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Hector
Questions and answers by
Hector
Questions (33)
Carlos has 7 1/2 acres of farmland. He uses 1/3 of the acres to graze animals and 1/5 of the acres to grow vegetables. How many
10 answers
3,307 views
Copper metal reacts with concentrated nitric acid according to the following balanced equation:
3Cu(s) + 8HNO3(aq) �¨
4 answers
1,842 views
Determine whether the following is convergent of divergent.
integral(lower limit=0, upper limit=infinity)of sin(x)sin(x^2)dx
2 answers
527 views
If n is a positive integer, prove that integral[(lnx)^ndx=((-1)^(n))*n!](lower limit=0, upper limit=1)
Thanks Again,
2 answers
603 views
Integrate using partial decomposition indefinite integral (1/(x^(4)+1)dx. P.S. 4 is the only exponent.
Thanks
1 answer
460 views
Ms Price has three times as many girls as boys in her classroom Ms Lippy has twice as many girls as boys. Ms. Price has 60
4 answers
1,174 views
In a class of 36 students, 13 were absent on Friday. What percent of the class was absent?
Is the answer 36 1/9?
3 answers
960 views
Eric deposted $32,000 in a savings account to save for his children's college education. The bank pays 8% tax-deferred interest
2 answers
1,203 views
If a legislator supported a measure letting factories be built on a river in her home district but then reversed his decision
1 answer
382 views
At what time should each boat start so all the boarts will cross the finish line at 100 meters at the same time?
1 answer
329 views
Help!!!
A rectangle piece of cardboard twice as long as wide is to be made into an open box by cutting 2 in. squares from each
4 answers
998 views
An aqueos solution is 65%(v/v) rubbing alcohol.How many millimeters of water are in a 95-mL sample of this solution?
2 answers
534 views
An aqueos solution is 65%(v/v) rubbing alcohol.How many millimeters of water are in a 95-mL sample of this solution?
2 answers
1,291 views
Once you have developed your product/service, you then need to determine how to make it available to the end user. Using your
3 answers
604 views
collect like terms
3a+2a^2+a-a^2
2 answers
880 views
the de broglie wavelength of an electron with a velocity of 6.00 x 10^6 m/s is ____m. the mass of the electron is 9.11 x
3 answers
1,952 views
For an object in equilibrium the sum of the torques acting on it vanishes only if each torque is calculated based on your:
3 answers
1,144 views
. Compared a car (mass of 2000 kg) moving at 10 miles per hour, how much kinetic energy (in Joules) does that same car have when
1 answer
1,174 views
a green bead of mass 70 g slides along a straight wire. The length of the wire from point "A" to point "B" is 0.700 m, and point
1 answer
815 views
a green bead of mass 70 g slides along a straight wire. The length of the wire from point "A" to point "B" is 0.700 m, and point
2 answers
607 views
The population of humorville is 8500 people. In this town Jokes travel fast, in one hour, each person who hears a joke tells
4 answers
1,739 views
you dump a box of numbered sticks from 1 to 100, what is the probability that I will get a multiple of 5,
2 answers
511 views
you dump a box of numbered sticks from 1 to 100, what is the probability that I will get a multiple of 8
1 answer
438 views
you dump a box of numbered sticks from 1 to 100, what is the probability that I will get a multiple of 5 and 8
1 answer
408 views
A pack of jelly beans contains seven flavors, apricot, fig, grape, coconut, date, banana, and eggplant. How many combinations
3 answers
643 views
If a metal ore contains 22.5% pure metal, how many pounds of pure metal can be obtained from 79 pounds of metal ore?
Answer in
2 answers
569 views
If an arrow is shot upward on Mars with a speed of 54 m/s, its height in meters t seconds later is given by
y = 54t − 1.86t2
4 answers
6,590 views
The radius of a sphere is increasing at a rate of 2 mm/s. How fast is the volume increasing when the diameter is 100 mm?
2 answers
1,068 views
An upright cylindrical tank with radius 3 m is being filled with water at a rate of 4 m3/min. How fast is the height of the
3 answers
2,202 views
A tennis ball is struck at a speed of 6 m/s horizontally, it departs from the racket at a vertical distance of a 1.02m. How much
2 answers
1,222 views
What are the mineral components of Dockweiler beach sand
2 answers
632 views
Evaluate the expression: (6.91 x 10⁻²) - (2.4 x 10⁻³)
3 answers
233 views
what is four hundred eight hundredths as a decimal
1 answer
50 views
Answers (16)
Grandpa Ernie is shrinking! Over the past 444 years, his height decreased by a total of 2.4 \text{ cm}2.4 cm2, point, 4, start text, space, c, m, end text. It decreased by the same amount each year.
After being exposed to an electromagnetic shrinking machine, Joe's height decreased by 120120120 cm over 1.51.51, point, 5 seconds. His height decreased by the same amount each second.
A D A C 100%
D A C C
D C A B A C A A
A B D D B
The answer is about 19
Hey was The dirty old hotel called The fiddle
How do I multiply the three dimensions? Sorry I can not understand. Could you please explain to me Thanks/
(19,_16,(_7,15)
(19,_16,(_7,15)
(cos sinx²+ sin²x²)/sin²x² = [(cos sin + sin²)x]/sin²x² =(cos + sin)/x
That's easy 3:18 9:54 6:36 3*6:18 9*6:54 6*6:36 So the ratio of them is 6/1 or 6
if you use A=Mc^2 solve for A. then use common sense
Nick Hoins and Demi Higgins PDA way too much in school!!!
Thanks MathMate!
