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sana

Questions and answers by visitors named sana

Questions (50)

2a+2ab+2bI need a lot of help in this one. it says find two consecutive positive integers such that the sum of their square is
1. 1 answer
2. 666 views
a telephone engineer feeds a sound signal into the mouthpiece of a telephone.As part of the tests he is making he incresesthe
1. 1 answer
2. 384 views
hey i need to write a memorandum for one of my classes about a company...any ideas on what kinds of topics i could write about?
1. 1 answer
2. 400 views
i need help findng the perfect theme and moral of the novel "we are all welcome here" by Elizabeth BergAs soon as possible
1. 1 answer
2. 389 views
i need help picking the right themeA)oppression B)discrimination C)obstacles D)injustice plz asap thankyou
1. 3 answers
2. 1,075 views
what is the historical context of the book "we are all welome hear"Which takes place in 1964 ?
1. 1 answer
2. 364 views
can u edit this and add a little more plz like 2-3 lines plz in easy words, it is from the book we are all welcome here by
1. 3 answers
2. 472 views
Dear teachers ...please read this paragraph .i know it if full of error but plz help me. I particularly liked Erasmus view that
1. 2 answers
2. 520 views
Please correct this paragraph. please..there is no flow in the second paragraph .plz help It is a very interesting and funny
1. 2 answers
2. 501 views
Q3. A skeet (a small disc) of massM is fired at an angle � to the horizontal with a speed v0. Whenit reaches the maximum height
1. 2 answers
2. 562 views
Q2. A block of massmrests on the left edge of a block of larger massM. The coefficient of kineticfriction between the two blocks
1. 2 answers
2. 544 views
Two planets, X and Y , travel counterclockwise in circular orbits about a star, as shown infigure below. The radii of their
1. 1 answer
2. 770 views
A wad of sticky clay of massmand velocity vi is fired at a solid cylinder of massM and radiusR. The cylinder is initially at
1. 1 answer
2. 731 views
A string is wound around a uniform disk of radius R and mass M. The disk is released fromrest when the string is vertical and
1. 1 answer
2. 872 views
) Which of the following should dissolve the smallest amount of silver sulfide per liter, assuming no complex formation? A) 0.1
1. 4 answers
2. 2,276 views
a roller coster goes from 43 yards per hour to a stop in the station.it took 4.5 seconds to stop.what was the acceleration?
1. 1 answer
2. 358 views
abe left his house at 10:14 and goes north 14.0 kilometers to school then and south 70.6 kilometers to the candy store,arriving
1. 1 answer
2. 445 views
superman flies to a meteor traveling at 440km/hr.superman slows it down at a rate of -24.8m/s^2.how long before the man of steel
1. 1 answer
2. 477 views
jeff gordan traveled around a 1.5 mile track 300 times just bcause he felt like it.it took him 6.14 hours to complete the 300
1. 1 answer
2. 427 views
a bowler releases her bowling ball at 425.36 cm/s.it decelerates towards the pins at -4.8 cm/s^2.the length of a bowling alley
1. 1 answer
2. 475 views
two mice are racing to a hunk of cheese.mouse a was between mouse b and the cheese.mouse a started 8.68 meters from mouse b, but
1. 1 answer
2. 1,270 views
My son is 3yrs and 6months old he is facing problem in writting small alphabets would u plz help me ,how i teach him :)
1. 2 answers
2. 1,005 views
given the digits {1,1,2,5,5,5,6,7} how many even numbers less than 5 000 000 are there?(and plzzzzz tell me how u got it )
1. 1 answer
2. 267 views
given the digits {1,1,2,5,5,5,6,7} how many even numbers less than 5 000 000 are there?
1. 1 answer
2. 289 views
the game of the euchre uses just 9s,10s,jacks,queens,kings and aces from a standard deck of 52 cards. how many five-card euchre
1. 2 answers
2. 915 views
Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position
1. 7 answers
2. 1,055 views
what is the sum of 4xdollers and 4x cents?explain your answer in cents
1. 1 answer
2. 310 views
calculate the friction force of an object? if weight=19600,vi=30ms-1,vf=0ms-1 and S=100m.
1. 1 answer
2. 262 views
1) A car, initially traveling with a uniform velocity, accelerates at a rate of 1.0 m/s2 for a period of 12.0 seconds. If the
1. 2 answers
2. 704 views
If the point A(1,-2), B(2,3), C(-3,2), and D(-4,-3) are vertices parallelogram ABCD, then taking AB as the base , find the
1. 4 answers
2. 1,637 views
Suppose there are 10 coins laid out in front of you. All of the coins are fair (i.e. have an equal chance of heads or tails)
1. 4 answers
2. 663 views
A partly-full paint can has 0.40 gallons of paint left in it. (a) What is the volume of the paint, in cubic meters? (b) If all
1. 1 answer
2. 654 views
Differences between the external angle and n-1 sides regular polygon and n+2 side regular polygon is 6 degree then what is the
1. 1 answer
2. 426 views
A researcher finds that two continuous, random variables of interest, X and Y, have a jointprobability density function (pdf)
1. 2 answers
2. 780 views
You want to set up a games stall at the Winter Wonderland. You have a single pack of 52cards and decide to play card games with
1. 2 answers
2. 479 views
If the athlete lies down on the ground on his back,his weight is spread over an area of 0.75 meter square. How much pressure
1. 1 answer
2. 403 views
A car moves at a constant speed of 60 km/hr for 1 km and 40 km/hr for next 1 km. What is the average speed of the car ?
1. 1 answer
2. 345 views
explain why carrots look orange
1. 1 answer
2. 295 views
explain why carrots look orange
1. 1 answer
2. 306 views
explain why carrots look orange?
1. 1 answer
2. 322 views
a simple Model (model 1)of distance,d meters,fallen in time t seconds by free-fall skydiver is d(t)=4.9t^2a. sketch the model b.
1. 2 answers
2. 481 views
750km towards North West?
1. 1 answer
2. 285 views
A man begins to climb up a 12-ft ladder . The man has mass 80 kg, whilethe ladder has mass 10 kg. The wall against which the
1. 1 answer
2. 621 views
Two skaters, each of mass 70 kg, skate at speeds of 4 m/s in opposite directions alongparallel lines 1.5 m apart. As they are
1. 3 answers
2. 1,496 views
the diameter of scooter wheel is 4cm. how far will the scooter have travelled after 450 revolutions of the wheel?
1. 1 answer
2. 409 views
if the distance between two bodies is increased by 25% then % change in the gravitational force is
1. 2 answers
2. 520 views
the ratio of the sum to terms p and q terms of an a.p. is psquare:qsquare. prove that the common difference of the a.p. is twice
1. 2 answers
2. 693 views
I need helpA virus kills its host cell at the end of a. Conjugation b. The formation of a prophage c. Assembly of the capsid d.
1. 2 answers
2. 502 views
What is the nth term rule of the linear sequence below?27,25,23,21,19
1. 10 answers
2. 5,071 views
Romeo likes to add the digits that he sees on hisdigital clock. For example, if the clock shows 15:21, Romeo gets the sum
1. 3 answers
2. 277 views

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