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tom
Questions and answers by
tom
, page 5
Questions (442)
another ball is thrown vertically upwards and returns to the ground 5 seconds later. the height to which the ball rises is
1 answer
425 views
In the diagram below, a water wave having a speed of 0.25 meter per second causes a cork
to move up and down 4.0 times in 8.0
4 answers
2,064 views
Calculate the volume required for complete neutralization of 60.00mL of 0.1500 M KOH(aq).
a) 0.1500M nitric acid, HNO3. The
4 answers
711 views
the jewelry box will have rectangular sides and an open top. the longer sides will be made of gold at a cost of $300/in^2 and
2 answers
587 views
who discovered the optimal angle to launch projectile
1 answer
440 views
integrate (x-2) / (x+1)^2 +4 dx
1 answer
467 views
evaluate the improper interval with an interior discontinuity
dx/x^3 from -1 to 2
3 answers
380 views
a 0.30kg ball encounters a catchers hand while moving at the rate of 40m/s. the catcher draws his hand back so that the ball
3 answers
679 views
Find the volume of the solid obtained by rotating the region in the first quadrant enclosed by the curves y= tanx and y=2cosx
4 answers
1,099 views
Find the volume of the solid obtained by rotating the region in the first quadrant enclosed by the curves y= tanx and y=2cosx
2 answers
598 views
sum of the geometric series (2 - 3^n) / 5^n
whats a and r?
9 answers
456 views
How do I find the sum of a geometric series from 2 to infinity of -3/ (4^n) ?
4 answers
423 views
FInd the integral of the infinite series of (2x)^n / n^2
I got (2x)^(n+1) / 2n^2(n+1) is this right ∫ from 0 to ∞ ∑ (2x)^n
5 answers
381 views
whats the integral of
(10+ ln(2x) )^7 ------------------- dx x
1 answer
421 views
7.5 g of CaCl2 in 65.0 g of CaCl2 solution
Express your answer using two significant figures.
2 answers
685 views
diploid cell consists of 10 chromosomes. Find out the number of different combination of chromosomes when the above cell
4 answers
518 views
Rocket-powered sleds are used to test the responses of humans to acceleration. Starting from rest, one sled can reach a speed of
1 answer
444 views
A spaceship far from any star or planet accelerates uniformly from 66.0 m/s to 157.0 m/s in 10.0 s. How far does it move?
1 answer
330 views
Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun
2 answers
562 views
y" + arctan(y) = 7
is this differential equation linear or non linear?
4 answers
356 views
Consider the system shown, Block A weighs 45N and block b weighs 25N. Once block b is set into downward motion, it descends at a
3 answers
1,952 views
7 men and 3 women are ranked according to their scores on an exam. Assume that no two scores are alike, and that all 10!
1 answer
1,073 views
-3(5-b)
1 answer
182 views
Carlos spent 1 1/4 hours doing his homework. He spent 1/3 of that time practicing his multiplication facts. How many hours did
1 answer
326 views
I need help with questions B and C.
A person of mass m = 75 kg is at the highest point above the ground on a rotating Ferris
1 answer
297 views
. A container in the shape of a right circular cone of height 10cm and base radius 1cm is
catching water from a tap leaking at
4 answers
1,808 views
A rectangle is twice as long as it is broad. Find the rate of change of the perimeter when
the breadth of the rectangle is 1m and
5 answers
715 views
The sum of three times a number and -4 is at least
4 answers
246 views
Find the value of x so that the ratios 8 : x and 12 : 18 are equivalent.
4 answers
840 views
solve for s
sxb S angle is 54 B is not given X is not given b=7km x=10km s=?
1 answer
307 views
Calculate |es002-1.jpg|.
The absolute value of es002-2.jpg is equal to the square root of
4 answers
1,208 views
what is Filtration and what it do please?
1 answer
241 views
Two coworkers picked up some writing instruments at the office supply store. Janice selected 6 boxes of pencils and 10 boxes of
4 answers
255 views
what is the solution of (5x - 1) + (-2x + 7) = 9
1 answer
145 views
"essay.
you have been infected with the h1n1 flu virus. describe how this virus might have entered your body, how it works to
1 answer
244 views
A sales person receives 20% of a 6% commission on the sale of a $175,000 house. How much did he receive?
1 answer
268 views
The temperature is changing at a rate of -2 degrees per hour. How long will it take for the temperature to change to -12°C?
1 answer
255 views
Identify an equation in standard form for a hyperbola with center (0, 0), vertex (−5, 0), and focus (−6, 0).
2 answers
666 views
There are 36 pieces of building blocks in a bag: 9 each of blue, green, red, and yellow. Four pieces are chosen at random.
3 answers
598 views
The price of fuel may increase due to demand and decrease due to overproduction. Marco is studying the change in the price of
3 answers
235 views
Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different
1 answer
163 views
Write a story about twins with very different personalities.
1 answer
138 views
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