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sam
Questions (2,083)
The film image thus became almost square during the early years of the talkies until the space occupied by the sound track on
0 answers
490 views
filament lamp:
cost-80p efficiency-0.2 expected life- 1000 hours compact fluorescent lamp (CFL): cost- £3.00 efficiency-0.8
1 answer
515 views
I have two that I can not figure out:
#1: calculate the MOLALITY of 10.00 g/L of the salt, if its molar mass is 100.0 g/mol and
0 answers
901 views
A fruit seller buys 100 bananas for Rs 40. Twenty bananas are spoiled and thrown away. At what rate should he sell the remaining
3 answers
569 views
Sara estimated 23 x 43 using 20 x 40.
Sam estimated 23 x 43 using 25 x 40. Will Sara's or Sam's method give an estimate closer to
1 answer
682 views
A golf practice range has 245 balls. The owner bought a carton of golf balls.How many golf balls does the owner have after
8 answers
4,184 views
Find the orthocentre of the vertices QRS. Q(2,6), R (-3,1) and S (6,2).
0 answers
423 views
The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the
1 answer
1,438 views
Perfluorotributylamine (PFTBA) is found in extremely low concentrations (0.18 parts per trillion) but it has a great impact on
0 answers
459 views
pftba is found in extremely low concentrations (0.18 parts per trillion) but it has a great impact on climate. if pftba
1 answer
475 views
It's just as exasperation when you discover the definition of "evocation" is "the act or fact of evoking"
If you rewrote this
3 answers
454 views
When you're told that there are no jobs. And it is time for some fast thinking.
What would be the correct thing to put in? 1)
2 answers
526 views
Consider an example in which both cars are insured by the same plan.
Is there supposed to be a comma after "example"?
3 answers
401 views
International efforts are being made to safeguard against the misuse of weather modification. An example of the potential to
2 answers
539 views
please po help me.
A chimney projects 6 feet above the roof. At a point 10 feet 8 inches down the roof from the base of the
1 answer
860 views
josh ran for 56 minutes and walked for 16 minutes. What is the ration of the number of minutes ran to the number of minutes
1 answer
369 views
a growing number of colleges are teaming up with banks to issue student id cards that double as debit cards. There were 51
0 answers
364 views
Suppose that a state university has to form a committee of 5 members from a list of 20 candidates out of whom 12 are teachers
5 answers
2,140 views
write each phrase to make it a plural, singular possessive ,or a plural possessive. the tail of the raccoon. more than one
3 answers
804 views
Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 13,838 bonds,
1 answer
677 views
At a local university, when scheduling classes, the probability that there are no evening classes available on a certain day is
1 answer
1,198 views
The Probability that a randomly selected commuter listens to audiobooks during their commute is 0.49. Suppose that a sample of
0 answers
773 views
At a car rental agency, 0.34 of the cars are returned on time. A sample of 13 car rentals is studied. What is the probability
0 answers
618 views
In a certain class 27% of the students are left-handed. suppose that a random sample of 53 students is selected. Find the mean
1 answer
938 views
if Sam have $60 to buy cars withand the cars are 4 for $5 how much how many cards can she get
1 answer
319 views
Bill can mow his mother's lawn in 45 minutes. His brother Jim can mow it in 65 minutes. How long will it
take them to do it
2 answers
731 views
mr. rosen needs to make 1 1/2 times as many pizza tonight as usual because he expects ta large crowd. if he usually makes 24
1 answer
385 views
If the length of the abdomen is 2.25 inches. The length of the thorax is 1.75 inches. The walking stick's abdomen is .5 inches
1 answer
2,392 views
A 15.5-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 76.7 N
1 answer
686 views
A 8.75-L container holds a mixture of two gases at 23 °C. The partial pressures of gas A and gas B, respectively, are 0.317 atm
1 answer
773 views
doing webwork when i came across this question. sure i had it right but apparently im not.
The weightless horizontal bar in the
1 answer
721 views
A mass m = 9.0 kg is attached to the lower end of a massless string of length L = 83.0 cm. The upper end of the string is held
1 answer
1,206 views
energy required for ionisation of 0.02 gram atom of magnesium is x Kj .the amount of energy required to ionise 1 atom of
4 answers
2,824 views
If 60% of a first order reaction was completed in 60 minutes, 50% of the same reaction would be completed in approximately
1 answer
550 views
CHEMICAL KINETICS
The rate of reaction 2N₂O5->4NO₂+O₂ can be written in three ways -d[N₂O5]/dt= k[N₂O5] d[NO₂]/dt=
1 answer
756 views
what are all the procedlural and substantive ways that a prosecutor and a defense attorney can resolve a case before it goes to
1 answer
561 views
Mr. Jones always gives True/False tests to his class. His tests always have 20 ques-
tions. The maximum class size is 35. He
1 answer
941 views
Mr. Jones always gives True/False tests to his class. His tests always have 20 ques-
tions. The maximum class size is 35. He
1 answer
980 views
In a police ballistics test, a 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. The bullet goes through
2 answers
3,359 views
a 4.0-kg block is moving at 5.0 m/s along a horizontal frictionless surface toward an ideal spring that is attached to a wall.
2 answers
3,244 views
Just War Theory asserts that military intervention
2 answers
487 views
Given the following information calculate the heat of formation of C2H4.
C2H4 + 3 O2 ¡æ 2 CO2 + 2 H2O ¥ÄH¡Æ = -414 kJ/mol C
1 answer
686 views
integral from 1 to x of (5/(t^3 +3))dt
1 answer
372 views
What were three tactics of assimilation used on aboriginals?
3 answers
488 views
A 2inch diameter pipe has been chosen to pass 65 GPM. Can this diameter be used for the suction line? If not , what line
0 answers
396 views
. An open tank holding 400 cubic foot of air at atmospheric pressure at 70 degrees F and heated to 160 degree F. What is the
0 answers
437 views
A 25HP electric motor turning a 1800 RPM will produce how many foot pounds of torque?
1 answer
430 views
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers c that
1 answer
603 views
A $300 mountain bike is discounted by 30% and then discounted an additional 10% for shoppers who arrive before 5am. If you go to
2 answers
1,348 views
ted takes out a student loan to pay for his college tuition this year. Find the interest on the loan if he borrowed $2,500 at an
3 answers
670 views
Ted takes out a student loan to pay for his college tuition this year. Find the interest on the loan if he borrowed $2,500 at an
1 answer
729 views
Solve using the concept of rank.
Is S={−16 −7 −21,2 1 3, 21 9 2} a linearly independent set of vectors in R3? So I know how
0 answers
501 views
Tim sells sneakers. He receives $9.75 an hour and 3% commission on sales. One week he works 24 hours and his sales total
4 answers
1,028 views
At 3:15 one afternoon, the temperature over the land reaches its highest value for the day — about 89°F. The temperature over
8 answers
2,896 views
In the population, the average IQ is μ = 100 with a standard deviation of σ = 15. A team of scientists wants to test a new
1 answer
788 views
what is 15 times 12
1 answer
446 views
Question Part
Points Submissions Used A hypodermic syringe contains a medicine with the density of water (figure below). The
1 answer
786 views
NEEDS HELP PLEASE!!
A 100kg shot putter is putting a shot 4kg. Just before he releases the shot, he is in the air (feet are off
0 answers
513 views
Scale factor of 0.5 inches = 1.5 feet
1 answer
818 views
Is the set S = {v1, v2, . . . , vk} linearly independent?
1 0 2 −2 0 1 0 0 1 0 −1 −1 2 0 0 0 −1 2 1 0
1 answer
421 views
1 0 2 −2 0
1 0 0 1 0 −1 −1 2 0 0 0 −1 2 1 0 Is the set S = {v1, v2, . . . , vk} linearly independent?
1 answer
443 views
What are 2 responsibilities of the federal courts?
1 answer
490 views
given the velocity of a particle traveling along the y-axis by v(t)=tsin(t^2)
1 answer
502 views
please help on this problem. -2x+4(3x-4)=84. cant get the answer. thank you
6 answers
469 views
HOW do I solve this equation? 6X -5(-X - 13)=131. WHAT IS THE RULE OF ORDER TO DO THIS? THANK YOU
4 answers
617 views
how do i do this equation ? -158=-2x+ 2(7x -7) . thank you
4 answers
425 views
An elastic cord of elastic constant k and length L is hung from point A having a massless block at the other end. A smooth ring
0 answers
501 views
m-n divided by 4. use m =5 and n = 8. please help. ty
4 answers
1,516 views
verify tan x/2=secx /secxcscx+cscx
1 answer
414 views
How do I simplify this expression -2x +11 +6x . Thank you for help
2 answers
410 views
Tony is on his way home in his car. He has driven
12 miles so far, which is three-fourths of the way home. What is the total
2 answers
693 views
does anyone has any links with primary sources of the ww1?
1 answer
432 views
A box in the shape of a rectangular prism has a dimension of 30 meters x 27 meters x 28 meters. What is the surface area of the
3 answers
1,208 views
Don’t you dare vote for universalized healthcare. (Points : 1)
Proposition Non-proposition
0 answers
489 views
For John Dewey, open-minded inquiry is: (Points : 1)
The virtue that prevents habit from making us unwilling to hear other ideas
1 answer
628 views
in a triangle find the value of x when 7x + 3x + 90 degrees = 180 degrees
2 answers
1,226 views
A student stands on a rotating disk holding 4-kg objects with each hand. hen his arms are extended horizontally, the object are
0 answers
612 views
A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance
0 answers
503 views
A 0.25-kg punk, Initially at rest on a frictionless horizontal surface, is struck by a 0.20kg punk that is initially moving
1 answer
511 views
Which of the following homogeneous systems have a nontrivial solution?
5x+ y + 5z =0 −2x + 2y− 4z = 0 4x− 3y + 6z = 0 can
0 answers
402 views
limit as x --> ininity
of (5-e^x)/5+ 3e^x
3 answers
326 views
Evaluate the limit using the appropriate Limit Law(s).
lim t → 2 of (t^44 − 9)/ 2t^2 − 3t + 7
1 answer
510 views
How might a news company’s political alignment alter its presentation of crime in America?
4 answers
411 views
If A is an n × n matrix, then
A = S + K, where S is symmetric and K is skew symmetric. Let A= [1 3 -2;4 2 2;5 1 2] Find the
0 answers
746 views
what is the ratio of the measurements 6/12=2.5/5 in simplest form
a.2:1 b.6:12 c.1:2 d.none of these
11 answers
434 views
there is to right traingles and we have to find the missing side
the first traingle has 4 on the bottom and 2 as its height the
3 answers
460 views
12/6 =5/2.5
a.2:1 b.6:12 c.1:2 d.none of these
9 answers
420 views
which of the following are true statements about the qualifications of state legislature?
a.senators must be at least 21 years
25 answers
1,959 views
in near eastern culture the winged genius often represented in art and artifacts was a blank god
a.destructive b.creative
38 answers
4,653 views
a light year is a unit of distance most comparable to the distance from earth to what?
nearest galaxy nearest star outer solar
1 answer
733 views
a statistics instructor collected data on the time it takes the students to complete a test. the test taking time is uniformly
0 answers
932 views
Is the matrix
6 0 0 5 a linear combination of the matrices 1 0 0 1 and 1 0 0 0 ? how do you figure this out?
1 answer
433 views
find the simple interest on naira 28 for 25 years at 1 percentage per annum.
1 answer
633 views
an annuity has an initial balance of $5000. annual withdrawals are made in the amount of $800 for 9 years, at which point the
0 answers
593 views
An Olympic pool has dimensions 50.0 m × 25.0 m × 2.68 m (length × width × depth). The density of the pool water is 1007
1 answer
844 views
joshua won $250000 in a draw to support the local hospital. he does not need the money for 3 months, so he decides to invest it
1 answer
540 views
What symbol did people use to define an angle before the angle symbol was invented ? Thank you
1 answer
475 views
How do I solve this? -5(4x+1) =15 Thank you
2 answers
310 views
Tony jogs 4 2/5 miles from the gym to his home daily. If he takes a water break after 2 1/4 miles,how much further does he have
1 answer
421 views
Tony jogs 4 2/5 miles from the gym to his home daily. If he takes a water break after 2 1/4 miles, how much father died he have
1 answer
432 views
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