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Vincent
Questions and answers by
Vincent
Questions (64)
The water from two buckets is mixed together. One bucket contains 5kg of water at 20 degrees Celsius and the other contains 1kg
4 answers
1,604 views
Okay I've been working on this for 10 hours straight and cannot get it. This is a math problem from my teacher who just loves to
3 answers
933 views
Can someone please look over this and let me know if this is right.
• Develop documentation for human resources professionals
6 answers
643 views
Develop documentation for human resources professionals to manage aspecific employment position. The materials you create would
3 answers
766 views
17^115
1 answer
342 views
x-1/2-x-2/3=1
1 answer
264 views
Why is personal jurisdiction an issue for those who post Websites?
1 answer
401 views
Evaluate the indicated function for f(x)=x2+1 and g(x)=x-4
Note: x2+1 means x squared plus one. (2f)(5)
1 answer
373 views
sqr(x^2-4)+(x^2)/x^2+1
I got ((x^2+1)*sqr(x^2-4)+x^2)/x^2+1 But my teacher gave (sqr(x^2-4)+x^2)/x^2+1 I did the problem over
2 answers
571 views
please help me with this proving question
prove that 4cos(theta) * cos(theta + 120) * cos(theta - 120) = cos(3theta) PLEASE HELP
4 answers
388 views
Find all the zeros of the function and write the polynomial as a product of linear factors.
g(x)=3x^3-4x^2+8x+8 On my graphing
2 answers
1,020 views
Molar Heat of Fusion of Ice Experiment.
Does the Temperature of a component of a system [cup of warm water from experiemtn]
3 answers
627 views
Find an equation of the parabola with vertex at the origin.
Passes through the point (4,6); horizontal axis. I know it has to be
5 answers
2,298 views
Find the exact value of the trigonometric function given that sin u = 5/13 and cos v = -3/5. (Both u and v are in Quadrant II.)
F
5 answers
3,447 views
36x-15y+50z=-10
2x+25y=40 54x-5y+30z=-160
5 answers
506 views
(-6+b)^2
2 answers
254 views
Find the area of the triangle. Round to the nearest tenth.
B= 42.8° a= 12.7 c= 5.8 I found b by using the Pythagorean theorem
4 answers
3,635 views
Solve the triangle. Round to the nearest tenth.
B=54deg a=42 c=6.5 1. I found length of b using law of cosine and got 36.2 2.
4 answers
575 views
how do I use sentences comparing Strong, stronger and strongest?
what is the difference between those words?
2 answers
214 views
Use mathematical induction to prove that each proposition is valid for all positive integral values of n.
5^n + 3 is divisible by
1 answer
467 views
Is the word tower a predicate
3 answers
354 views
On three consecutive passes, a football team gains 5 yards, loses 21 yards, and gains 13 yards. What number represents the total
4 answers
510 views
There are two neighboring points P and Q on the curve f(x)=x^2
(a) Determine m(h), the slope of the straight line PQ (b) The
1 answer
467 views
a bank of 16 floodlights together use 5600 watts of power how much power is used by each bulb
4 answers
865 views
Were there any lessons learned from the Valdez Spill that helped contain the devastation of the
BP spill in the gulf?
1 answer
493 views
Given that cos 13pi/18=sin y, first express 13pi/18 as a sum of pi/2 and an angle, and then apply a trigonometric identitiy to
3 answers
1,714 views
Choose the equation that best represents an ellipse for the given foci and co-vertices.
Foci (+/-3,0) Co vertices (0, +/-6)
1 answer
948 views
Calculate the pH of an Aqueous 3.8 x 10^-5 M solution of barium hydroxide. I need help.
1 answer
354 views
A plane leaves point A and flies S80° E to point B400 km away. How far east of A is B (to the nearest kilometer)?
2 answers
679 views
Thermodynamics texts use the relationship (dy/dx)(dz/dy)(dx/dz) = -1
Explain the meaning of this equation and prove that it is
4 answers
2,096 views
A stone is thrown into a calm pond and circular ripples are formed at impact. If the radius expands at the rate of 0.5
4 answers
1,945 views
Wheat is poured through a chute at the rate of 10 ft^3/min and falls in a cone-shaped pile whose bottom radius is always half
4 answers
2,544 views
When you jump vertically 0.86 meters above the ground, what is your acceleration when you reach your highest point?
1 answer
341 views
In a class of 39 pupils, 1/4 of the girls wear spectacles and 2/3 of the boys wear spectacles. A total of 16 pupils in the class
2 answers
559 views
Aluminium reacts with oxygen to form aluminium oxide.How many grams of potassium chlorate would be heated to produce enough
7 answers
1,973 views
Please help with function rule
X Y -7 -1 -4 -3 -1 -5 2 7 5 -9 Thank you
1 answer
326 views
A car has wheels with tyres on, which are 75cm in diameter. The car is travelling at a constant speed of 60km/hr. If no slipping
3 answers
656 views
The sum of n numbers of geometric progression is GP=(2^n+1)-1. Find the first term and the common difference.
1 answer
447 views
The sum of three consecutive numbers is 365,find the numbers. X^2+y^2+z^2=365 x^2+(x+1)^2+(x+2)^2=365 After solving x=10 or -12
1 answer
441 views
2tan x + sec x = 4cos x
1 answer
406 views
A movie theater charges $5 admission for an adult and $3 for a child. If 700 tickets were
sold and the total revenue received was
2 answers
1,092 views
An amusement park sells 25 cent, 50 cent, and $1 tickets and a teacher purchases $32.50 worth of tickets. A student remarks that
4 answers
857 views
The number of blocks has 9 in the ones place. The number in the hundreds place is one more than the number in the tens place.
2 answers
593 views
Acetic acid(CH3O2H) reacts with isopentyl alcohol (C5H12O) to yield isopentyl acetate acetic acid with isopentyl alcohol is
2 answers
1,008 views
A coil of inductance 0.04henry and negligible resistance is connected in parallel with a 10ohms resistor, across a 240volts
2 answers
558 views
A 6.0kg block is falling toward a spring located 1.80m below. If it has a speed of 4.0m/s at that instant, what is the maximum
2 answers
833 views
You accidentally drop a cell phone, if the cellphone lands on a grassy lawn, is its momentum less, the same, or greater?
2 answers
514 views
Your friend sends out a chain letter e-mail to 12 people and by the next day 15 people have received the letter. Assuming an
3 answers
2,025 views
Mr Onyango operates an electronics shop along Kenyatta Avenue in Nairobi. He undertook the following transactions for the month
2 answers
759 views
If 30% of students over the age of 18 smoke and 9 students are chosen at random. What is the probability that less than 2 of
2 answers
464 views
Solve the simultaneous equation using substitution method:4x = y + 7and 3x + 4y + 9 = 0
7 answers
2,039 views
Solve this equation 4x =y + 7
1 answer
312 views
Which of the following illustrates by the statment (f×e)×1=f×e
1. Associative property of multiplication 2.Identity property
1 answer
257 views
If 15.0 g of NaN3 is in a air bag, how much Nitrogen gas can be produced.
4 answers
814 views
Round off to 709.398 To 1 decimal place
1 answer
221 views
Synthetic diamonds can be manufactured at pressures of 6.00 x 104 atm. If we took 2.00 liters of gas at 1.00 atm and compressed
1 answer
374 views
A rigid container has an initial pressure of 1.50 atm at 21oC. What will the pressure be if the temperature is increased to
4 answers
1,282 views
X/x-2 -x+2/1+x
1 answer
140 views
. A 150 g mass tied to a string is being whirled in a vertical circle of radius 30 cm with uniform speed. At the lowest
1 answer
214 views
A boy running in a northern direction later changes direction and started moving towards the Eastern direaction. If the distance
3 answers
305 views
a down payment of sh.2300 followed by 12 monthly installments of sh.490.Calculate the carrying charge.2.The cash price of a
2 answers
787 views
Discuss one way In which sport could detra from nation building
3 answers
129 views
Discuss one way In which sport could detract
from nation building
1 answer
100 views
Jamal is creating toys to sell. He is averaging 8 toys every 5 days. If he continues at this rate, how many days will it take to
1 answer
43 views
