sana
This page lists questions and answers that were posted by visitors named sana.
Questions
The following questions were asked by visitors named sana.
2a+2ab+2b I need a lot of help in this one. it says find two consecutive positive integers such that the sum of their square is 85. how would i do this one i have no clue i know what are positive integers.but i don't know how to figure this out. Let n be...
18 years ago
a telephone engineer feeds a sound signal into the mouthpiece of a telephone.As part of the tests he is making he incresesthe frequency of the sound.HOW WILL THIS EFFECT TYE ELECTICAL SIGNAL PASSING ALONG THE TELEPHONE WIRE?
17 years ago
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?
17 years ago
i need help findng the perfect theme and moral of the novel "we are all welcome here" by Elizabeth Berg As soon as possible Please Thankyou very much!!!!! :) :) :)
15 years ago
i need help picking the right theme A)oppression B)discrimination C)obstacles D)injustice plz asap thankyou
15 years ago
what is the historical context of the book "we are all welome hear"Which takes place in 1964 ?
15 years ago
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 elizabeth berg: Historically the work is significant because it gives us an insight of the horrors of the civil war, which asserted...
15 years ago
Dear teachers ... please read this paragraph .i know it if full of error but plz help me. I particularly liked Erasmus view that people should not care if other humans hiss at them as long as they applaud themselves. I love the idea that it is a good to p...
14 years ago
Please correct this paragraph. please.. there is no flow in the second paragraph .plz help It is a very interesting and funny story. The writer of the story Francois Rabelais tells us about the adventure of the two giants, Gargantua and Pantagruel in sixt...
14 years ago
Q3. A skeet (a small disc) of massM is fired at an angle to the horizontal with a speed v0. When it reaches the maximum height it is hit from below by a pellet of mass m (m < M) traveling vertically upward at a speed of v. The pellet is embedded in the...
14 years ago
Q2. A block of massmrests on the left edge of a block of larger massM. The coefficient of kinetic friction between the two blocks is , and the surface on which the larger block rests is frictionless. A constant horizontal force of magnitude F is applied...
14 years ago
Two planets, X and Y , travel counterclockwise in circular orbits about a star, as shown in figure below. The radii of their orbits are in the ratio 3 : 1. At some time, they are aligned as in the figure, making a straight line with the star. During the n...
14 years ago
A wad of sticky clay of massmand velocity vi is fired at a solid cylinder of massM and radius R. The cylinder is initially at rest and is mounted on a fixed horizontal axle that runs through the center of mass. The line of motion of the projectile is perp...
14 years ago
A string is wound around a uniform disk of radius R and mass M. The disk is released from rest when the string is vertical and its top end is tied to a fixed bar. (a) Draw a free body diagram indicating all the forces acting on the disk. (b) Calculate the...
14 years ago
) Which of the following should dissolve the smallest amount of silver sulfide per liter, assuming no complex formation? A) 0.1 M HNO3 B) 0.1 M Na2S C) 0.1 M AgNO3 D) 0.10 M NaNO3 E) pure water
14 years ago
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? (1yd=0.9144m)
14 years ago
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 at 10:57.what are his displacement,total distance,average velocity?
14 years ago
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 stops the meteor?how far did he travel with the meteor?
14 years ago
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 laps.what was his total distance traveled?(1 mile=1.6093km)
14 years ago
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 is 60ft.what velocity did the ball hit the pins and how long did it take to get there?
14 years ago
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 "x"meters away from the cheese.both mice traveled at the same velocity,which were 1.43 m/s and started at the same time.it too...
14 years ago
My son is 3yrs and 6months old he is facing problem in writting small alphabets would u plz help me ,how i teach him :)
13 years ago
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 )
13 years ago
given the digits {1,1,2,5,5,5,6,7} how many even numbers less than 5 000 000 are there?
13 years ago
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 hands have all black cards. is the right answer 495 ways which i got by doing 12C5 x 40C0 = 495 ways
13 years ago
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 given by (1.8 1011 m, 3.1 1011 m) with a velocity given by (-8.4 103 m/s, -6.3 103 m/s). What will be the magnitude of the asteroi...
13 years ago
what is the sum of 4xdollers and 4x cents?explain your answer in cents
13 years ago
calculate the friction force of an object? if weight=19600,vi=30ms-1,vf=0ms-1 and S=100m.
12 years ago
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 car traveled 190.0 m during this 12.0 second period, what was the velocity of the car when it started to accelerate?
12 years ago
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 height of this parallelogram
12 years ago
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) except one, which flips to heads every time. You draw one coin at random and flip it 5 times. If each of the 5 flips results in he...
12 years ago
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 the remaining paint is used to coat a wall evenly (wall area = 11 m2), how thick is the layer of wet paint? Give your answer in...
11 years ago
Differences between the external angle and n-1 sides regular polygon and n+2 side regular polygon is 6 degree then what is the each external angle
11 years ago
A researcher finds that two continuous, random variables of interest, X and Y, have a joint probability density function (pdf) given by: f(x,y)={cxy 0<=x<=1,0<=y<=1,x+y=>1, .........0 otherwise where c is a constant. (i) Find the value of c so that f(x,y)...
10 years ago
You want to set up a games stall at the Winter Wonderland. You have a single pack of 52 cards and decide to play card games with your customers. The game is designed as follows. A customer draws 4 cards at random. For every “Ace” that the customer draws,...
10 years ago
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 does he exert on the ground in this position?
10 years ago
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 ?
10 years ago
explain why carrots look orange
10 years ago
explain why carrots look orange
10 years ago
explain why carrots look orange?
10 years ago
a simple Model (model 1)of distance,d meters,fallen in time t seconds by free-fall skydiver is d(t)=4.9t^2 a. sketch the model b. a different model (model 2) for the distance travelled by a skydiver is d(t)=4.9t^2-0.1t^2.sketch a graph of this function
10 years ago
750km towards North West?
10 years ago
A man begins to climb up a 12-ft ladder . The man has mass 80 kg, while the ladder has mass 10 kg. The wall against which the ladder rests is very smooth, which means that the tangential (vertical) component of force at the contact between ladder and wall...
9 years ago
Two skaters, each of mass 70 kg, skate at speeds of 4 m/s in opposite directions along parallel lines 1.5 m apart. As they are about to pass one another they join hands and go into circular paths about their common center of mass. A third skater is skatin...
9 years ago
the diameter of scooter wheel is 4cm. how far will the scooter have travelled after 450 revolutions of the wheel?
9 years ago
if the distance between two bodies is increased by 25% then % change in the gravitational force is
9 years ago
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 the first term
8 years ago
I need help A virus kills its host cell at the end of a. Conjugation b. The formation of a prophage c. Assembly of the capsid d. A lytic cycle
6 years ago
What is the nth term rule of the linear sequence below? 27,25,23,21,19
6 years ago
Romeo likes to add the digits that he sees on his digital clock. For example, if the clock shows 15:21, Romeo gets the sum 1+5+2+1 = 9. What is the biggest sum he can get from his 24-hr clock?
4 years ago
Answers
The following answers were posted by visitors named sana.
hmmmmm!!!!!i hate studys cause the book makes a child's brain damage
14 years ago
dimond
14 years ago
A D A B A C B C A D C B D A B C D C B C D A A C A
12 years ago
These are all correct answer I just passed this exams got 100 marks its guaranteed answers all 100 percent coorect .
12 years ago
here are the right answers B D C A B D C C B C A C D B D D C B A C D B A A B
12 years ago
100/9
12 years ago
Comparing the pairs of elements listed below, choose the pair in which both atoms have nuclei with the same number of neutrons. 2311Na and 2412Mg 73Li and 94 Be 3216S and 5425Mn 147N and 168O
11 years ago
It can lead to the pressure of looking cool and u can get addicted to smoking ,drugs etc. Also, you can have a feeling of wearing expensive clothes, accessories to impress which is stressful and not necessary
10 years ago
14.32-3.23 = 11.09 11.09 divided by 3.23 = 3.4 multiply by 100 = 350 %
9 years ago
361
8 years ago
6/200=3/100
8 years ago
distributive
8 years ago
30
8 years ago
4) 1 Mm/1nm
6 years ago
I think its d but I am not sure
6 years ago