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ahmed
Questions (50)
at the age of ten,my family took a trip to washington,DC
1 answer
106 views
are people still making money from seofamous com ?
0 answers
90 views
Suppose that someone offers you a bet concerning the tossing of a pair of fair dice. If both die turn up the same number, you
3 answers
620 views
Suppose that someone offers you a bet concerning the tossing of a pair of fair dice. If both die turn up the same number, you
1 answer
231 views
A sum of money is divided between three people in the ratio 1 : 2 : 0.5.
The smallest share is $48. What is the total sum of
1 answer
504 views
Mr. Jordan’s class is having a pizza party with the $100 they earned in a competition. A cheese pizza costs $10, and a
1 answer
527 views
Exercise 6: Suppose you drop a 2 kg book to a friend who stands on the ground at distance D = 10 m below. If your friend's
0 answers
642 views
iquid Freon (CCl2F2) is used as a refrigerant. It is circulated inside the cooling coils of older refrigerators or freezers. As
1 answer
494 views
tan1/2=cscø-cotø
2 answers
666 views
A random variable has aprobability function p(x)=kx; x=1,2,3,4,5.find the value of k, p(x>=3),compute mean and variance of x.
1 answer
1,055 views
I need to compare a coastal, mountainous or desert area from Australia to a counterpart in a developing country then discuss
2 answers
646 views
a 5 gram rubber ball is released from a height of 7 meter above flat surface on the moon. gravitational acceleration on the moon
1 answer
1,290 views
how to draw bicyclo 3.1.1 heptane ?
I need steps to draw any of this compounds in exam ?
1 answer
513 views
which of the following has highest binding energy (nuclear chemistry)
Fe-56 , O-16 , H-3 , U-235 and explain why
1 answer
552 views
why iron 56 has highest binding energy than oxygen 16 , although oxygen 16 more stable than iron 56 ???
2 answers
410 views
the half-life of tritium is 12.26 y
what would be the rate of decay of tritium atoms per second in 1.00 L of hydrogen gas at STP
1 answer
526 views
the half-life of tritium is 12.26 y
what would be the rate of decay of tritium atoms per second in 1.00 L of hydrogen gas at STP
0 answers
654 views
What would be the mass ratio of Pb-208/Th-232 in a meteorite that is approximately 4.5 × 10^9 years old? The half-life of
1 answer
483 views
isotope A require 12h for its decay rate to fall to 1/64 of its intial value . isotope B has half-life = 1.5 half life of A
how
1 answer
576 views
ii) A box contains 10 white, 7 black and 3 green balls. 2 balls are drawn at random. Find out the probability that: a) both are
1 answer
534 views
A soccer ball is kicked from the ground with initial speed 17 m/s. at angle(a 20 Find a) The horizontal distance that the ball
2 answers
731 views
On a plot of position x versus time t for an object’s motion, what corresponds to the object’s average velocity between
0 answers
927 views
a motorboat accelerates uniformly from a velocity of 6.5m/s the west to velocity of 1.5m/s to the west if its acceleration was
1 answer
685 views
A block of mass m slides down a frictionless incline as
The block is released from height h above the bottom of the circular
1 answer
763 views
She adds the
to number together and divides the result by 2her answer is 44 one of EMilys numbers is 12what is Emilys other
1 answer
424 views
A parallel plate capacitor has a capacitance of 7.0mF when filled with a dielectric. The area of each plate is 1.5m2 and the
2 answers
1,101 views
If i earned $20 in January,$5 in February and $20 in March!
What is the mean (average) amount of money earned for these 3 months?
2 answers
476 views
An asteroid in an elliptical orbit about the sun travels at 3.9 106 m/s at perihelion (the point of closest approach) at a
0 answers
993 views
Which was not one of the causes of the Great Depression?
(Points : 5) excessive income taxes speculative stock purchases risky
2 answers
996 views
The graph of the range of scores for the games is shown below.
The inequality for the graph can be expressed as 32 ≤ r ≤ m
2 answers
466 views
The javelin event is held on the field inside the track. This field is a rectangle measuring 100 meters by 64 meters, with a
1 answer
880 views
how long will it take for $ 500 to amount $700 of interested at $8% compounded quarterly?
1 answer
462 views
A boat’s speed in still water is vBW = 1.85 m/s. If the boat
is to travel directly across a river whose current has speed vWS =
2 answers
2,477 views
The flywheel of a prototype car engine is under test. The angular position θ of the flywheel is given by θ = (3.0rad/s3)t3 and
3 answers
1,761 views
A ship leaves the island of Guam and sails a distance 295km at an angle 35.0 north of west.
a:In which direction must it now head
1 answer
1,643 views
A ship leaves the island of Guam and sails a distance 295 at an angle 35.0 north of west.
How far must it sail so that its
3 answers
1,035 views
Two vectors and have magnitude A = 2.90 and B= 3.00. Their vector product is A X B= -4.91 + 2.08. What is the angle between A
2 answers
568 views
You are camping with two friends, Joe and Karl. Since all three of you like your privacy, you don't pitch your tents close
4 answers
3,834 views
Weinberger and Spotts compare the use of humor in television ads in the United States and the United Kingdom. Suppose that
1 answer
1,419 views
please,help me find mistake in the following sentence
she is very hardworking so not very imaginative
1 answer
511 views
Ways to be safe in class
0 answers
385 views
the solution contain 6 grams of caustic soda dissolved per dm.find the percentage impurity
1 answer
508 views
what is the another name for vitamin c
1 answer
473 views
a train is moving at 40km/hr and rain is falling at 10km/hr find velocity of rain relative to train
1 answer
522 views
A truck moving at 19.8 m/s [S] accelerates at 3.50 m/s2 [N] for 3.00 s. What is the truck's final velocity?
1 answer
506 views
What natural forces have helped shape the physical features of North America?
2 answers
722 views
2x+19=99
1 answer
410 views
what are inverse operations,ratios and proportions
what is the formula to find the area of a cone, rectangular prism ,triangular
0 answers
541 views
Can anybody tell me what happens to iron when heated and iron's main properties and uses !?
Whe iron is heated to 1535 C, it
0 answers
614 views
Oxygen has #16 so it has 16 electrons.
By subtracting is the same as the atomic number.
0 answers
972 views