the expression (3/5)(5/3).. dont understand.

*asked on August 23, 2012* -
## geometry

Which type(s) of symmetry does the uppercase letter H have? my answer i believe is reflectional symmetry Which type of symmetry is shown by the lowercase letter w? my answer i believe is rotational symmetry. Could someone please check and explain.

*asked on March 5, 2012* -
## geometry

In the graph below, point D is reflected across the y-axis. What are the coordinates of it's image? The graph looks like D is below the x-axis to the right 3 places from y-axis and down 1 place from x-axis. So would my answer be (3,1)?

*asked on March 5, 2012* -
## Physics

Three identical charges of 2.0 uC are placed at the vertices of an equilateral triangle, 0.15m on a side. Find the net force acting on each angle.

*asked on February 22, 2012* -
## geometry

A slide 4.1 meters long makes an angle of 35 degrees with the ground. To the nearest tenth of a meter bow far above the ground is the top of the slide? sin=35 x/4.1 x=4.1 sin=35 not sure how to do this

*asked on February 18, 2012* -
## physics

A 5.00-kg object placed on a frictionless, horizontal table is connected to a cable that passes over a pulley and then is fastened to a hanging 9.00-kg object. Draw free-body diagrams of both objects. Find the acceleration of the two objects and the

*asked on March 25, 2010* -
## Math (Statistics: Test Statistic, Proportion)

The Pew Research Center Internet Project, conducted on the 25th anniversary of the Internet, involved a survey of 857 Internet users (Pew Research Center website, April 1, 2014). It provided a variety of statistics on Internet users. For instance, in 2014,

*asked on April 6, 2017* -
## Math

John's high score on the Asteriud Game was 326,700. Mike's high score was 418,200. Rebecca just played the game and her high score was halfway between John's and Mike's. What was Rebecca's score?

*asked on September 17, 2012* -
## science

displacement vectors of 5km north, 3km east, 2km south, and 3km west combine to a total displacement of? 3km north 13km west 0km 2km south I think 13km west

*asked on February 17, 2012* -
## english

help diagram sentence: Sandra and I are planning to go to the mall tomorrow, but today I am working on my paper.

*asked on June 28, 2010* -
## math

The height of Dougal is 1.84 metres. The height of Seb is 1.7 metres. Write the height of Dougal as a fraction of the height of Seb. Give your answer in its simplest form.

*asked on March 27, 2020* -
## Chemistry

Explain why olive oil has a higher viscosity than water, by selecting an appropriate word from the provided list and filling in the following blanks. Oleic acid has a higher viscosity than water because it is a much________ molecule than water with

*asked on January 26, 2017* -
## Math

Translate the sentence into an equality. The sum of a number times 5 and 27 is at most −26.

*asked on September 27, 2016* -
## math

What is the fewest number of 7's that can be added together to make their sum greater than 4000? A. 4001 B. 572 C. 571 D. 470

*asked on August 14, 2014* -
## Chemistry

Help please, What is the minimum mass of NH4HS that must be added to the 5.00-L flask when charged with the 0.350g of pure H2s(g), at 25 ∘C to achieve equilibrium? Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, through the

*asked on September 16, 2013* -
## Pyhsical Science

What is a system of knowledge and the methods used to find that knowledge? A. science B. technology C. measurement D. curiosity I think it's D.

*asked on August 27, 2013* -
## Math

What number is 4 tens more than 26.?

*asked on January 9, 2013* -
## Physics

Need Help with physics! Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a speed of 17.0 m/s. At the same time, car 2 is 1.3 km east of mile marker 0 traveling at 30.0 m/s due west. Car 1 is speeding

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

If a seed is planted, it has a 70% chance of growing into a healthy plant. If 7 seeds are planted, what is the probability that exactly 1 doesn't grow? Here What I did I thought its premutation but some reason I got that wrong, I multiple by (0.10) and

*asked on April 18, 2017* -
## Math

The point (5,-2) in on the terminal side of an angle t. Find cos

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

Molly deposits $200 in a savings account that has a 20% interest rate compounded annually. What will be her total after 3 years?

*asked on October 20, 2016* -
## College Chemistry

For the reaction that occurs in the voltaic cell Fe(s)|Fe2+(aq)||Cr3+(aq),Cr2+(aq)|Pt(s) use data from Appendix D in the textbook to answer the following questions: a)Determine the equation for the cell reaction b)Determine E0 cell c)Determine ΔG0

*asked on May 17, 2015* -
## math

which value is a solution of the equation 2-8x=-6 Plz answer and give whole test answers

*asked on September 20, 2018* -
## Algebra II

the hypotenuse of a right triangle is 25 inches and the height is 5 inches more than its base. what is the height of the triangle?

*asked on November 5, 2016* -
## language arts

Identify the complete adjective clause. The car I drive has 50,000 miles on the odometer.

*asked on September 24, 2014* -
## Algebra 2

From 1990 to 1994, the mail order sales of health products in the United States can be modeled by S = 10t^3 + 115t^2 + 25t + 2505 where S is the sales (in millions of dollars) and t is the number of years since 1990. In what year where about $3885 million

*asked on September 17, 2014* -
## Physical Science

Which of the following does NOT show the law of conservation of mass? A. 24 g of Mg burn in 32 g O2 to produce 56 g of MgO. B. 24 mL of Mg burn in 32 mL O2 to produce 56 mL of MgO. C. 2 atoms of Mg react with 1 molecule of O2 to produce 2 units of MgO. D.

*asked on August 27, 2013* -
## Econ

If a pure monopolist can price discriminate by separating buyers into two or more groups: A.the marginal revenue curve and the total revenue curve will now coincide. B.the marginal revenue curve will now shift to a position above the demand curve. C.the

*asked on November 30, 2012* -
## Calculus

integral of cscx^(2/3)(cot^3)x i know that cot^2x is csc^2(x)-1, but i just don't understand how to solve the cscx^(2/3), any help? i also know that its trig integrals/substitution...

*asked on June 10, 2012* -
## geometry

A blueprint for a house has a scale factor of 1:35. A wall in the blueprint is 3inches. What is the length of the actual wall? Can someone explain how to figure scale factor?

*asked on March 6, 2012* -
## geometry

Can someone explain how you get the answer b/15. Given the proportion a/b=8/15, what ratio completes the equivalent proportion a/8=?/?. I'm not sure if there is an equation or step you use to get the answer.

*asked on January 24, 2012* -
## Algebra 2

Use the rational root theorem to determine which of the following could not be a root of 6x^3+23x^2-6x-8=0 I need all of the steps. Thanks

*asked on May 24, 2011* -
## Algebra 2

1. Simplify: sqrt6(sqrt2/2+sqrt3)-sqrt8 2. Simplify: sqrt(72x^3)-5x sqrt(2x) 3. Simplify: (2sqrt6-sqrt3)^2 4. Simplify: 6/3+2sqrt3 5. Solve: 2-y=sqrt(y+4) I need all of the steps. Thanks

*asked on May 24, 2011* -
## chemistry

Calculate the mass (in grams) of water vapor produced when 56.0 grams of pure hydrogen gas burn in the air. Given the information from that, calculate the mass of oxygen gas that would be needed to burn 100 grams of hydrogen gas.

*asked on November 15, 2010* -
## algebra 1

An item costs c dollars and 6% sales tax is charged The total cost including sales tax is given by the expression 1.06c you are buying a skateboard that cost $75 what is the cost of the skateboard

*asked on August 23, 2010* -
## Finance

You would like to create a portfolio that is equally invested in a risk-free asset and two stocks. The one stock has a beta of .80. What does the beta of the second stock have to be if you want the portfolio risk to equal that of the overall market?

*asked on October 26, 2009* -
## Social Studies Essay Thesis

Well, I'm doing a report on William Cockerill and I need a thesis statement that answers this historical question: What was the importance of William Cockerill and how did he impact future generations?

*asked on January 23, 2009* -
## Physics

When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.25 103 J. By how much does the potential energy of a 17.0 kg child increase when the child climbs a normal staircase

*asked on November 2, 2008* -
## Physics

A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by each of the

*asked on October 13, 2008* -
## books

In what sense is Oedipus, through a king, also an "everyman" figure? How might the play of 'Oedipus Rex' be said to explore something fundamental about the limitations involved in being human?

*asked on October 4, 2008* -
## math

what is the place and value of the underlined digit in 803. the underlined digit is 3 It's in the one's place the way to think about it is like this: in between the ones and the tenths is the decimal point. Hundreds/tens/ones.tenths/hundreths

*asked on August 21, 2007* -
## Probability

Maria handed in her final data management project last week. The class mean was 83% with a standard deviation of 8. If Maria’s mark produced a z-score of 1.09, what was her grade?

*asked on June 24, 2020* -
## Algebra

Doris invested some money at 7% and some money at 8%.She invested $6000 more than she did at 7%. Her total yearly interest from the two investments was $780. How much did Doris invest at each rate?

*asked on September 19, 2019* -
## social studies

1. Drag and drop the events to arrange them from the event that occured first to the event that occured last. 3.Colonial leaders sign the Declaration of Independence. 2.British soldiers and American colonists clash in Massachusetts. 1.The members of the

*asked on August 29, 2018* -
## Math (Statistics)

The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the

*asked on April 5, 2017* -
## Chemistry

aCETYLENE REACTS WITH OXYGEN GAS TO PRODUCE CARBON DIOXIDE GAS AND WATER VAPOR

*asked on January 27, 2016* -
## Algebra

The functions f(x) and g(x) are described below: f(x) = 32x + 8 g(x) = 32x − 9 The graph of g(x) is obtained by shifting down the graph of f(x) by _____ units. Numerical Answers Expected! Answer for Blank 1: „ð Question 11 (Multiple Choice Worth 5

*asked on November 24, 2015* -
## math

suppose you deposit $3000 in a savings account that pays interest in a a rate of 4%. if no money is added or withdrawn from the account, how much will be in the account after ten years.

*asked on November 9, 2015* -
## math

it takes about 20 minutes to grade a student's paper. How long, in hours, does it take to grade papers for a class of 25 people?

*asked on February 27, 2015* -
## math

A rowing team rowed an average of 17.2 miles per hour with the current and 10.4 miles per hour against the current. Determine the team's rowing speed in still water and the speed of the current I need help fast. anyone?

*asked on July 27, 2014* -
## Statistics

A research worker wishes to estimate the mean of a population by using sufficiently large sample. At the confidence level of 99%,the sample mean will be within 35% of the standard deviation. How large a sample should be taken?

*asked on June 11, 2014* -
## Math: Thinking Mathematically

A flagpole has the height of 16 yards It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top of the pole and attached to the ground at point that is 9 yards from the base of the pole, Find the total

*asked on March 21, 2014* -
## Math

An irrigation pump can pump 250 liters of water per minute. How many hours should the system work to water a rectangular ﬁeld 75 m by 135 m to a depth of 3 cm?

*asked on November 17, 2013* -
## physics

A 2.7 kg ball strikes a wall with a velocity of 7.8 m/s to the left. The ball bounces off with a velocity of 6.6 m/s to the right. If the ball is in contact with the wall for 0.19 s, what is the constant force exerted on the ball by the wall?

*asked on November 8, 2012* -
## math

Solve the equation check for extraneous solutions 6/6-4x/=8x+4 I used/ / for the brackets posssible answers x=1 x=5/2 or x=2 x=5/2 x=5/2 or x=1 Not looking for just the answer, would like to know how to get it.

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

Identify the simple predicate in the following sentence. Our basketball team will play against Wilson High School on Friday night.

*asked on July 30, 2012* -
## geometry

A microscope shows you an image of an object that is 80 times the actual size. Therefore, the scale factor of the enlargement is 80. An insect has a body length of 7 millimeters. What is the body length of the insect under the microscope? I know it's 560,

*asked on March 6, 2012* -
## English

Can someone please check my answers? 1)Passive voice adds directness to your writing. a)true b)false* 2)You should avoid unnecessary shifts in verb tense when writing. a)true* b)false

*asked on January 10, 2012* -
## Algebra

m^2-5m-14=0. Solve using quadratic formula. Thanks.

*asked on September 28, 2011* -
## Math

A ship in calm seas steamed 13 km in one direction, turned and steamed 13 km in another direction, and then returned 12 km back to its original position. The captain then plotted the ship’s course on a nautical chart. She asked her first officer to look

*asked on March 22, 2011* -
## chemistry

What is the net ionic equation for the reaction of AgNO3 with Ba(OH)2?

*asked on October 18, 2010* -
## 6th grade, social studies

I am having some problems figuring out this question.... How does using the five themes help geographers understand the places they study?

*asked on September 27, 2010* -
## MATH

A PIZZA 18" D COST $9.00 FIND PRICE PER SQ IN.OF PIZZA

*asked on April 27, 2010* -
## Math

Use a counter example to show that cos(x+y)= cosx +cosy is not an identity

*asked on November 24, 2009* -
## Algebra

Find all real values of x such that f(x) = 0 f(x) = 3 + 1 x – 2

*asked on October 16, 2009* -
## Physics

As a traffic light turns green, a waiting car starts with a constant acceleration of 6.0 m/second squared. At the instant the car begins to accelerate, a truck with the constant velocity of 21 m/ second squared passes in the next lane. HINT:Set the 2

*asked on September 17, 2008* -
## Probability

Current engineering graduates earn a mean starting salary of $62 000 in Canada, with a standard deviation of $2500. Assuming that the salaries are normally distributed, what is the probability that a graduate will find a job with a starting salary of more

*asked on June 24, 2020* -
## Math

Out if 56 coins, 18 are rare. If you select 10 of the coins, what us the probability that all of them are rare ? P(picking rare coin) = 18/56 = 0.3214 q= 1-p = 1-0.3214= 0.6786 , number of trials = 10 a) All rare coins: ncr= 10c10= n!/(r!*(n-r) =

*asked on May 16, 2020* -
## Algebra

If f varies jointly as q2 and h, and f=24 when q=2 and h=2, find f when q=3 and h=5

*asked on April 20, 2020* -
## English

Read the paragraphs from “Let’s give up on the Constitution” by Louis Michael Seidman. The deep-seated fear that such disobedience would unravel our social fabric is mere superstition. As we have seen, the country has successfully survived numerous

*asked on June 14, 2019* -
## social studies

Due to the spread of the Roman empire throughout Europe,(blank) also spread through the area. A. germanic languages B. basque C. latin D. Indo-european languages my best answer A correct me right or wrong

*asked on May 13, 2019* -
## algebra

A bush cricket jumps from the ground into the air with an initial vertical velocity of 4 feet per second. Write an equation that gives the cricket’s height (in feet) as a function of the time (in seconds) since it left the ground. After how many seconds

*asked on April 20, 2019* -
## Math

The surface area of a cylinder with radius r and height h is twice the product of pi and the square of the radius plus twice the product of pi, the radius, and the height.

*asked on August 28, 2018* -
## algebra

A new cruise ship line has just launched 3 new ships: the Pacific Paradise, the Caribbean Paradise, and the Mediterranean Paradise. The Caribbean Paradise has 19 more deluxe staterooms than the Pacific Paradise. The Mediterranean Paradise has 28

*asked on May 27, 2018* -
## Math

A 512 page book has pages 7 inches wide by 9 inches high. The printed area measures 5.375 iches by 7.75 inches. The left margin is 0.3125 inches and the top margin is 0.5625 inches How wide are the margins at the bottom of each page?

*asked on October 11, 2017* -
## Chemistry

CaCl2 reacts with AgNO3 in aqueous solutions to produce a precipitate of AgCl that can be filtered and weighed. The balanced equation for the reaction is: CaCl2 (aq) + 2 AgNO3 (aq) → 2 AgCl (s) + Ca(NO3)2 (aq)

*asked on October 10, 2017* -
## Math

7. The value of a computer has a decay factor of 0.85 per year. After 2 years, the computer is worth $1445. What was the original value of the computer?

*asked on October 4, 2017* -
## Fluid Mechanics

A hot air balloon carries a load of 1000 N including its own weight. The balloon is 10 m in diameter. Estimate the average air temp of the air inside the balloon if the air outside is 20 is 20 deg C.

*asked on March 19, 2017* -
## Math

Construct the amortization schedule for a 15,000 debt that is to be amortized in 10 equal semiannual payments at 6% interest per half-year on the unpaid balance

*asked on March 5, 2017* -
## Chemistry

How much energy (in kilojoules) is released when 29.0 g of ethanol vapor at 88.0 ∘C is cooled to -10.0 ∘C? Express your answer to two significant figures. q = ______________ kJ Ethanol has mp = -114.5 ∘C, bp = 78.4 ∘C, ΔHvap = 38.56 kJ/mol and

*asked on January 26, 2017* -
## Finance

What is the amount of money created in the banking system due to an initial deposit of $1,000 if the required reserve is 5%? The banks are not holding any excess reserves.

*asked on January 14, 2016* -
## Finance

Calculate the annualized rate of return on a 200-day commercial paper. This loan does not pay periodic interest; it is a discount security. The face value of the paper is $1 million and the current market value is $980,000.

*asked on January 14, 2016* -
## math

He spent $48 on art supplies. The canvas for each of his paintings is an additional $2. He plans to sell his paintings for $10. Find the number of paintings (p) he will need to sell to break even.

*asked on October 4, 2015* -
## math

F= 9/5-62+32

*asked on September 22, 2015* -
## Physical science

A hydraulic lift is used to lift a heavy machine that is pushing down on a 3.0 m2 piston A1 with a force F1 of 1200 N. What force F2 needs to be exerted on a 0.090 m2 piston A2 to lift the machine? im having problems tring to solve it can you please help

*asked on April 20, 2015* -
## math

How do you find the slope for the direct variation equation y=11x

*asked on April 5, 2015* -
## physics

a locomotive is accelerating at 1.6 meters per second it passes through a 20.1 meter wide crossing in a time of 4.03 seconds after the locomotive leaves the crossing how much time is required until it's speed reaches 5.3 meters per second

*asked on October 6, 2014*