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James
Questions (1,502)
How do you find the coordinates of the stationary points to this implicit differentiation equation?
x^2y = y^2 + 2x 2xy + x^2yy'
1 answer
1,023 views
x^2(y) = y^2 + 2x
What is dy/dx and the coordinates of the stationary points
1 answer
391 views
The equation of a circle is given by D:
x^2 + y^2 - 2x - 4y - 20 = 0 Use implicit differentiation to find the equation of the
1 answer
457 views
The planning committee for the upcoming school play “Miss-terious” at LMSA asked the mathematics classes to give
them some
1 answer
464 views
if f be a function such that d/dx[x^2+1)f(x)]=2xf(x)+3x^4+3x^2
what is f(x)?
0 answers
289 views
How many solutions are there to the equation |x^2-6x|=9?
3 answers
2,839 views
"A man of height 2.2 meters walk away from a 5-meter lamppost at a speed of 1.2 m/s. Find the rate at which his shadow is
1 answer
783 views
Two speakers, one directly behind the other, are each generating a 264-Hz sound wave. What is the smallest separation distance
1 answer
865 views
A solution is prepared by adding 1.50 mol glucose to 3.50 mol water. What is the vapor pressure of the solution at 25 oC given
1 answer
2,401 views
The question is "Find parametric equations for the line with the given properties:
Slope -2, passing through (-10, -20)." I don't
1 answer
1,406 views
How much 12% acid must be added to 3 gallons of pure water to get a mixture that is 7% acid.
1 answer
1,051 views
Solve using elimination and express answer as ordered pair:
2x + 3y = 7 x + 5y = 7
2 answers
482 views
Two resistors 3 Ω and 6 Ω are connected in parallel across a 6 V battery. What is the current flow through the 3 Ω resistor?
6
2 answers
1,409 views
A golfer rides in a golf cart at an average speed of 3.93 m/s for 43.3 s. She then gets out of the cart and starts walking at an
1 answer
497 views
A box is sliding up an incline that makes an angle of 21.8° with respect to the horizontal. The coefficient of kinetic friction
1 answer
794 views
Your cellphone plan costs $42.76 per month plus $0.14 for each text message you send or receive. You have at most $60 to spend
7 answers
609 views
A 56.5kg, 2.4m uniform ladder leans against a frictionless wall. A 95.5kg person is standing up 0.8m from the bottom of the
1 answer
2,428 views
Solve for X:
(x-6)log4=(3x)log2
1 answer
555 views
Solve:
4^(x-6)=2^(3x) show all workings.
1 answer
404 views
Solve:
3^(2x+1)=12 Show your workings:
2 answers
391 views
Find the 7th term of geometric progression if the second term is 75, the 5th term,3/5.
1 answer
1,242 views
Solve:
3^x=7 3^2x+1=12 4^x-6=2^3x
1 answer
378 views
A projectile is fired from a height of h meters at a speed of 55m/s and at an angle of 10 degrees above the horizontal. The
3 answers
711 views
Need help with my final project.
Create and test a java program that will simulate customers waiting in line in a bank teller
0 answers
497 views
Leonard ran 4 miles more than Sheldon ran. The sum of their distances is 26 miles. How far did Sheldon run? The domain
a. Define
1 answer
621 views
Can you get an extremely high gradient of a straight line for instance:
m = 14375 I used the formula (y2-y1)/(x2-x1) or have I
1 answer
470 views
Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution,
1 answer
358 views
Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution,
1 answer
457 views
If log 3=a, log 5=b and log 7=c, express log_{15} 7 in terms of a,b and c.
1 answer
1,244 views
The circular blade on a radial arm saw is turning at 293 rad/s at the instant the motor is turned off. In 17.9 s, the speed of
0 answers
561 views
In a certain gear, a bicycle tire with a diameter of 27 inches makes 3 complete revolution of the pedal.If a cyclist is pedaling
2 answers
780 views
During a solar eclipse, the moon (of
mass 7.36 × 1022 kg), Earth (of mass 5.98 × 1024 kg), and Sun (of mass 1.99 × 1030 kg)
2 answers
3,525 views
A 5.9 kg bucket of water is raised from a well
by a rope. The acceleration of gravity is 9.81 m/s/s If the upward acceleration of
1 answer
905 views
This is the second part of a two part question for an online class. It gave me the degree and the zeros and I had to give the
2 answers
826 views
Find the magnitude and direction angle of the vector v.
v = 4(cos 125°i + sin 125°j) ||v|| = θ =
0 answers
568 views
How many grams of drug X are in 10 mL of a 1:200 solution of X?
1 answer
551 views
16-4c=20
1 answer
422 views
A model airplane has a mass of 0.95 kg and moves at a constant speed on a circle that is parallel to the ground. Assume that
0 answers
675 views
Identify the correct sentence.
A. A giant spider with long legs are crawling on the wall in the living room. B. A giant spider
3 answers
5,563 views
Identify the incorrect sentence.
A. There is a good variety of mugs in the cabinet. B. There are a good variety of mugs in the
13 answers
5,777 views
-4(a+3)-a
1 answer
268 views
a person purchased a $142,819 home 10 years ago by paying 15% down and signing a 30-year mortgage at 10.5% compounded monthly.
1 answer
659 views
Calculate Delta H for the reaction CH4(g)+NH3(g)-->HCN(g)+3H2(g) given,
N2(g)+3H2(g)->2NH3(g) DeltaH=-91.8kj C(s)+2H2(g)->CH3(g)
1 answer
5,133 views
You find 3 trees where each tree gives a
different coloured fruit: red, pink or orange. You perform crosses between all three
0 answers
596 views
A fireman d = 33.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of θi =
2 answers
3,773 views
You toss a tennis ball straight upward. At the moment it leaves your hand it is at a height of 1.5 m above the ground, and it is
2 answers
4,846 views
The following data were collected for determining the concentration of suspended solids in a water sample. (D= 1.01 g/mL).
1 answer
1,556 views
The following state were collected for determining the concentration of suspended solids in a water sample. (D= 1.01 g/mL).
2 answers
933 views
What is the circumference of the largest circle you could cut from a 30 cm by 20 cm sheet of paper? What area of paper would you
1 answer
779 views
A 25.0 mL aliquot of a well-shaken and filtered sample of river is pipetted into an evaporating dish. The sample was heated to
2 answers
4,525 views
The following state were collected for determining the concentration of suspended solids in a water sample. (D= 1.01 g/mL).
0 answers
842 views
Translate the following sentence into math symbols. Then solve the problem.
y more than 4 is -36 My answer: 4 + y = =36 y = -40?
4 answers
4,698 views
A nutritional formula calls for 500 g of dextrose in a total volume of 2000 ml. how many milliliters of a 70% w/v dextrose
2 answers
1,782 views
In the reaction, PCl3 + Cl2 ------> PCl5 the concentration of the reactants at equilibrium were each determined to be 7.2 mol/L,
1 answer
585 views
a 60-kg student travelling in a 1000 kg car with a constant velocity has a kinetic energy of 1.2 *10^4 J. What is the
1 answer
1,273 views
The height of a cylindrical container is 15 cm and the inside diameter of the container is 10 cm.
a) what is the volume? b) How
1 answer
650 views
Find all solutions of the equation in the interval [0,2pi). 2sin theta+1=0.
Write answer in radians in terms of pi.
1 answer
3,762 views
all of the following are coordinates on the same straight line except:
A) (0,2) B) (3,11) C) (5,15) D) (7,23) E) (x,3x+2)
3 answers
608 views
A certain bacterium swims with a constant speed of 4.61 µm/s. How long will it take to swim across a petri dish that has a
1 answer
1,368 views
Rewrite each expression with positive exponents and simplify.
X^2•x^n/x^3•x^n What does this question mean? Do I just cancel
1 answer
778 views
Use absolute value notation. The distance between x and -10 is at least 6.
|x-(-10)|>or=6 Is that notation correct?
1 answer
3,176 views
please help, step by step having difficulty here as well.
Find the term containing x5 in the expansion of (x + 2y)^10
1 answer
395 views
Use Pascal's triangle to expand the expression.
(x − y)5 so I tried to work this out: (x-y)^5 = [(x-y)(x-y)][(x-y)(x-y)](x-y)
1 answer
798 views
What lesson or meaning do you think the story "The Mark of the Beast" by Rudyard Kipling, held for the British audience of the
1 answer
639 views
So on my study guide for a final I have this:
In Gideon v. Wainwright, d___ _______ rights were the main issue in this Supreme
1 answer
607 views
yesterday ghana lotto winnig numbers was :07,67,76,71,69.please what are the numbers to win today.
4 answers
917 views
A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of
5 answers
1,173 views
A box slides along a rough floor with initial kinetic energy of 7 J. A person pushes on the box, in the same direction as its
1 answer
571 views
Convert the polar equation to rectangular form:
r = -2cosø - 2sinø
1 answer
671 views
What are welfare payments and we're South African government providing and to whom
1 answer
511 views
A collection of coins consisting of 10-cent, 20-cent and 50-cent pieces has a value of $4.50. The number of 20-cent pieces is
1 answer
1,687 views
Luisa travels 25 km in 3hours 45 mins. She walks part of the way at 4 km/h and cycles the rest at 12 km/h. How far did she walk?
2 answers
808 views
Luisa travels 25 km in 3 3 4 hours. She walks part of the way at 4 km/h and cycles the rest at 12 km/h. How far did she walk?
4 answers
2,482 views
a rectangular tank with a square base of side 60 centimeters and a height of 45 centimeters is one third filled with water.
2 answers
1,670 views
Three consecutive terms of a Geometric Progression are ? 6, p and ? 32 . find the value of p.
1 answer
526 views
Mass m2 rests on an incline and attaches to a string that goes over a pulley, where mass m1 hangs on the other side of the
0 answers
687 views
Can someone help me solve this? I've tried it a few times, but I keep getting answers that seem off. Like, for example, I'm
0 answers
473 views
Assuming all volume measurements are made
at the same temperature and pressure, what volume of hydrogen gas is needed to react
1 answer
1,210 views
Calculate the number of grams of nitrogen gas, N2, in a container that has a volume of 7.50 L at a pressure of 1200 mm Hg and a
1 answer
487 views
6. One angle measures 54 more than 3 times another angle. The angles are supplementary. What are their measures?
11. A piece of
3 answers
1,363 views
Could someone show me how to work this? It's for a study guide I'm practicing, and I just can't seem to get the correct answer.
T
2 answers
486 views
A woman expends 96 kJ of energy in walking a kilometer. The energy is supplied by the metabolic breakdown of food intake and has
1 answer
2,225 views
The coordinates of (triangle) ABC are A(-3,-1 ) , B( 5,1 ) and C (2,4)
(i) Calculate the length of AB , BC and AC (ii) Hence,
1 answer
671 views
A 4.44 kg piece of granite with a specific heat of 0.803 J g-1 °C-1 and a temperature of 98.8°C is placed into 2.00 L of water
3 answers
3,434 views
Can someone walk me through how to solve this? Any help is much appreciated!
Two masses moving along a straight line undergo a
1 answer
625 views
A block of mass 13.9 kg slides from rest down a frictionless 40.0° incline and is stopped by a strong spring with a spring
0 answers
552 views
A M2= 6.40 kg mass is released from rest at height h = 6.60 m . Using the law of conservation of energy, determine the speed of
1 answer
515 views
How much should be deposited in an account paying 3.5% interest, compounded quarterly, in order to have a balance of $
1 answer
569 views
Can someone help me solve this one? I've tried it a few times, but I don't think I'm getting it right.
A block of mass M = 2.2 kg
1 answer
725 views
Can someone walk me through how to work this? It's worded weirdly and I'm not sure how to solve it.
Mass M1= 2.2 kg lies on a
0 answers
636 views
Can someone walk me through how to work this?
A block is being pushed up a frictionless incline by an applied horizontal force,
0 answers
727 views
Can someone help me with this problem? It requires a lot of visualizing and I've never been great at problems like that.
A pair
0 answers
684 views
A 42 kg man stands on a bathroom scale in an elevator. Starting from rest at the bottom floor, the elevator ascends, attaining
1 answer
917 views
Hey, I'm studying for my physics class, and I'm not sure how to solve this problem. Can someone walk me through it please? I'd
0 answers
762 views
If Owen gives $40 to Charley, the will have an equal amount of money. If Charley gives $80 to Owen, the ratio of Owen's money to
2 answers
1,946 views
An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound gives mass percents of
1 answer
3,412 views
What is the domain of x/(x-1)?
Is it all x <> 1?
1 answer
385 views
This one has been confusing me, can someone walk me through it? I'd like to know which formulas I need to use and everything.
A
1 answer
641 views
Hey! I've tried using equations such as weight=m*g for this problem, but I don't think I'm doing it right. Can someone help?
A
1 answer
632 views
explain the consequence of x chromosome inactivation in terms of the proteins encoded by the x chromosome genes?
1 answer
513 views
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