Wednesday

December 7, 2016
Total # Posts: 2,402

**physics**

A 2000-kg automobile with four-wheel drive and weight distributed equally on the four 60-cm diameter wheels can accelerate from 0 to 27 m/s (60 MPH) in 6 seconds. a. Calculate the minimum coefficient of static friction between the tires and the ground. (10 pts.) b. What torque...

*December 4, 2016*

**English**

How do themes drive the plot in a story or film?

*December 3, 2016*

**Albert**

x varies directly as the product of u and v and inversely as their sum.If x=3 when u=3 and v=1.

*November 27, 2016*

**Louisiana History**

Do you know the issues that governor Unzaga faced? There is not really a answer choice nor is this a question from school, but I was thinking about this and well if you could just give me a site to look at to find out that would be great... -Thanks Jennifer

*November 11, 2016*

**STATISTICS**

If is equal to 0.79, then is equal to ______.

*November 8, 2016*

**algebra hrlp**

You know the perimeter of a square to be 8 meters. Find the length of one side. How do you set up the formula

*October 13, 2016*

**algebra g**

You know the perimeter of a square to be 8 meters. Find the length of one side. How do you set up the formula

*October 13, 2016*

**algebra**

What type of interval does the following inequality represent? −10 ≤ x < −6 is this an open, close or half open need help

*October 13, 2016*

**algebra**

If a number divided by −64 is increased by −74, the result is −71. is this correct y/-64 -74=-71

*October 13, 2016*

**Macroeconomics help!**

Consider the following simplified economy described by a Cobb-Douglas production function with three factors of production: “K” is physical capital (the number of machines), “L” is labor (the number of workers), and “H” is human capital (the ...

*October 13, 2016*

**algebra homework help**

student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= # of missed problems 65% of correct problems 35% of ...

*October 12, 2016*

**algebra**

DISREGARD this one

*October 12, 2016*

**algebra**

A student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= 3 of missed problems 65% of correct problems 35% of ...

*October 12, 2016*

**algebra homework help**

A student missed 3 problems on a Physics test and received a grade of 94%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. my answer is 5 questions

*October 12, 2016*

**algebra homework help**

A student missed 8 problems on a Chemistry test and received a grade of 47%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. My answer is 15 question were on the test is this correct

*October 12, 2016*

**algebra homework help**

Let z be the unknown number. −61 times the difference between a number and 56 is equal to the number plus −28 Is this correct: -61(z-56)=z-28

*October 11, 2016*

**algebra homework help**

Let y be the unknown number. The difference between a number and 11 is equal to the number times 8. Is this correct y-11=y(8)

*October 11, 2016*

**algebra homework help**

Let x be the unknown number. If a number divided by −42 is increased by −89, the result is −87. n/-42-89=-87 or is it n/-42+-89=-87

*October 11, 2016*

**algebra homework help**

n over-42 -89=-87

*October 11, 2016*

**algebra homework help**

Let x be the unknown number. If a number divided by −42 is increased by −89, the result is −87. 8/-42-89=-87

*October 11, 2016*

**algebra homework help**

The sum of two consecutive integers is 285 is 18 and 54 correct

*October 11, 2016*

**algebra homework help**

is 18 and 54 correct

*October 11, 2016*

**algebra homework help**

142.5 0r 143

*October 11, 2016*

**algebra homework help**

The sum of two consecutive integers is 285 How would I solve an equation like this

*October 11, 2016*

**algebra**

how would I solve for this L = 2πrh; solve for r.

*October 11, 2016*

**Social Studies**

analyze the impact of plant and animal domestication in neolithic societies in middle america

*October 10, 2016*

**algebra**

Need help in solving this To receive an A grade, a student must average 100 or less but more than 93. If Zane received an A in the course and had five grades of 95, 92, 98, 76, and 100 before taking the final exam, what were the possible grades for his final if there were 100 ...

*October 6, 2016*

**math**

club x charges a one time fee of $35 with an additional charge of $35 per month. Club y charges no initiation fee but charges $46 per month. Write an equation to represent the cost for x amount of moths for each club. x=35x+35 y=46x IS this correct?

*October 5, 2016*

**algebra**

Need help with this The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side

*October 4, 2016*

**algebra**

subtract

*October 4, 2016*

**algebra**

need help Jan is 5 inches shorter than her 72 inch tall mother. How tall is Jan in inches?

*October 4, 2016*

**algebra**

need help: When the price of a necklace was reduced by $132, the sale price was $1590. What was the original price of the necklace?

*October 4, 2016*

**algebra**

I do not understand

*October 4, 2016*

**algebra**

need help Marked at half price and less the dealer discount of $4.50, the CD cost $4.50. How much was the original price of the CD?

*October 4, 2016*

**algebra**

Need help with this The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side

*October 4, 2016*

**algebra**

how would you set this up Two sides of a triangle measure 11.4 cm and 16.2 cm. If the perimeter is 32.1 cm, what is the length of the third side in centimeters?

*October 3, 2016*

**Math**

Kevin has a rabbit a ferret a gerbil and a turtle. He feeds them in a different order each day. In how many different orders can Kevin feed his pets?

*September 29, 2016*

**Science **

What would the density of 8 g of the unknown substance from Zarkon be

*September 28, 2016*

**algebra**

13 + [26 ÷ (−6 + 4 ⋅ 1)] My answer is 26 is this correct4.

*September 16, 2016*

**Physical science **

A simple lever is used to lift a heavy load. When a 58-N force pushes one end of the lever down 1.1 m the load rises 0.14 m. How much work is done by the 58-N force? What is the gain in potential energy of the load? How does the work done compare to the increased potential ...

*September 14, 2016*

**algebra need help**

how would you solve something like this 2xy X 3y X -y ______________ 2xy X 3xy X x The X are multiplication MY answer is -y over x2y the 2 goes above the x

*September 14, 2016*

**algebra Need to make sure that my answer is correc**

−( 3x + 3 ) + 2( 2y + 2 ) = -3x + 3 + 4y + 4 = -1x + 4y +7 Is this the correct answer

*September 12, 2016*

**algebra homework help**

−( 3x + 3 ) + 2( 2y + 2 ) Answer is :-3x+7-4y

*September 12, 2016*

**algebra help needed**

the answer is 4x-14y

*September 12, 2016*

**algebra help needed**

5(x+y)-(x+y) 5X+15Y-X+Y answer 6x-15y Us this correct

*September 12, 2016*

**algebra**

−4( 2x + y ) − ( 4x + y ) -4z+4u-4x+y -8x-3y My answer is this correct

*September 11, 2016*

**a**

−4( 2x + y ) − ( 4x + y ) -4z+4u-4x+y -8x-3y

*September 11, 2016*

**ALGEBRA**

−4( 2x + y ) − ( 4x + y ) =4x+4y-4x-4y -8x-3y

*September 11, 2016*

**Math**

9. Find two numbers whose difference is 20 and one third of their sum is 40.

*September 11, 2016*

**algebra**

3x − y2 − 3 + 2y2 + 2x − 4 I have to combine like terms My answer is 5x+1y-7

*September 9, 2016*

**Math**

-12 in the form of a/b where a and b are integers

*September 6, 2016*

**Math**

3.50x + 5.25y =2(3.50x) 3.50x + 5.25y = 1,225.00 Use Elimination Method -3.50( 3.50x + 5.25y ) = -3.50(7) -12.25x - 18.375y = -24.5 3.50 + 5.25y = 1,225.00

*September 3, 2016*

**Math**

A hot dog cart at the entrance of the Stadium sells hot dogs ($3.50) and hamburger ($5.25) for a total of $1,225.00. If it sells twice as many hot dogs as hamburgers, how many of each did it sell?

*September 3, 2016*

**Physics **

Michael flies in an airplane due north to Michigan. The pilot encounters a direct crosswind from the west of 120 mph. What direction must the pilot steer in order to end up with a resultant of due north and average velocity of 120 mph? Measure and calculate the speed of the ...

*August 28, 2016*

**Math **

Tell whether the sequence 1/3,0,1,-2 is arithmetic, geometric, or neither. Find the next three terms of the sequence. A.neither;7,-20,61 B.geometric;7,-20,61 C.arithmetic;1/3,1 1/3,3 D.geometric;-3 1/3, 5 5/9,9 7/27

*August 27, 2016*

**Geometry **

Myles was asked to draw a triangle xyz and then dilate it using the origin aa the center of dilation and a scale factor of 0.75.he thinks adding 0.75 units to the coordinates of the vertices of xyz will help him draw the dilated image. Explain why miles is incorrect,and what ...

*July 27, 2016*

**Math**

At 5:00 in the evening, a man who was 71 inches tall cast a shadow that was 163 inches tall. At the same time a flagpole cast a 756 inches shadow. How tall was the flagpole? Express your answer in two decimal places.

*July 17, 2016*

**Math**

Yes Steve. Triangular base. She just said leg lengths of 12, a base of 9, and height of 23.

*July 16, 2016*

**Math**

Find the surface area of the right prism with the given features: A right triangle with legs of length 12 a base of length 9 and height equals 23.

*July 16, 2016*

**Math**

The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A and B, which are 35 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0° and 84.2°, respectively...

*June 22, 2016*

**Pre-Cal (Help Plz)**

So what is ∠C2? I'm confused

*June 22, 2016*

**Pre-Cal**

Evalute the expressions: 1). sin(π/3)+cos(π/3) 2). (cos 45°)^2-(sin 45°)^2

*June 15, 2016*

**Pre-Cal**

A 13-ft ladder leans against a building so that the angle between the ground and the ladder is 63 degrees. How high does the ladder reach on the building? (round your answer to the nearest foot)

*June 15, 2016*

**Math: Inverse Function (Plz help)**

Find the Inverse function of f: f(x)=8+[square root of(8+x)] f^(-1)(x)=_______, x>8

*June 9, 2016*

**Math - surface area **

A land scape is preparing a circular flowerbed. The bed has a 12-foot diameter. He will need 13 plants per square yard. How many plants should he buy? Thank you.

*June 5, 2016*

**english**

(Pronoun Agreement Error) The cafeteria was in an uproar because every student was overcharged for their lunch. NEW SENTENCE: The cafeteria was in an uproar because students were overcharged for their lunches

*May 11, 2016*

**english**

3. (Pronoun Agreement Error) The cafeteria was in an uproar because every student was overcharged for their lunch. NEW SENTENCE: The cafeteria was in an uproar because students were overcharged for their lunches.

*May 11, 2016*

**english**

Are the second sentences all correct with the changes: 3. (Pronoun Agreement Error) The cafeteria was in an uproar because every student was overcharged for their lunch. NEW SENTENCE: Every student in the cafeteria was in an uproar because they were overcharged for their lunch...

*May 11, 2016*

**Math**

What is the greatest common factor you can use to simplify the ration 85:51

*May 5, 2016*

**english**

Reciting includes a: verbalizing information b: saying main ideas aloud c: writing main ideas d" all of the above e" either b or c but not both I chose all of the above is this correct?

*May 4, 2016*

**english**

twenty years later mar can still remember all of the words of her high school fight song. This can be attributed to : Mary's devotion to her high school or previewing or reviewing or overlearning, I choose overlearning is this correct?

*May 4, 2016*

**9th grade Physical Science**

A.To the right B.To the left C.The rope will remain stationary D.The rope will move in both directions

*May 4, 2016*

**9th grade Physical Science**

Two dogs are fighting over a rope. The first dog is pulling with 10N to the right. The second dog is pulling with 15N to the left. Which way will the rope move?

*May 4, 2016*

**Pre-Algebra**

A mat is 3w inches wide and the frame is w inches wide around a 16in x 48 in poster. Type an expression for the amount of frame material needed.

*May 4, 2016*

**Math **

Brianna deposits $150 at the end of each quarter into an account that pays 8% compounded quarterly for 9 months. calculate the amount in the account at the end of the period. I did this .. 150[(1 + .08)^9x3 – 1] 3 divide the top half by .08/3 = 150[(1+0.027)^27-1] divide ...

*April 30, 2016*

**ethics**

There is a difference between power and authority. Which statement below best describes the relationship and/or difference between power and authority? All supervisors have power and authority. Supervisors gain authority from the people they supervise and power from those who ...

*April 22, 2016*

**Math**

We can find the solutions of sin x = 0.6 algebraically. (Round your answers to two decimal places.) (a) First we find the solutions in the interval [0, 2π). We get one such solution by taking sin−1 to get x = ________ (smaller value). The other solution in this ...

*April 21, 2016*

**english**

Is this question to inform: The bank says that I have no money left in my checking account, but that can't be true. I have plenty of checks left!

*April 17, 2016*

**Math**

Write the first trigonometric function in terms of the second for θ in the given quadrant. tan(θ), cos(θ); θ in Quadrant IV I believe to start this is 1/cos^2*theta. Am I write? If not, can you please help me?!

*April 14, 2016*

**Math**

An Arc of length 6 cm subtends a 80 degree angle in a circle. What is the radius of the circle? Also what is the area of that sector? What I have so far: S=R*80 degree S= R*4pi/9 6 cm= r* 4pi/9 R=6/4pi/9 R= 6*9/4pi R=54/4pi HELP!

*April 14, 2016*

**Math**

Roulette wheels in Nevada have 38 pockets. They are all numbered 0, 00, and 1 through 36. Of all 38 pockets, there are 18 red, 18 are black, and 2 are green. Each time the wheel is spun, a ball lands in one of the pockets, and each pocket is equally likely. If you spin the ...

*April 7, 2016*

**Statistics**

Roulette wheels in Nevada have 38 pockets. They are all numbered 0, 00, and 1 through 36. Of all 38 pockets, there are 18 red, 18 are black, and 2 are green. Each time the wheel is spun, a ball lands in one of the pockets, and each pocket is equally likely. If you spin the ...

*April 7, 2016*

**Statistics **

Roulette wheels in Nevada have 38 pockets. They are all numbered 0, 00, and 1 through 36. Of all 38 pockets, there are 18 red, 18 are black, and 2 are green. Each time the wheel is spun, a ball lands in one of the pockets, and each pocket is equally likely. If you spin the ...

*April 7, 2016*

**Physics 110**

How much energy is needed to raise 500 grams of water from 10 degrees Celsius to 40 degrees Celsius?

*March 28, 2016*

**math**

Please help me !

*March 26, 2016*

**math**

Brenda pours 1/2 of a bottle of soda into a punch bowl then she pours two 8 Oz cups for Tim and Ellen she pours 4 Oz for her father and 1/2 of what is left for her sister there is just enough left for Brenda to have a 4 Oz cup how much soda was in the bottle when she started? ...

*March 26, 2016*

**math**

i am a 3 digit number the sum of my digits is 10 my first digit and my last digit are the same one of my factors is 7 what number am i? A 181 B 262 C 343 D 505 CHOOSE ONLY ONE!!

*March 26, 2016*

**Engish**

Despite brawls caused by drunken fans, it is virtually impossible to eliminate alcohol from baseball stadiums. A major reason is that the key sponsors of baseball games are beer manufacturers such as Coors, Miller, and Busch. This is a Cause and Effect is this correct.

*March 26, 2016*

**english**

The relationship between these two sentences are: Comparison Is this correct Many Hispanic girls celebrate their fifteenth birthday in a special way. Similarly, Anglo girls have a special party for their “sweet” sixteenth birthday

*March 25, 2016*

**Math**

A certain recipe asks for two thirds cups of granola how much do you need to make 1/7 of a recipe

*March 25, 2016*

**math**

-3(x-1)+7+5(x-2)

*March 19, 2016*

**math**

thier ages add up to 102. How old is each person?

*March 16, 2016*

**math**

Aiden is 12 years older than Tim. Mical is 4 times older than Tim.

*March 16, 2016*

**Math**

The ratio between the height of the in a sink (h) in centimeters and the number of minutes it has been filling (m) is 0.95. The sink has been filling for 40 minutes. What is the height of the water in the sink.

*March 12, 2016*

**Math**

With these problems, be sure and draw everything out so you can see what's happening. h = 7*tan(25)

*March 6, 2016*

**Math**

F = 5(s) //F = father, s = son F + 4 + s = 56 5s + 4 + s = 56 6s + 4 = 56 6s = 52 s = 8 (approx) Son = 8 yrs Father = 40 yrs. Check: F = 5(s) = 5(8) = 40 S = 8 40+4 = 44 8+4 = 12 44+12 = 56.

*March 6, 2016*

**Electronics**

Is a circuit a bandpass filter only when it's a high pass filter followed by a low pass filter? Or can it ever be a low pass filter and then a high pass filter (cascaded together)? Does the order matter if it's then followed by a gain/amplifier stage?

*March 5, 2016*

**physcal science**

If the velocity of the car is increased to 45 km/hour, what is its kinetic energy?

*March 2, 2016*

**Maths**

y = -14sin(8x)2cos(5x) - 4sin(5x)cos(8x) u = -14sin(8x) u' = -112cos(8x) v = 2cos(5x) v' = -10sin(5x) u2 = -4sin(5x) u'2 = -20cos(5x) v2 = cos(8x) v'2 = -8sin(8x) y' = (uv') + (vu') + (u2v'2) + (v2u'2) y' = [(-14sin(8x))(-10sin(5x)] - [(...

*March 2, 2016*

**Chemistry**

How many mL of 0.101 M HCL are needed to neutralize 1.00 g of potassium hydroxide?

*March 1, 2016*