Tuesday

February 21, 2017
Total # Posts: 1,651

**Algebra: Quadratic Functions**

Maximum height: 16ft Time to reach that height: 1 second Time in the air: 2 seconds Highest distance from trampoline: 4ft SAME PERSON WHO ASKED QUESTION

*April 8, 2015*

**Algebra: Quadratic Functions**

The height of an acrobat who jumps from a trampoline 2 feet in the air is modeled by the function: y = -16x^2 + 16x + 12, where x is the time in the seconds after the acrobat jumps. 1: Find the maximum height of the acrobat. 2: Find how long it takes to reach that height. 3: ...

*April 8, 2015*

**Algebra: Quadratic Functions**

When the rocket will reach max height: 1/14 seconds Maximum height: 7.918... Feet BY SAME PERSON WHO ASKED QUESTION

*April 8, 2015*

**Algebra: Quadratic Functions**

NOT AM ACTUAL ANSWER. THIS IS BY THE SAME PERSON. IMPORTANT SIDE NOTE: the -16t is squared.

*April 8, 2015*

**Algebra: Quadratic Functions**

if a rocket is launched straight up into the air with an initial velocity of 112 feet per second, it's height after t seconds is given by the formula h = 112t - 16t, where x represents the height of the rocket in feet: A. When will the rocket reach it's maximum height ...

*April 8, 2015*

**Math**

Solve the equation. Choose the answer in simplest form. 4x = 8/7 a. 1/28 b. 1/7 c. 2/7 d. 7/2 Would the correct answer be b.

*April 8, 2015*

**Algebra**

What is the equation of the line that passes through (-6,-2) and is parallel it the line with the equation x=4

*April 8, 2015*

**Algebra**

How many musicians are there in an orchestra if 24 violinists represent 15% of all musicians?

*April 8, 2015*

**math**

The cost of a student ticket to the school play is $7. Write an equation that correctly relates the cost, c, for a particular number of student tickets, s, purchased. Identify the independent and dependent variables.

*April 8, 2015*

**Math**

You are working as an assistant to a chef. The chef has 6 cups of berries and will use 2/3 cup of berries for each dessert he makes. How many desserts can he make? Where do I start to solve this problem?

*April 7, 2015*

**English**

1. In formal writing, abbreviations ________. A. can be used sparingly B. should never be used C. can be used depending on the instructor's preference D. can be used depending on the discipline 2. A paragraph contrasting two teachers in which the first half of the ...

*April 2, 2015*

**variation**

T varies inversely as R and T =3.5 when R =10

*April 2, 2015*

**English**

1. The basis is another word for ________. A. the overall thesis of the essay B. selecting categories C. the order of classification D. guidelines provided by a professor

*March 27, 2015*

**English**

Would 2 be A? Sorry, im really not sure to be honest.

*March 27, 2015*

**English**

1. Choose the letter of the one sentence in which quotations and underlining are correctly used. A. I hope, commented Josh, that I do well enough to make it to the final race. B. "I hope," commented Josh, "that I do well enough to make it to the final race."...

*March 27, 2015*

**Business**

14. When you first started your new business, you were so excited about the large volume of orders you had. One year later, you find that your orders are less than half of what they were in the beginning. What is the most probably cause of this decrease in order? A. You'...

*March 26, 2015*

**Business**

Oh ok I'm get it now

*March 26, 2015*

**Business**

19. The price for predictability is often A. long hours. B. long-term boredom. C. stress and insecurity. D. increased self-confidence. I think D or a

*March 26, 2015*

**Business**

Okay thank you!!

*March 26, 2015*

**Business**

12. You start a new business selling a product that's the best of its kind on the market. In addition to this product, what must you have to be successful? A. Good marketing B. Sales experience C. A large staff D. A franchise license I think b or a

*March 26, 2015*

**algebra**

Show how you would solve by Substitution: 2x + y = 0 x – 3y = -7 Show how you would solve by Elimination: 3x + 4y = 1 5x – 3y = 21

*March 26, 2015*

**algebraic expression**

three times the number N less 13the number M

*March 25, 2015*

**business**

It was D

*March 25, 2015*

**business**

Okay thanks

*March 25, 2015*

**business**

1. What percentage of new businesses fail in the first year? A. 40 percent B. 60 percent C. 25 percent D. 75 percent I think it's A. But not sure

*March 25, 2015*

**statistics**

'Usa today reported on the results of an opinion poll in which 63% of adults said they would sleep if they were sick. 18% said they would watch t.v The poll included poll of 1,000 respondents. Construct a 90% confidence interval for the true percentage of adults who would ...

*March 20, 2015*

**science**

Which statement is true regarding nuclear energy

*March 20, 2015*

**Spanish**

The correct answers for the first part is 1 = ponga 2 = diga 3 = haga 4 = salga 5 = valga 6 = sabe 7 = pueda 8 = verifique Number 9 is 1 = es 2 = estamos Number 10 is 1 = estaba 2 = estaba 3 = sea Number 11 is 1 = Es 2 = está Number 12 is 1 = Estoy 2 = es Number 13 is ...

*March 20, 2015*

**maths financial**

Brenda takes out a twenty year loan of R400,000..she repays the loan by means of equal montly payments starting one month after the granting of the loan.the interest rate is 16% per annum compounded montly. calculate the montly instalments.

*March 19, 2015*

**Help- English**

The answer to number 19. is NOT B. It is 'feels sad' so it is C. They are liars, I got a 13/18 Thanks a LOT Juice. Ugh. And also for 18. it is "Jessica is the own of the bike."

*March 18, 2015*

**Geometry**

Prove that any altitude of a triangle must be less than the semiperimeter.

*March 16, 2015*

**math**

write an equation of a circle with the given center and radius. center (–7 –3) and radius 13

*March 15, 2015*

**physics**

A student, 90.0 m away from the foot of a cliff, claps her hands and hears the echo 0.50 s later. Calculate the speed of sound in the air.

*March 6, 2015*

**Physics**

a man sets his watch at noon by the sound of a factory whistle 4.8 km away. If the temperature of the air is 20 degrees C, how many seconds slow will his watch be?

*March 5, 2015*

**math**

A number of circles touch each ather. The area of the smallest circle is 4picm2 and each consecutive circle has area 9/4 times that of the previous one. If the distance AB=665/8. Line AB passes at the centre of the circles. How many circles are there?

*March 4, 2015*

**math**

A number of circles touch each ather. The area of the smallest circle is 4picm2 and each consecutive circle has area 9/4 times that of the previous one. If the distance AB=665/8. Line AB passes at the centre of the circles. How many circles are there?

*March 4, 2015*

**math**

A number of circles touch each ather. The area of the smallest circle is 4picm2 and each consecutive circle has area 9/4 times that of the previous one. If the distance AB=665/8. Line AB passes at the centre of the circles. How many circles are there?

*March 3, 2015*

**maths**

A number of circles touch each ather. The area of the smallest circle is 4n cm^2 and each consecutive circle has area 9/4 times that of the previous one. If the distance AB=665/8. Line AB passes at the centre of the circles. How many circles are there?

*March 3, 2015*

**Social Studies**

the anonymous dude is right. got 100% at connexus. C A C C D

*March 3, 2015*

**science**

If an object is thrown 60m into the air and it takes the object 6s to get there what's there average speed of the object

*February 28, 2015*

**English**

I believe it is B and then C? 1. Examples in writing ________. A. help you concisely tell a reader a story that makes a point B. provide specific illustrations and instances C. help you show your reader what you see, hear, smell, touch or taste D. include sense impressions, ...

*February 27, 2015*

**English**

Im going to post a few i want to check over. I think it is B, C, and A 1. In narration, dialogue should ________. A. be used solely to describe conflict B. be used sparingly and at significant moments C. be used in each paragraph D not be used at all 2. Which event would BEST ...

*February 27, 2015*

**English**

D? Dialogue

*February 27, 2015*

**English**

A successful narrative essay de-emphasizes or omits ________. A. the thesis statement B. unimportant details C. conflict D. dialogue Is it B?

*February 27, 2015*

**maths**

If 3•5/9 and 40•1/2 are the 1st and last term of geometric sequence. Determine the value of fifth term if there are seven terms.

*February 26, 2015*

**maths**

Three terms of geometric sequence: T1,T2 and T3. If T2=T1+4 and T3=T2+9 determine the values of T1,T2 and T3.

*February 26, 2015*

**maths**

1/tan60';sin90',tan60';...form a sequence. Calculate the fourth term.

*February 26, 2015*

**History**

Which of the following was not a representation or an example of New Women expressing freedom and independence?

*February 22, 2015*

**Math**

"The conjugate of the sum of two complex numbers is equal to the sum of the conjugates of the two complex numbers." This is true right?

*February 19, 2015*

**English**

1. To avoid using unnecessary colons, use the colon only after a/an ________. A. coordinating conjunction B. series of items C. main clause D. introduction 2. A(n) ________ introduction establishes your authority on the topic and sets the stage for the discussion contained in ...

*February 13, 2015*

**English**

A(n) ________ introduction begins with a point that is more specific than that of your thesis. A. quotation B. contrasting idea C. broad-to-narrow D. narrow-to-broad

*February 13, 2015*

**ENGLISH**

I have two questions i need help on. Im pretty bad with colons and semicolons :/ 1. When two main clauses are joined together without the use of a coordinating conjunction, the clauses should be separated by a ____. A. semicolon B. comma C. colon D. subordinate clause Choose ...

*February 13, 2015*

**Physics**

A cannon fires projectile (ordinarily called a cannonball) at an angle 85 degrees from the ground. The cannonball has a speed 150 m/s, and it is launched from hill 20 m above the plain where it will land.

*February 11, 2015*

**English**

I need some more help with these question. Please. I want to make sure i do well 1. When writing reports and proposals, ________. A. state your reason for writing in the first sentence, as your reader will likely dispose of the document quickly B. research and being well-...

*February 6, 2015*

**English**

I need help with these problems 1. Academic writing is defined by conventional forms of writing, such as ________. A. research reports and case studies B. editorials and arguments C. summaries and problems D. prose and poetry 2. Public writing includes ________. A. fliers, ...

*February 6, 2015*

**math**

what is the expression for the area of the shaded region in the diagram in factored form? diagram: (shaded) Large circle have diameter of 8x (clear) small circle have diameter of 8y ___ my work: Area of large circle - Area of small circle Pi * 4^2 - pi * 4^2 = pi ( 2x+2y)(2x-...

*January 30, 2015*

**math -factor**

factors of 9x^2 - 1/100. = (3x + 1/50)(3x - 1/50) ?

*January 30, 2015*

**English**

Thank you Writeacher. Does this sound better? 2.Eggs and bacon make a good protein-based breakfast, so you don’t get hungry. 3. Despite misgivings, Jonah ate the green eggs and ham, for he was a fan of Dr. Seuss. 4. The mighty stallion reared, and bucked, and pitched the ...

*January 30, 2015*

**English**

I need to make sure these has the correct punctuation. Ive already done them, i just want to be positive 1.Kenneth scored the winning touchdown, and he was crowned Homecoming King. 2. Eggs and bacon make a good protein-based breakfast so you don’t get hungry. 3. Despite ...

*January 30, 2015*

**math**

limit of x approaches -3. (2x^2 + 4x + 1)

*January 28, 2015*

**math**

Thank you!

*January 28, 2015*

**math**

B . . . . . . . . . . . . . . C A Triangle ABC is right angled at A. The area of triangle is = ½bh. The area of the triangle is 3/2x^2 + 10x + 16cm^2 where x is a positive integer. The area of the triangle ABC can be written in the form 1/2 (x+a)(bx + c) . The value of ...

*January 28, 2015*

**language arts**

B A B A

*January 27, 2015*

**Math**

what factor do 4x^2 +13x+3 and 8x^2+22x-6 have in common? i try and got answer of 12, am i right or wrong?

*January 27, 2015*

**Physics**

In a 100 m linear accelerator, an electron is accelerated to 1.40% of the speed of light in 46.0 m before it coasts for 54.0 m to a target. What's the electron's acceleration during the first 46.0 m? b) How long does the total flight take?

*January 24, 2015*

**Language Arts**

A C C B C

*January 23, 2015*

**English**

Other than examples, a good way to provide detail in your paragraphs would be to ________. A. restate the topic sentence B. restate the thesis C. use transitional words D. use comparisons I think its D?

*January 23, 2015*

**English**

The topic sentence of a body paragraph provides a thesis link by ________. A. revising the thesis to fit the body paragraph B. introducing the thesis of the essay C. mentioning the general subject of the essay D. providing an example that underscores the thesis

*January 23, 2015*

**English**

I think its B?

*January 23, 2015*

**English**

If a thesis statement lists multiple supporting points, topic sentences ________. A. are not used B. follow the same order C. do not offer direction D. only address the first point

*January 23, 2015*

**English**

Im thinking A?

*January 23, 2015*

**English**

Which of the following is a simple sentence? A. The store opened early and closed late to celebrate its annual sale. B. She left home on time, but she still arrived late due to traffic. C. After he compared the prices and features, he purchased the less expensive model. D. ...

*January 23, 2015*

**Math (factors and products)**

what are the factors of p^2 + 11p - 42 ? Thank You.

*January 21, 2015*

**Math (Greatest common factor)**

Please Help! I don't understand the question asking. The greatest common factor of 12m^5n^3 + 18m^3n^3 - 24m^2n^3 is Am^bn^c, where A,B and C are whole numbers?

*January 21, 2015*

**Chemistry**

For a particular reaction, ΔH = -328.21 kJ and ΔS = 98.7 J/K. Calculate ΔG for this reaction at 298 K.

*January 17, 2015*

**Science**

Please help me to solve this equation. Than you for your time and efforts. Here is the question? Jupiter at its closest approach to earth is about 630,000,000 kilometers, the diameter of Jupiter is 140,000 km, calculate the angular diameter of Jupiter in arc seconds. 206,265 ...

*January 17, 2015*

**Math**

what is the volume of a right circular cone with a diameter of 21 centimeters and a height of 87 centimeter

*January 16, 2015*

**Science please help**

explain that the earth consists of four subsystem,across whose boundaries matter and energy flow?

*January 12, 2015*

**Chemistry**

In a constant-pressure calorimeter, 50.0 mL of 0.320 M Ba(OH)2 was added to 50.0 mL of 0.640 M HCl. The reaction caused the temperature of the solution to rise from 21.80 °C to 26.16 °C. If the solution has the same density and specific heat as water, what is ΔH ...

*January 10, 2015*

**physics**

When we say that an object wants to maintain its state of motion, we’re talking about inertia. Which term determines the quantity of inertia for an object?

*January 8, 2015*

**health**

Which of the following statements is CORRECT regarding deciding whether an alcohol sale is legal? A. IF a person looks over 21, they likely are. B. Few minors have physical characteristics of an adult. C. if a person looks like a minor, they likely are a minor. D. signs of ...

*December 11, 2014*

**Algebra**

Studying Microgravity. NASA'S Glen Research Center in Cleveland, Ohio, has a 435-foot drop tower that begins on the surface and descends into Earth like a mineshaft. How long will it take a sealed container to fall 435 feet? Round to the nearest tenth of a second.

*December 4, 2014*

**Science.. Need help ASAP!**

is this in order

*December 1, 2014*

**Chemistry**

how many grams of ammonium nitrate would you have to add to 25mL of room temperature water to get 36°F?

*November 30, 2014*

**calculus**

Baseball Star Bryan is standing at the top of the Sears Tower in Chicago and decides to throw a baseball up with a velocity of 5 m/s. The Sears Tower is 442 meters tall and gravity exerts a constant acceleration of -9.8 m/s/s. Ignore ball mass and wind resistance. a.) Find ...

*November 28, 2014*

**Intro Biology**

1. angiosperm 2.

*November 25, 2014*

**Algebra**

Please help me to solve this Radical Expressions and equations word problem. Here is the question: Find the perimeter and the area of the rectangle. Here are the measurements: length is (sqrt 6+2) and the width is (sqrt 6-2)

*November 22, 2014*

**Algebra**

Please help me to solve this Radical Expressions and equations word problem. Here is the question: Surveying. The length of each lot line of a swimming pool complex is shown. Find the exact perimeter of the irregular shaped lot. Then approximate the perimeter to the nearest ...

*November 22, 2014*

**Chemistry**

thank u

*November 22, 2014*

**Physics**

A motor pushes a boat through the water with the force of 2100 N; the water creates a resistance force of 1800 N. What is the acceleration of 1200 kg boat? (Do I use force equals mass times acceleration? 2100=1200a) If it starts from rest how far will it move in 10 seconds? (...

*November 17, 2014*

**Finance**

Are investors and speculator activities necessary to the system of production, or could businesses function just fine without them? Because I feel like sometimes businesses don't really have to resort to having to sell portions of there business to investors and stuff...

*November 13, 2014*

**History**

Yes, in a sense you are correct but lets word it better. It would be more like, The seventh amendment is the section of the Bill of Rights that guarantees that every person no matter their race, or background a jury trial for civil cases in the federal courts.

*November 13, 2014*

**Chemistry**

0.100 moles of NaOH are combined with 0.125 moles acetic acid. The mixture is taken to a final volume of 100.00 ml. What is the expected pH of the solution? Use Ka for acetic acid of 1.76 x 10^-5

*November 13, 2014*

**Algebra**

I am not sure but I will write all of this down. Thank you Steve. Yours, JAY

*November 2, 2014*

**Algebra**

I really need your help in solving this problem. I appreciate your time and efforts. Have a terrific day :) Here is the question: For each expression, perform the indicated operations and simplify, if possible. Solve each equation and check the result. Two part question: A. u^...

*November 2, 2014*

**Algebra**

Outstanding work Steve, thank you so much! Yours, JC

*November 2, 2014*

**Algebra**

I really need your help in solving this problem. I really appreciate your time and efforts. Here is the question: An amount of money invested for 1 year in a savings account will earn $ 1,500. The same amount of money invested in a mini-mall development will earn $6,500 ...

*November 2, 2014*

**physics**

time it take car to accelerate-2.5/1.25=2sec assume car overtakes truck after tsec Dt=1.5t Dc=(1/2*2*2.5)+2.5(t-2)=2.5t-2.5 At time t,Dt=Dc 1.5t=2.5t-2.5 t=2.5secs b)distance they have travelled equals d=1.5*2.5=3.75m

*October 31, 2014*

**social studies**

So* I meant to say (so).

*October 29, 2014*

**social studies**

The answers to the whole test are... 1.C 2.C 3.B 4.B 5.D I got 100% on the test S yes the answers are correct XD *o*

*October 29, 2014*