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john
Questions (2,090)
A block of mass m = 5.4 kg is pulled up a θ = 24° incline as in the figure with a force of magnitude F = 35 N.
(a) Find the
1 answer
2,504 views
. In the following reaction: Fe2O3 + 3C → 2Fe + 3CO; how many grams of C are needed to react with 16.5 g Fe2O3?
1 answer
1,726 views
two equal vectors of magnitude 2A are inclime perpendicular to each other find the resultant and direction of vector.
2 answers
526 views
pls help
which values will be part of the sequence 3,4,5,6,7,5... 9 11.5 15 19.5 my answers 9 11.5 15
3 answers
1,127 views
Solve for X
(3x+2)^(1/3)=-2 I multiplied (3x+2)^(1/3) by the power of to cancel the 1/3 I put -2 to the power of 3 as well
1 answer
378 views
Solve for X
(8)^0(8)^x-4=512^X 8^0=1 512=8^64 8^x-4=(8^64)^x x-4=64x -4=63x -(63/4)=x Is this correct
0 answers
414 views
I need help to find out the area of base, how to find it and how to find the total volume for a cone on a cylinder please help
1 answer
427 views
I need help with composite solids involving pythagereom theorem. like how to solve it, what to do first, HOW TO FIND THE AREA OF
1 answer
504 views
An Air plane flys from san fransico to new-york about 4800km at speed of 300m/s how much time does trip take as measured by
1 answer
489 views
(1)given that -2x^2+6x+7=0, if alfa and B are the roots of the equation, form new equation whose roots are(a)alfa/B and B/alfa
3 answers
514 views
what is the most easiest way( or can you teach me) for Pythagorean theorem using composite solids for my test tomorrow?
2 answers
451 views
the Temperatureat night usually decreases at an average of 40 degree per hour. write an integer to represent the temperature
1 answer
452 views
In a certain right triangle, the two sides that are perpendicular to each other are 7.00 m and 8.30 m long. What is the tangent
5 answers
4,013 views
In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is
2 answers
467 views
A right triangle has a hypotenuse of length 2.00 m, and one of its angles is 24.0°. What are the lengths of the following
3 answers
572 views
the dress store is having a sale where all merchandise is 1/4 off. a woman buys $42 of merchandise at the sales price. what
1 answer
1,090 views
2.08*10^-8=(9*10^9)(1.6*10^-19)^2/d^2
please solve for D
1 answer
320 views
this is pathegreom theorem
22. Points A, B, and C are corners of a triangular field where mABC is 90°, AB is 40 meters and BC
2 answers
470 views
John walks along the edge of the field from point A to point C. If P is
the point on AC when John is nearest to point B, find the
1 answer
434 views
the region bounded by the graph f(x)=x(2-x) and the x axis is revolved about the y axis. Find the volume of the solid. I did the
3 answers
1,612 views
Two springs are set up on a table. The longer spring has a spring constant of 221 N/m and an initial length of 44.0cm. The
1 answer
464 views
A meat department manager discovrs that she can sell m(x) killograms of ground beef in a week, where m(x) = 14 700 - 3040x, if
1 answer
680 views
Draw the graph of y = 6x
by filling in the table below. X| y = 6x ---------- -2| -1| 0| 1| 2| Domain = ? Range = ?
1 answer
450 views
Use the formula pH = −log[H^+]
9.. The hydrogen ion concentration of a substance is 4.3*10^-6 × moles per liter.Find the pH.
1 answer
1,364 views
Richey Loaner inherited $2105.22 from a not-so-rich uncle. If Richie deposits his money into an account that pays 3% compounded
2 answers
561 views
is delta S positive for the heating of water from 25 to 75 degrees Celsius?
1 answer
453 views
0.6 of the children in a club are girls, if there are 27 girls, how many children are there
1 answer
684 views
Help me solve it. Step by step please
The value of kp at 20°c for the reaction 2NO(g) +Cl2(g) 2NOCl(g) is 1.9x10^3 atm-1
1 answer
535 views
A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and
1 answer
747 views
A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and
1 answer
695 views
A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and
1 answer
931 views
The average resting heart rate of a population is 89 beats per minute, with a standard deviation of 13 bpm. Find the z-scores
3 answers
1,186 views
Alicia Martin's savings account has a principal of $1,200. It earns 6% interest compounded quarterly for two quarters
4 answers
2,187 views
Year Number of Graduates
(in millions) 2009 15.4 2010 15.9 2011 16.3 2012 16 2013 15.7 a. Code the years using t = 1 for 2009 and
0 answers
496 views
9.The following table gives the number of graduates in health professions in the U.S. for various
years. Year Number of Graduates
0 answers
539 views
The Yellow Pencil Company sells the best pencils ever made. If the cost of producing
x hundred pencils is given by
1 answer
709 views
During the first part of a canoe trip, May paddled 20 km up steam and 20 km back in
a total time of 5 hrs. The speed of the river
1 answer
464 views
The Yellow Pencil Company sells the best pencils ever made. If the cost of producing
x hundred pencils is given by C x x x ( )
0 answers
629 views
The distance traveled by an object moving in a straight line is given by s = t2 − 2t,
where s is in feet and t is the time in
1 answer
880 views
write 2.18 as a mixed number in simplest form
4 answers
708 views
A boy complains of stomach pain to his mother. Unable to resolve the issue herself, she takes the boy to the doctor. Which of
2 answers
998 views
Andrew is 5 years older than Tim. Tim is aged 19. Write an equation for x, where x is the age of Andrew. Solve the equation.
1 answer
708 views
Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store manager assures you that 16
2 answers
11,512 views
In a family with 4 children what is the probability of having 1 boy and then 3 girls, in that order? (Exclude multiple births
2 answers
21,057 views
A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 14 characters long, and that
2 answers
2,069 views
A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 14 characters long, and that
7 answers
17,351 views
for a project, you need the diagonal fold of a square piece of origami paper to be 10 cm long. to what dimensions do you need to
2 answers
1,096 views
a black 8" tile was cut to surround a white 8" tile. what is the perimeter of the design?
2 answers
846 views
what is the height of an equilateral triangle with an edge of one meter?
1 answer
1,115 views
An Olympic athlete is standing at the edge of one side of a 3.7km wide river and wants to reach the point 7.4km downstream just
1 answer
598 views
To a 100.0 mL solution containing 0.0100 M Ba(NO3)2 and 0.0100 M Pb(NO3)2 was added 101.0 mL of 0.0100 M H2SO4 to provide a
1 answer
679 views
a block of mass M = 9.9 kg rests on a bracket of mass m = 5.5 kg. the bracket sits on a frictionless surface. the coefficients
0 answers
638 views
Ana exerts a force of 20 N on a volleyball that has a mass of 0.15 kg. What is the force that the volleyball exerts on Ana?
0 answers
1,126 views
what is 10 5/18 - 8 5/6
A. 2 5/9 B. 2 13/18 C.1 4/9 d. 1 11/18 I think It is B?
7 answers
1,316 views
When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees
1 answer
825 views
Fence post are placed 3m apart from each other. How many posts will be placed over a distance of 45m?
3 answers
728 views
a) The mean lifetime of a sample of 100 light tubes produced by a company is found to be 1570 hours with standard deviation of
1 answer
1,569 views
Find the values of the trigonometric function cot -8/17
sin: sec: tan: cot: I know you use a Pythagorean Identity, sin^2t +
1 answer
1,010 views
A force of 6 pounds is required to hold a spring stretched 0.2 feet beyond its natural length. How much work (in foot-pounds) is
0 answers
961 views
find the sum of the sequence 41+42+43+44+117
1 answer
365 views
Which of the following statements best explains the relationship between the mitochondria and the plasma membrane?
A. The
0 answers
1,579 views
john has 24 baseball cards. chard has 13 more cards than john. draw a comparison problem to illustrate how to solve the problem,
1 answer
516 views
two angles form a linear pair the measure of one angle is 24 more than the measure of the the other anglr
2 answers
1,062 views
which of the following effects of the french and indian war most contributed to smuggling in the colonies?
increased taxes from
7 answers
1,107 views
which expression is equivalent to 4*4*4*4*4*4*4*4
13 answers
4,610 views
what happened to Georgia after it became a royal colony? I am having to do a essay so I would like to know what happened.
7 answers
1,327 views
Both carbon dioxide and water are pure substances. How are they similar to each other?
A. both substances have a set ratio of
49 answers
5,391 views
A block of wood experiences a normal force of 32 N from a rough,flat surface.there is a rope tied to the block.the rope is
1 answer
719 views
Compare 3+2 times 5 to (3+2) times 5. i put order of operations and got 5 times 5 for the first one, and for the second. I need
2 answers
545 views
A water tank will be drained at a constant rate of 42.4 liters per hour starting at 9:00 A.M. After one hour, the change in the
2 answers
1,116 views
which of the following immigrant group came to Georgia unwillingly.
A.Quakers B.Scots-Irish C.slaves D.Puritans I think C
2 answers
658 views
A 0.19 kg hockey puck has a velocity of 2.1 m/s toward the east (the +x direction) as it slides over the frictionless surface of
1 answer
1,945 views
what is the half-life of the nuclide
1 answer
474 views
solve the system by substitution
x+y=9000 .06x+.15y=1215 .06x+.15(x-9000)=1215 .06x+.15x-1350=1215 .21x-1350=1215 x-1350+1214.79
1 answer
665 views
Sara is six years older than Ben. Five years ago, Sara was one and a half times ad old ad Ben. What is Sara's current age?
How
1 answer
589 views
Convert the resultant vector into its x and y components.
225 N at 12 degrees A.(222.3 N, 37.4 N) B(201.1 N, 10.8 N) C.(45.8 N,
1 answer
435 views
When a 0.106 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous
0 answers
472 views
what is the following's states at atmospheric temperature?
1. diamond 2. mercury 3. oxygen 4. clay 5 cooking oil 6. neon
4 answers
438 views
Lauren wants to purchase custom-made bumper stickers to advertise her business. Two websites offer different deals:
Website A:
1 answer
585 views
20P0=
1 answer
276 views
suppose that 2 cards are randomly selected from a standard 52 card deck.
A) whats the probability the first card is a club and
1 answer
1,636 views
Among 26 to 31 year olds 35% say they have driven a car while under the influence of peer pressure. suppose 2 26 to 31 year olds
0 answers
689 views
for a parallel structure of identical components, the system can succeed if at least 1 of the components succeeds. Assume that
1 answer
1,510 views
The probability that a randomly selected 2 year old feral cat will live to be 3 years old is 0.73877.
A) what is the probability
2 answers
1,139 views
A baseball player hit 59 home runs in a season. Of the 59 home runs 18 went to right field, 16 went to right center, 8 went to
1 answer
891 views
According to a certain country's department of education 39.6% of 3-year olds are enrolled in day care. What is the probability
2 answers
3,668 views
Suppose you toss a coin 100 times and get 82 heads and 18 tails. Based on these results, what is the probability the next flip
3 answers
3,282 views
a colony of bacteria living on a petri dish under optimal conditions doubles in size every ten minutes. At noon on a certain
1 answer
2,299 views
the probability that a randomly selected 4 year old male feral cat will live to be 5 years old is 0.87886. (a)what is the
1 answer
1,680 views
a fraction is such that the numerator is seven less than the square of the denominator. if six is added to the numerator and on
2 answers
606 views
Can someone explain to me what an intermediate product is and give me and example?
2 answers
401 views
The perimeter is 38.8 millimeters and the length is 2.4 times the width. (Round your answers to one decimal place.
3 answers
539 views
so i need to calculate the moment of inertia of the pulley and the angular
acceleration of the pulley. mass A = 9kg Mass B = 15kg
0 answers
593 views
so i need to calculate the moment of inertia of the pulley and the angular
acceleration of the pulley. mass A = 9kg Mass B = 15kg
0 answers
851 views
Investigation to determine whether expired air contains carbon dioxide
how should state the method,step by step for the
7 answers
765 views
A picture hangs on the wall suspended by two strings, as shown in the
figure, with θ = 65°. The tension in string 1 is 1.3 N.
1 answer
1,019 views
A baseball player slides into third base with an initial speed of 7.75 m/s. If the coefficient of kinetic friction between the
1 answer
826 views
United Nations, 310, 314, 362
charter of, 311 Declaration of, 309 United States, 225, 238, 275, 289 in Big Four, 322, 325-7 in
2 answers
675 views
1. can be neither seen nor touched
2. has a receiver named 3. has no receiver named 4. expresses highest or lowest degree of
1 answer
1,058 views
A uniform electric field of magnitude 260 V/m is directed in the positive x direction. A +14.0 µC charge moves from the origin
1 answer
764 views
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