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Questions Asked on February 12, 2016

A pulley system has a velocity ratio of 4 and an efficiency of 80%.calculate the value of the effort required to raise the load
1. 4 answers
2. asked by Sharon
3. 2,454 views
i need help with my math
1. 2 answers
2. asked by little dark one
3. 315 views
Scores: 5,2,4,2ΣX-2 Σ(X-2) Σ(X-2)^2 can you show me a better idea how to solve this thanks
1. 1 answer
2. asked by bob
3. 371 views
Vector V⃗ 1 is 6.5 units long and points along the negative x axis. Vector V⃗ 2 is 8.3 units long and points at 60 ∘ to
1. 1 answer
2. asked by daniella
3. 1,491 views
1. Which polygon will always be irregular?A. triangle B. trapezoid** C. square D. hexagon 2. Which statements are always true
1. 40 answers
2. asked by Willow
3. 18,418 views
I'm a little confused about what a Pythagorean Triple is.As long as your two legs are both whole numbers, isn't every one a
1. 1 answer
2. asked by Sami
3. 615 views
1. If the net force on an object is O N, the forces are considered unbalanced.true false** 2. Most people in the United States
1. 0 answers
2. asked by Samantha
3. 615 views
If the perimeter of a square floor tile is about 122 centimeters, what is the approximate perimeter of the tile in inches?
1. 2 answers
2. asked by SHABRAELNN
3. 902 views
Find the simplified form of each expression.1.(4/7y^5)^2 A.8/14y^10 B.16/49y^25 C.16/49y^10 D.8/14y^25 2.(x/2y^5)^-2 A.x^2/4y^10
1. 2 answers
2. asked by GummyBears16
3. 1,549 views
The table shows preferences of dancing or playing sports for male and female students.Do you prefer dancing or playing sports?
1. 1 answer
2. asked by Oscar
3. 2,341 views
a solution containing 4.2g KOHand Ca(OH) 2 is neutralized by an acid. it consumes 0.1 equivalent of acid, calculate the
1. 0 answers
2. asked by Nikita
3. 470 views
a solution containing 4.2g KOHand Ca(OH) 2 is neutralized by an acid. it consumes 0.1 equivalent of acid, calculate the
1. 1 answer
2. asked by Anonymous
3. 716 views
Which of the following binomials is a factor of x^3+4x^2+x-6x-2 x+2 x-4 x+4
1. 2 answers
2. asked by Sandra
3. 1,581 views
A construction worker on a high-rise building is on a platform suspended between two cables as illustrated below. The
1. 2 answers
2. asked by Peggy
3. 1,741 views
There were six hundred students to a football match the beginning of the match there one thousand students
1. 2 answers
2. asked by kim
3. 393 views
The Problem:You win the grand prize on a game show. You have the following choices: Option 1: $1-million dollars paid as a $25
1. 3 answers
2. asked by jordan
3. 1,159 views
Predict the water solubility of the following organic molecules: carotatoxin(neurotoxin isolated from carrots)
1. 1 answer
2. asked by Lily
3. 2,980 views
the side of a triangle are 7,16,18. find the longest side of a similar triangle whose shortest side is 7.5.
1. 2 answers
2. asked by Meagan
3. 455 views
1. If the net force on an object is O N, the forces are considered unbalanced.true false** 2. Most people in the United States
1. 10 answers
2. asked by Samantha
3. 3,207 views
Where does the largest population of Jews live?Israel?
1. 1 answer
2. asked by Anonymous
3. 459 views
Where is the hearth of Buddhism?India?
1. 1 answer
2. asked by Anonymous
3. 399 views
What is the Buddhist Plan called?
1. 4 answers
2. asked by Anonymous
3. 794 views
Where did Christianity originate from?Jerusalem
1. 2 answers
2. asked by Anonymous
3. 490 views
Who is the messenger or son of God according to Christianity? What is the name of the Holy Book?Jesus, Bible
1. 1 answer
2. asked by Anonymous
3. 408 views
You are in the supermarket, pushing a cart with a force of 92 Newtons in the horizontal direction. There is a constant force of
1. 1 answer
2. asked by Jack
3. 883 views
what is an example of sonnet?
1. 3 answers
2. asked by boberto
3. 455 views
A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference
1. 3 answers
2. asked by Laci
3. 851 views
What represents the framework or plan for Muslims?
1. 11 answers
2. asked by Anonymous
3. 429 views
Suppose a circle is centered at the vertex (0,0) and has a radius of length 4.For which points on the circle is the x-coordinate
1. 1 answer
2. asked by John
3. 2,110 views
A 600W flashlamp fitted to a camera is operated by discharging a 10 000 uF capacitor through the lamp. The capacitor is charged
1. 1 answer
2. asked by Josh
3. 617 views
Question #1: Which of the following best describes the combination of tradition and modernity in the region?a. a female doctor
1. 5 answers
2. asked by Gourami
3. 842 views
Please help me on this!!! so confusedThe table below shows data from a survey about the amount of time high school students
1. 1 answer
2. asked by shawn
3. 1,815 views
There are 5 quadratics below. Four of them have two distinct roots each. The other has only one distinct root; find the value of
1. 1 answer
2. asked by Zane
3. 886 views
What does this mean?"It is apparent to my mind that the President thoroughly believed the tenure of office act to be
1. 1 answer
2. asked by Lucy
3. 1,989 views
A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference
1. 1 answer
2. asked by Laci
3. 826 views
Consider the function f(x) = (4x + 4)/(2x^2+4x) and the function g(x)=(2x+2)/(x^2+2x) Clearly, f(x) = g(x) for any value of x
1. 1 answer
2. asked by Malden Brown
3. 496 views
We are talking about slope. I don't understand this question.How would you convert an increase of 25% as a slope (rate of
1. 1 answer
2. asked by Rishi
3. 356 views
A 2-mile long train travels at 40 miles per hour through a 1.5-mile long tunnel. How long will it take the train to completely
1. 1 answer
2. asked by PLEASE HELP
3. 525 views
How many sig figs is 820 g of carbon (which has molar mass 12.01) supposed to have when converted to moles?
1. 2 answers
2. asked by Anonymous
3. 466 views
3x+7+4(x-2)
1. 1 answer
2. asked by Selissa
3. 232 views
I have two questions about finding the slope.1. If a staircase has 8 inches of rise for every 12 inches of tread, what is the
1. 1 answer
2. asked by Rishi
3. 611 views
I need help with what to put for my answer to this question, please don't link me to a site.How did the Mexican-American war
1. 2 answers
2. asked by Cassandra
3. 842 views
a tennis ball was thrown vertically upwards with an initial velocity of 20m/s calculate its velocity after 4seconds, it maximum
1. 1 answer
2. asked by Anonymous
3. 865 views
1. The addictive chemical found in all tobacco products isA. tar B. nicotine** C. carbon monoxide D. insulin 2. A person who
1. 43 answers
2. asked by Kristina
3. 18,948 views
Where do most people in Arabia and Iraq live?a. in the Fertile Crescent b. in the Rub' al-Khali c. in cities d. in and around
1. 9 answers
2. asked by Gourami
3. 940 views
A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference
1. 3 answers
2. asked by Laci
3. 1,745 views
Find the volume formed by rotating the region enclosed by: y=2sqrt(x) and y=x about the line y=4
1. 1 answer
2. asked by Lamar
3. 1,896 views
Joe bought a television for $286.26, including tax. He made a down payment of $20.00 and paid the balance in 6 equal monthly
1. 1 answer
2. asked by nicky
3. 493 views
1. Which property is NOT a characteristic of a parallelogram?A. Opposite sides are not congruent B. All angles are congruent**
1. 7 answers
2. asked by Holly
3. 8,428 views
4 pennies, 2 nickels, 3 dimes in a pocket. If two are coins are chosen, what is the probability that both are dimes?
1. 1 answer
2. asked by Will
3. 520 views
Can anyone give me an example of a situation that is inversely proportional and one that is direct? Also tell me the difference
1. 1 answer
2. asked by Sophie D.
3. 417 views
A bowling ball of mass 3.1 kg moves in astraight line at 2.31 m/s. How fast must a Ping-Pong ball of mass 2.552 g move in a
1. 1 answer
2. asked by Kitty
3. 866 views
Alcohol abuse ________ the immune system, which helps protect the body from infections.A. Moderately suppresses B. Severely
1. 5 answers
2. asked by Noemi
3. 497 views
A 35 micro coulomb point charge is placed 32 cm from an identical 35 micro coulomb charge. How muchwork would be required to
1. 1 answer
2. asked by Maddy
3. 1,129 views
Determine how much heat (in kilojoules) is evolved or absorbed in the reaction of 1.05 g of Na with H2O:2Na(s)+2H2O(l)
1. 3 answers
2. asked by Jay
3. 2,541 views
A 35 micro coulomb point charge is placed 32 cm from an identical 35 micro coulomb charge. How muchwork would be required to
1. 1 answer
2. asked by lauren
3. 1,368 views
What is the amount of brain cereal written as a fraction greater than 1,that is usted un the recipe?
1. 1 answer
2. asked by Anonymous
3. 349 views
What is the amount of brain cereal written as a fraction greater than 1,that is usted un the recipe?
1. 1 answer
2. asked by Anonymous
3. 442 views
Research with animals suggests that compared with adults, adolescents are ________ to the negative effects of alcohol
1. 5 answers
2. asked by Noemi
3. 599 views
So I had already asked a question on inverse and direct variation problems, how would it be if the problem is neither inverse or
1. 1 answer
2. asked by Sophie D.
3. 429 views
n(A)=2,n(B)=3,AND (x,1),(y,2),(y,3)€A*B=?
1. 1 answer
2. asked by Algebra of sets
3. 309 views
Elena jogs 7 kilometers west and then 5 kilometers down south. She stops and checks her time. How far is she from her starting
1. 1 answer
2. asked by Isaac
3. 432 views
what must b added to 183÷11 to make it a integer?
1. 2 answers
2. asked by niten
3. 612 views
4 cos 2x + 3 cos x = 1
1. 1 answer
2. asked by alex
3. 571 views
DiffereniateV^3-2v√v I used the quotient rule (v)(v^3-2v√v)' -(v^3-2v√v)(v) /(v)' The answer is 2v-1-1 I got this far but
1. 3 answers
2. asked by Feather
3. 620 views
sin 3x=-1
1. 1 answer
2. asked by alex
3. 348 views
A radar station locates a sinking ship at range 16.7 km and bearing 136° clockwise from north. From the same station, a rescue
1. 1 answer
2. asked by SFSU
3. 988 views
An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 750 m, horizontal distance 20.0
1. 1 answer
2. asked by SFSU
3. 710 views
A ferryboat transports tourists among three islands. It sails from the first island to the second island, 4.38 km away, in a
1. 1 answer
2. asked by SFSU
3. 539 views
Two identical charges repel each other with a force of 10-5 N when they are 20 cm apart.a.) What is the force on each when they
1. 3 answers
2. asked by Mel
3. 3,028 views
a fresh cup is in the form of a right circular one of base radius 7cm abd height 24cm .find the area of the sheet required to 10
1. 8 answers
2. asked by annu
3. 469 views
find the value of k if x equal 2 and y equal 1 is a solution of the eq.2x +3y equal k
1. 2 answers
2. asked by dolly
3. 431 views
Write the Riemann sum to find the area under the graph of the function f(x) = x2 from x = 1 to x = 5.1. the summation from i
1. 1 answer
2. asked by Mel
3. 2,635 views
Which angles are coterminal with pi/6?Chose all answers that are correct. A. 5pi/6 B.13pi/6 C.-5pi/6 D.-11pi/6 I think its A and
1. 1 answer
2. asked by Kaylen
3. 10,901 views
What point on the unit circle corresponds to -5pi/4?A. (-Root2/2, Root2/2) B.(-Root3/2, 1/3 C.(-1/2, Root3/2) D.(0,1) D?
1. 1 answer
2. asked by Robert
3. 587 views
the following observation have been air anged in asending order. if the motion of the data is 63. find the value of x.29,32,48,5
1. 2 answers
2. asked by dolly
3. 362 views
the following observation having been air anged in asensing order if the motion of the data is 63. find the vakue of x.29,32,48,
1. 1 answer
2. asked by dolly
3. 397 views
A 63ft tree casts a 16 ft shadow.What is the angle of elevation from the end of the shadow to the too of the tree to the nearest
1. 1 answer
2. asked by Amber
3. 510 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=1/x^2, y=0,
1. 3 answers
2. asked by Mike
3. 591 views
Cos(-Θ) = Sqrt2/3SinΘ<0 What is the value of sin Θ? A. Sqrt7/3 B.-sqrt7/3 C.sqrt14/7 D.-sqrt14/2 I think it's C
1. 1 answer
2. asked by Ashley
3. 399 views
What is sin Θ given (3,-2) is a point on the terminal of Θ?A.-2/3 B.-sqrt13/13 C.3sqrt13/13 D. -2sqrt13/13 I think it's C
1. 1 answer
2. asked by Ashley
3. 396 views
In which quadrant does the angle Θ lie given thatCos Θ > 0 and tan Θ > 0? A. Quadrant I B. Quadrant II C. Quadrant III D.
1. 1 answer
2. asked by Justin
3. 1,020 views
a triangle whose base is 18 inches long has an area of 280 square inches. find the area of a similar triangle whose base is 6
1. 2 answers
2. asked by IRIS
3. 557 views
the area of a quadrilateral is 200 square feet and its longest side is 20 feet long. find the length of the longest side of a
1. 3 answers
2. asked by misha
3. 656 views
FIND THE COORDINATES OF THE POINT ON THE Y-AXIS WHICH DIVIDES THE LINE SEGMENT FROM (0, -4)TO(0,20)INTERNALLY IN THE RATIO 5:7.
1. 1 answer
2. asked by vanessa
3. 539 views
A container is 1/3 full of water. If 20L is added, then it is 3/4 full how much litres is it when it is full?
1. 5 answers
2. asked by Anonymous
3. 1,427 views
An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 750 m, horizontal distance 20.0
1. 0 answers
2. asked by HELP PLZ
3. 575 views
A ferryboat transports tourists among three islands. It sails from the first island to the second island, 4.38 km away, in a
1. 1 answer
2. asked by help
3. 642 views
calculate the average speed in km/h of a car travelling at 50km/h for 30minutes, and then at 71 km/h for one hour
1. 2 answers
2. asked by maeco
3. 573 views
A boat moves from a point A on the bearing 150¡ã to another point B 10km away.it then changes direction on being south 45¡ã
1. 1 answer
2. asked by simi
3. 636 views
What was the probable speed of a vehicle travelling on a dry tarred road before a collision occurred if the driver braked hard
1. 0 answers
2. asked by Christie Redelinghuys
3. 383 views
The probability of passing geography in the examination is 7/10 and the probability of passing agriculture after one has passed
1. 1 answer
2. asked by Christopher
3. 571 views
the dimension of a cuboid are in the ratio 5:3:2.find total surface area ?giventhe volume is 810 cm cubic.
1. 6 answers
2. asked by alia
3. 1,640 views
How do you solve for (7.5-2cosθ)^2=√{25-4sinθ}^2
1. 1 answer
2. asked by Diana
3. 477 views
A nozzle which is attached to the end of a 4-in fire hose has a length of 1 ft and a diameter at the discharge end of 1 in. If
1. 2 answers
2. asked by Elle
3. 685 views
in what way are miracles and "in just-" different"Miracles" WHY! who makes much of a miracle? As to me, I know of nothing else
1. 5 answers
2. asked by jjiiddss
3. 1,502 views
how to draw six rectangle of different dimensions ( using natural numbers from 1to 11).each rectangle has the dimension of 24
1. 1 answer
2. asked by lma
3. 436 views
1. According to the National Clearing House for Alcohol and Drug Information (NCADI), most children under the age of _____ , who
1. 15 answers
2. asked by untington
3. 9,622 views
It is known that 1.0 L of nitrogen gas reacts with 3.0 L estequilometricamente gas ...?Edit Hydrogen to form 2.0 L of ammonia
1. 0 answers
2. asked by Anonymous
3. 570 views
A force of 200N is resolve in two forces if one component is equal to 120N and makes an angle of 30¡ã with 200N force find the
1. 0 answers
2. asked by Abhinav
3. 463 views

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