Sunday

February 26, 2017
Total # Posts: 1,651

**Exponential**

In 1626, Peter Minuit traded trinkets worth $24 for land on Manhattan Island. Assume that in 2014 the same land was worth $4 trillion. Find the annual rate of interest compounded continuously at which the $24 would have had to be invested during this time to yield the same ...

*February 14, 2017*

**math**

The graphs of ? f(x)=?5/3x+9 ? and ? g(x)=2^x?1? intersect at (3,?4) . What is the solution of ?5/3x+9=2^x?1 ? Enter your answer in the box.

*February 11, 2017*

**math**

What is the solution of the system of equations? y=5/6x+1 ?x+y=2 Enter your answer in the boxes.

*February 11, 2017*

**math**

What is the solution of the system of equations? 13x?6y=2 3x?4y=?10 Enter your answer in the boxes.

*February 11, 2017*

**math**

A birch tree that is 4 ft tall grows at a rate of 1 ft per year. A larch tree that is 6 ft tall grows at a rate of 0.5 ft per year. Let the variable t represent time in years and h represent height in feet. In how many years will the trees be the same height? Which system of ...

*February 9, 2017*

**math**

What is the solution of the system of equations? 13x?6y=2 3x?4y=?10 Enter your answer in the boxes.

*February 9, 2017*

**math**

Solve. 2d?e=7 d+e=5 Use the linear combination method. The solution is (3, ?1) . The solution is (4, 1). There are infinitely many solutions. There is no solution.

*February 9, 2017*

**math**

Solve. y=x?8 2x+3y=1 use the substitution method. (4, ?4) (5, ?3) (2, ?6) (0, ?8)

*February 9, 2017*

**PHYSICS**

A lemming runs horizontally off the side of a 27.8 m cliff at 1.12 m/s. How long will it take for the lemming to hit the water? How far will it travel in the horizontal direction?

*February 9, 2017*

**math**

What is the y-coordinate of the solution of the system of equations? y=2x+14 ?4x?y=4 Enter your answer in the box. y = ?

*February 8, 2017*

**physics**

If a golden eagle is flying due west with a speed of 32 mph, and encounters a wind that blows it north at 11 mph, what is the resultant velocity of the eagle in m/s? At what angle must the eagle be heading in this direction?

*February 8, 2017*

**spanish**

how would you say, "I like art class" in Spanish?

*February 8, 2017*

**history**

what is a buffer state? a.) a neutral state that helps prevent conflict between warring states. b.) a politically active state that helps stir up regional discord c.)a state that serves to buffer the economic wants of neighboring nations d.) a state that is tougher than others...

*February 7, 2017*

**math**

Help... 1. -1 3/4 writing as the quotient of two integers. 2. -0.73 writing as the quotient of two integers.

*February 7, 2017*

**Chemistry**

Calculate the pH of HCL if you have 10.0g in 5.0L of solution

*February 6, 2017*

**Calculus **

Write an expanded polynomial equation based on the following information. A cubic function with a zero x=3 (with multiplicity 2), a zero at x=2, and a constant term of 18.

*February 2, 2017*

**Geometry**

Angle C and Angle D are supplementary angles. If the measure of Angle D is nine less than twice the measure of Angle C, find the measure of Angle D. PLEASE HELP!!! I have no idea where to even start!

*January 29, 2017*

**Physics**

determine the magnitude and direction of the net force acting on q0 where q0=1uC ,q1=-1uC,q2=2uC and q3=-4

*January 29, 2017*

**Math-algebra**

Find k so that the line through ?(4, 1) and? (k, 3) is a. parallel to 8x+9y=18 y= -8/9x + 8/9 ? b. perpendicular to 3x+4y=8 y= -3/4x +2 I have solved both equation and found the slope, but I am not sure were to go from there. When I tried it the first time I got -17/2 for K. ...

*January 26, 2017*

**Applied Calculus **

From a height of 25 meters a ball is thrown vertically upwards at a velocity of 5 meters per second. a. What time in seconds will the ball reach its maximum height? b. What is its maximum height? c. When will the ball strike the ground? d. What will be the ball’s velocity...

*January 26, 2017*

**Physics**

Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start breaking is 1.0 ...

*January 24, 2017*

**Physics (9th)**

Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start breaking is 1.0 ...

*January 24, 2017*

**Find the equation of the perpendicular line**

Find the equation of the perpendicular line passing through the midpoint of the line segment connecting (?2, 7) and (7, ?1).

*January 24, 2017*

**find the equation**

Find the equation in standard form for the line that satisfies the given requirements. slope ?3, x-intercept (8, 0)

*January 24, 2017*

**Standard Form**

Find the equation in standard form for the line that satisfies the given requirements. horizontal line through (?8, ?9)

*January 24, 2017*

**Standard Form**

Find the equation in standard form for the line that satisfies the given requirements. passing through (1, 5) and (2, 6)

*January 24, 2017*

**Specify a Period on the graph**

y = 2 cos(5?x) .... whats the period?

*January 24, 2017*

**Calculus**

Solve the quadratic equation by factoring. (Enter your answers as a comma-separated list.) 5x2 ? 23x = ?12

*January 24, 2017*

**Ophthalmic **

Where must an object be placed in front of a plus lens in air of focal length 8cm to give an image: i. 25cm behind the lens? ii. 25cm in front of the lens?

*January 23, 2017*

**Physics**

I am hopelessly lost and my physics class is a self-paced 100% online nightmare with no assistance available.

*January 19, 2017*

**Physics**

A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the helicopter's.]

*January 19, 2017*

**math**

The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the discounted price. How much sales tax will be added?

*January 18, 2017*

**math**

Please help!!!!! You earn $240 for your first paycheck. You pay 22% of it in taxes. You decide to put 40% of the remaining money into savings. How much money will you have left to spend? -The amount you pay in taxes is? -The remaining after taxes is? -Write an expression to ...

*January 17, 2017*

**Math**

Jordan's football team gained 12 yards on their first play. On the second play, the team lost 8 yards. Which expression could be used to describe the total yards gained by Jordan's team?

*January 10, 2017*

**Algebra **

debbie anderson cuts a piece of wood measuring 3 3/8 inches into two equal pieces. How long is each piece?

*January 9, 2017*

**math**

Which ordered pair is a solution to the system of equations? {4x+y=2 ?2x+y=5 A. (1, -2) B. (- 1/2, 4) C. (2, -6) D. (7/2, -12)

*January 9, 2017*

**math**

A tree that is 3 feet tall is growing at a rate of 1 ft per year. A 5 ft tree is growing at a rate of 0.75 ft per year. The ordered pair (t, h)(t, h) represents the time, t, at height, h. Which ordered pair represents the year when the trees will be the same height? A. (6, 9) ...

*January 6, 2017*

**math**

What is the fifth term in the arithmetic sequence defined by the explicit formula an=6n?4? Enter your answer in the box. a5=

*January 3, 2017*

**math**

@ms.sue

*December 22, 2016*

**math**

What is the recursive rule for an=2n+11? a1=13;an=an?1+2 a1=13;an=an?1+11 a1=2;an=an?1+11 a1=11;an=an?1+2

*December 22, 2016*

**math**

If f(x) = 3x and g(x) = 3x + 1 + 6. Describe the transformations from f(x) to g(x). A) left 1 and up 6 B) left 6 and up 1 C) right 6 and up 1 D) right 1 and down 6

*December 20, 2016*

**Literature**

It is also important that the verb always agrees with the subject, not the Predicate Noun. In this example, which word is the simple subject? Her award to the students was a virtual high five. Question 4 options: her award students high-five

*December 20, 2016*

**Literature**

D?

*December 20, 2016*

**Literature**

What does this quote reveal about Elie's internal struggle? "For the first time, I felt revolt rise up in me. Why should I bless His name? The Eternal, Lord of the Universe, the All-Powerful and Terrible, was silent. What had I to thank Him for?" Question 5 ...

*December 20, 2016*

**Literature**

Is it A?

*December 20, 2016*

**Literature**

What are the conditions like in the railcars the Jews take to the concentration camps? Question 1 options: A.)They are dirty, Jews are crammed in like animals, there is little food and drink, valuable possessions are taken from them, and then are warned to stay with the threat...

*December 20, 2016*

**literature**

Identify the part of speech for the underlined word in the sentence: After the tiring game, I quickly went to get ice cream and celebrate our hard-fought victory! victory is the one underlined. Question 4 options: A.)noun B.)verb C.)preposition D.)adjective D?

*December 20, 2016*

**Literature**

Thank You!!!!(:

*December 20, 2016*

**Literature**

Why didn't the people of Sighet, Hungary (and other small towns like it) run away or fight back when they were rounded up and sent to ghettos and eventually deported? A.)The didn't believe or understand what they where they were going and what was going to happen. B.)...

*December 20, 2016*

**language**

Hmm.B?

*December 20, 2016*

**language**

Which is expressed with the MOST precise language? A) The desk was rectangular in shape. B) In my personal opinion, the test was easy. C) Heidi has piano lessons every Friday at 6 p.m. D) My uncle believes that in the future to come we will all have robots.

*December 20, 2016*

**Writing Essay 5th grade**

Thank you much for your comment and website you mentioned really helped me to learn and improve my essay. soon I will finish final copy of my essay.

*December 19, 2016*

**Writing Essay 5th grade**

Hello, I got an assignment writing persuasive essay why we should save water? Could plz check my essay and guide me if I need to change anything. Thank You for your help. Why we should save water. (Persuasive Essay) Have you wondered why we should save water and how we can ...

*December 19, 2016*

**Physics**

How much heat does a freezer need to remove from 1kg of water at 40°C to make ice at 0°C? (You will need to use the specific heat of water to drop the temperature first, before trying to make the phase change!) Show your work. Please help! Also, this site isn't ...

*December 7, 2016*

**Physics**

UPDATE: is this correct? c = Q/m?T 330000 = Q/3*0 Q = 330000*3*0 Q = 0

*December 7, 2016*

**physics**

Is the photoelectric effect a direct consequence of the wave character of E.M radiation or of the particle character of E.M radiation?

*December 7, 2016*

**PHYSICS**

Particles called mesons are produced by accelerator beams. if these particles travel at 2.70* 10^8 m/s and live 2.60*10^-8 s when at rest relative to an observee how long do they live as viewed in the laboratory?

*December 7, 2016*

**math**

What is the common difference d of the sequence? ?15, ?4, 7, 18, 29, ...?15, ?4, 7, 18, 29, ... Enter your answer in the box. d= ?

*December 6, 2016*

**Science. Answer Check**

A kitchen ceiling light has five light bulbs on it. When one of the lights goes out, the other four bulbs stay lit. This is an example of a series circuit. True*** False

*December 6, 2016*

**Science. Answer Check**

1. A student studying a circuit diagram of a lightbulb, battery, and a switch correctly identifies it as a closer circuit. In this diagram, The lightbulb would be a. an insulator b. on*** c. disconnected d. off 2. The focus of gravity on an object on the surface of Mars is ...

*December 6, 2016*

**LANGUAGE**

When the Chorus announces the suicide of Queen Jocasta, members of the audience may display an outward pouring of emotions. That process is known as _____. A) Catharsis B) Anagnorisis C) Peripeteia D) Hubris A?

*December 2, 2016*

**Math**

Which ordered pairs lie on the graph of the exponential function f(x)=128(0.5)^x ? Choose ALL correct answers. A. (0, 1) B. (1, 64) C. (3, 16) D. (8, 0.5) B and C? someone please help

*December 1, 2016*

**Chemistry 1**

What theoretical mass of MgO is produced if 0.150 g Mg3N2 is produced by strongly heating a 2.000 g sample of Mg in air?

*November 30, 2016*

**math**

What is the average rate of change of the function f(x)=20(1/4)^x from x = 1 to x = 2? Enter your answer as a decimal. Do not round.

*November 21, 2016*

**Math**

Let f(x)=5^x Let g(x)=5^x?7 Which statement describes the graph of g(x)g(x) with respect to the graph of f(x)f(x) ? g(x)g(x) is translated 7 units down from f(x)f(x) . g(x)g(x) is translated 7 units right from f(x)f(x) . g(x)g(x) is translated 7 units left from f(x)f(x) . g(x)...

*November 17, 2016*

**math**

What is the percentage of 237 basketball shots taken, but only 103 made?

*November 14, 2016*

**physics**

What is the kinetic energy gained by a 500kg car accelerating from rest to 27m/s? 1/2=mv^2 > 1/2(500)(27m/s)^2= 182,250J a. What is the power output in watts of the engine that causes this acceleration in 4.00s? 27m/s*4s= 108m/s^2 1/2(500)(108)= 27,000 Watts b. How many ...

*November 12, 2016*

**PHYSICS**

Heat transfer Q and work done W are always energy in transit, whereas internal energy E is energy stored in a system. Give an example of each type of energy, and state specifically how it is either in transit or resides in a system.

*November 12, 2016*

**Physics**

Imagine you are driving a car up Pike’s Peak in Colorado. To raise a car weighing 1000 kilograms a distance of 100 meters would require about a million joules. You could raise a car 12.5 kilometers with the energy in a gallon of gas (if all stored chemical energy was ...

*November 12, 2016*

**Pre-Calculus**

14cos+7=O

*November 10, 2016*

**Chemistry**

what would the concentration of the solution of a sulfuric acid be titration of a 25.0 ml sample of acid required 20.00 ml of a 0.20 naoh standardized solution for it to become neutralized

*November 10, 2016*

**Maths**

The two 4's in the number 420.41 have different values. What is the difference in their values?

*November 9, 2016*

**Chemistry**

What mass of carbon dioxide is formed by the complete combustion of 760 g of ethanol?

*November 6, 2016*

**Science**

How many grams of sugar are needed to make a saturated solution of sugar in 100g of water at 20 degrees Celsius?

*November 4, 2016*

**math**

A function is graphed on the coordinate plane. What is the value of the function when x = ?4? Question 4 options: -4 0 4 5

*November 3, 2016*

**Math**

What is the value g(-3) when g(x) = 2x + 1? a.) 7 b.) -5 c.) 5 d.) -6

*November 3, 2016*

**georgraphy**

In the following passage written by a conquistador in 1540, what can you infer about how sick citizens were treated? “No one who was lazy or tried to live by the work of others was tolerated; everyone had to work. Thus on certain days each lord went to his lands and took ...

*October 24, 2016*

**Math**

Frank reads at least 24 pages but not more than 36 pages of a book. He reads 12 pages per hour. The number of hours Frank reads p pages is modeled by a function. t(p)= p/12 1.) All real numbers from 2 to 3, inclusive. 2.) All real numbers. 3.) All real ...

*October 21, 2016*

**PHYSICS**

Explain for each of the following, The Magnus force applies and how it causes an effect. a. A car tire rotating while a car drives. b. A tennis ball curves while moving towards the opposite side of the net. c. A tennis ball changes directions when it hits the ground. d. A ...

*October 16, 2016*

**Statistics**

suppose that 80% of all 18 year olds play basketball. if a sample size of 4 is taken, find the probability that the sample proportion lies within and including one standard deviation of the population proportion

*October 14, 2016*

**theatre**

In Elizabethan Theatre, a playwright would use poetic dialogue to ____. A) Paint a picture of a scene. B) Establish the time and place of action. C) Familiarize the audience with characterization and physical attributes of the characters. D) All of these answers. D??

*October 10, 2016*

**Theatre and Art**

Once a playwright sold his manuscript, he could continue to collect royalties on his work. True or False

*October 10, 2016*

**Physics**

two campers in a national park hike from their cabin to the same spot on a lake each taking a different path. the total distance traveled along path 1 is 7.5 km and that along path 2 is 8.2 km. what is the final displacement of each camper?

*October 7, 2016*

**Math**

rectangle abcd picture above has length of 6 units and a width of 5 units. point d is the ordered pair. find the coordinates of a b c

*October 2, 2016*

**Physics**

Mass is measured in grams, acceleration is measured in meters per second squared, and distance is measured in meters. Force is equal to mass times accelaration, and work is equal to force times distance. What is the unit of work?

*September 28, 2016*

**Maths grade 8**

anyone????

*September 27, 2016*

**Maths grade 8**

Help how do I find "one exterior angle 180- interior angle" of 6,7, 9, 12 sides please show your work so I can understand thank you

*September 27, 2016*

**math**

The equation of a line is x + 4y = 15. What is the y-intercept of the line? −15 4/15 15/4 15

*September 27, 2016*

**Math**

2[3 + (10 – 4)2] 10 - 4 = 6 ^2 = 36 3 + 36 = 39 39 times 2 = 78 Am i right?

*September 27, 2016*

**Math**

If A is a square matrix, show that B=(A+A^T)/2 is a symmetric matrix.

*September 25, 2016*

**English**

are those right

*September 23, 2016*

**english**

I meant D not c. @writeacher

*September 15, 2016*

**english**

Which appositive phrase is punctuated correctly? Shakespeare, the great writer penned many famous sonnets. Shakespeare the great writer, penned many famous sonnets. Shakespeare the great writer penned many famous sonnets. Shakespeare, the great writer, penned many famous ...

*September 15, 2016*

**english**

@ms.sue

*September 13, 2016*

**english**

A and C

*September 13, 2016*

**english**

One of the themes of "The Interlopers" is that nature can be severe and unkind. Below, select the TWO best sentences that support the central idea that nature can be severe and unkind. Question 7 options: Sweating in the heat, we had lost the whole day, dreading to ...

*September 13, 2016*