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Edward

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Name a pair of complementary anglesA) 1 and 4 B) 1 and 2 C) 3 and 4 D) 1 and 6 Pls help I have a F in math
1. 1 answer
2. 89 views
How much energy in joules is required to heat 7 kg of ice from -30.0°C to 0.0°C to steam at 250 °C?
1. 0 answers
2. 78 views
.8 probability that a randomly selected adult will watch prime time tv live, instead of online, on DVR, etc.. Assume that seven
1. 3 answers
2. 246 views
Perimeter of triangle ABC is 24cm . If AC is 4cm longer than BC. Calculate x and y
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2. 282 views
This week in class, we covered one way to sum an arithmetico-geometric series. Now we're going to cover a different approach.Let
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2. 924 views
Waneek picks a two-digit number, subtracts the tens digit and then subtracts the ones digit to get a new number.For example if
1. 2 answers
2. 615 views
Two solutions are made, each with a concentration of 0.10 mol/L. One contains hydrobromic acid and one contains phosphoric acid.
1. 1 answer
2. 406 views
the 3th term of a GP is 63 while it 5th is 567.what is the sum of it's first seven terms
1. 1 answer
2. 386 views
When you use a slingshot to fire a 500 g rock you stretch the rubber band storing potential energy. The initial elastic
1. 1 answer
2. 818 views
Given the following acid-dissociation constants, which acid has the strongest conjugate base?A. CH3COOH Ka = 1.8 * 10^-5 B. HCN
1. 4 answers
2. 1,377 views
The mean height of 15 boys in a class is 162cm and the mean height of 10 girls is 152cm. Find the height of the 25 pupils.
1. 2 answers
2. 1,936 views
wezi had 40 oranges and he sold 3/4 of them how many oranges did he sell?
1. 2 answers
2. 1,231 views
Each pair of points lies on the line with a given slope. Find y(7, 4) (3, y), Slope 1/4 What is the set up to solve this
1. 1 answer
2. 1,840 views
Write the function represented by the table as an equationx. y. -2. 7 3. 27 5. 35
1. 2 answers
2. 461 views
A bag contain 12 green balls,14 yellow balls and 4 red balls.what is the probability of selecting a red or green balls?
1. 1 answer
2. 780 views
Solve the simultenous equation.XY=160 LogX - 3LogY=1
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2. 588 views
Y is partly constant and partly varies as x...if y=2 x=4 and when y=5 x=8....find y when x=9
1. 1 answer
2. 426 views
methanol gas decomposes into carbon dioxide and hydrogen gas. At 327 degrees celcius, the equilibrium concentration are methanol
1. 1 answer
2. 673 views
About how far east and west goes Georgia extend
1. 2 answers
2. 801 views
Find volume of solid generated by revolving around region y=x^(1÷2) and y=2,x=0 about 1)x=0 2)y=2
1. 1 answer
2. 534 views
A cubical block of wood of side 0.5 m floats in water. Given that the densities of wood and water are 800 and 1000 kg/m3
1. 2 answers
2. 1,390 views
The cost of one hamburger and two large sodas is $5.40. The cost of three hamburgers and one large soda is $8.70. What is the
1. 2 answers
2. 1,445 views
addition of conc H2SO4 to Ph-CH(CH3)OH gives product?????
1. 1 answer
2. 443 views
a, b, c are 3 vectors such that |a|=2|b|=4|c| (|a|=modulus of a vector) and 2a-3b+6c=0 (a is a vector) then find cos(x) between
1. 0 answers
2. 443 views
Hardy-Weinberg: Within a population of birds, 21 percent of them display the recessive phenotype for a particular trait. What
1. 0 answers
2. 568 views
Lt (((1+×)^(1÷×))÷e)^1÷×x->0
1. 2 answers
2. 313 views
The no. Of 5 digit no.s Such that sum of their digits is even is=
1. 1 answer
2. 376 views
From set of 20 natural no.s 2 are selected.find probability that their sum is 1.odd 2.even 3.selected pair is twin prime
1. 3 answers
2. 1,687 views
coefficient of x^4 in (3(x^2)-x+2)
1. 4 answers
2. 415 views
How many natural numbers are there with the property that they can be expressed as sum of cubes of two natural numbers in two
1. 1 answer
2. 795 views
How many natural numbers are there with the property that they can be expressed as sum of cubes of two natural numbers in two
1. 2 answers
2. 802 views
How do you calculate classical probability average
1. 0 answers
2. 486 views
sources said that differentiation of GIF is 0 but x in GIF is variable .and diff.of simple x is 1.?
1. 1 answer
2. 392 views
Is {e^x} periodic function?
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2. 594 views
What are conditions for taking |x*y|=|x|*|y|
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2. 338 views
p (x)=x^6 a*x^5 b*x^4 c*x^3 d*x^2 e*x f
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2. 254 views
Differentitate:X^2.sinx/(x+1)(x^2-1)......???
1. 1 answer
2. 381 views
Find the remainder? when 2^2011 is divisible by 13
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2. 351 views
The length and width of a rectangle are integer.if the area is larger than its perimeter by 9 find the perimeter???
1. 3 answers
2. 487 views
If the angle of a h meters long tower is in a straight line between two observers A and B angle of elevation of the top of the
1. 2 answers
2. 448 views
Y=e^x differentiate using the first principle
1. 4 answers
2. 412 views
X^2-b(x-1)-1=0 find. (x)
1. 3 answers
2. 322 views
Sinx+root3cos=1 if 0<=x<360
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2. 515 views
Integrate.1/root(2x-1)dx
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2. 384 views
Integrate.1/root(2x-1)dx
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2. 506 views
If 192,x,y,3 form a geometic sequence, calculate the valuest of x and y.
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2. 453 views
What are the uses of azomethine?
1. 1 answer
2. 527 views
Please tell me any website....where I can find details of the experimentReaction of 4-aminotoluene and o-vanillin(for
1. 1 answer
2. 372 views
Could you please tell me the objective, theory and mechanism,result, precautions and applications of following experiment:
1. 3 answers
2. 994 views
Question(1):Show that the curve y=x^2-3x-5 passes through the point (5,5),(4,-1),(2,-7),(0,-5) and (-t,5) calculate the gradient
1. 3 answers
2. 902 views
For what values of (¢ belongs to R) the following system of equations has (1)no solution (2)a unique solution (3)infinitely
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2. 550 views
For what values of (¢ belongs to R) the following system of equations has (1)no solution (2)a unique solution (3)infinitely
1. 0 answers
2. 439 views
How to solve this equation :log(base10)x - log(base10)y = 2
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2. 419 views
3x + 2=y; y=5
1. 1 answer
2. 303 views
Some typical daily low temperature for Alaska cities in February are Anchorage, 12F, Fairbanks, 14F, Kotzebue, -12F, Gulkana,
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2. 600 views
A hockey players play minus rating compares the number of goals scored by his or her team (plus) to the number scored by the
1. 1 answer
2. 703 views
Suppose Frontier City Amusement Park bought a ferris wheel for $92,000. 42,512 people paid $2.00 each to ride the ferris wheel
1. 1 answer
2. 859 views
At 11:00 pm the temperature was -9 degrees. By 7:00 am the temperature had risen 18 degrees. What was the temperature at 7:00
1. 3 answers
2. 2,292 views
A submarine was at a depth of 225 meters below sea level. It rose 80 meters, then it dove 35 meters. How far below sea level was
1. 1 answer
2. 1,366 views
A scientist measured the temperature at the surface of a 7 inch deep snow. The temperature was -27 degrees. At ground level, the
1. 4 answers
2. 2,300 views
The greenhouse effect occurs on many planets. If the actual temperature on Venus is -40 degrees, the temperature with the
1. 1 answer
2. 688 views
What does the speaker in “Remembrance” plan to do?a. Forget her beloved. b. Live in mourning forever. c. Find a new love. d.
1. 1 answer
2. 709 views
Todd run 8 laps around a 400-meter track on Monday, 4 laps on Tuesday, 8 laps on Wednesday, 4 laps on Thursday, and 8 laps on
1. 1 answer
2. 789 views
A swimming pool is 75 feet long, 45 feet wide, and 8 feet deep. It is filled to a depth of 5 feet. What is the volume of the
1. 2 answers
2. 1,898 views
What is the volume of a coffee can that is 6.5 inches high and has a diameter of 5 inches. round your answer to the nearest
1. 3 answers
2. 2,194 views
HOMEOWNERS IN UNITED STATES USE MORE THAN 15 MILLION POUNDS OF PESTICIDES ON THEIR LAWNS EVERY YEAR. CONVERT THIS RATE TO OUNCES
1. 3 answers
2. 989 views
Please tell me websites for online chapter wise test series for jee advanced 2015 preparation.(Chapter wise) if not then mock
1. 3 answers
2. 537 views
From which website I can get offline test papers(chapter wise) for preparation of Jee advanced 2015.
1. 2 answers
2. 394 views
How to get into Nasa after doing aerospace engineering from India?Could you please tell me best universities for aerospace
1. 4 answers
2. 590 views
a brass rod is 2 m long at a certain temperature. what is its length for a temperature rise of 100 K, if the expansivity of
1. 1 answer
2. 603 views
1. Scale is 1 in.= 3 ft.If the room is 8 inches long and 2 inches wide on a blueprint, how much will it costs to clean the
1. 1 answer
2. 420 views
It is a 4-digit numberThe tens are double the ones. The thousands are double the tens. The sum of the digits is 19. What number
1. 1 answer
2. 1,052 views
b_n=(-2)^(n-1)
1. 1 answer
2. 322 views
f(x)= 1/3x^5 + x^-2 + 3, then f'''(x) is..I got f'''(x)= 20x^2-24x^-5 Can you tell me if I got this right
1. 1 answer
2. 424 views
Whats the 2nd derivative of4xsecx I got 4secxtanx+8xsecxtan^2x
1. 1 answer
2. 728 views
Whats the 2nd derivative of4xsecx I got 4secxtanx+8xsecxtan^2x
1. 0 answers
2. 425 views
find the 2nd derivative ofy= 1/x +cosxsinx I got 2/x^3 - 2cosxsinx is this right or did I get this wrong
1. 0 answers
2. 401 views
Three particles A, B, C start from the origin from the same time, A with velocity a along x-axis, B with velocity b along
1. 2 answers
2. 902 views
A 80-kg man stands on a bathroom scale inside an elevator.(a) The elevator accelerates upward from rest at a rate of 1.40 m/s2
1. 2 answers
2. 2,544 views
The figure below shows Superhero hanging motionless from a rope, with Trusty Sidekick hanging below him. Superhero's mass is
1. 1 answer
2. 1,743 views
Sons By John UpdilikeHow is the tone of the narrator?
1. 1 answer
2. 413 views
I need help setting up this problem.A tennis player serves a tennis ball such that it is moving horizontally when it leaves the
1. 0 answers
2. 931 views
I need help setting up this problem.While standing on the roof of a building, a child tosses a tennis ball with an initial speed
1. 0 answers
2. 865 views
I need help setting up this problem.A tennis player serves a tennis ball such that it is moving horizontally when it leaves the
1. 0 answers
2. 857 views
I need help setting up this problem.While standing on the roof of a building, a child tosses a tennis ball with an initial speed
1. 0 answers
2. 751 views
I need help setting up this problem.While standing on the roof of a building, a child tosses a tennis ball with an initial speed
1. 0 answers
2. 912 views
I need help setting up this problem.A tennis player serves a tennis ball such that it is moving horizontally when it leaves the
1. 0 answers
2. 939 views
I need help attacking this problemA steel ball is dropped onto a hard floor from a height of 1.95 m and rebounds to a height of
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2. 1,513 views
A steel ball is dropped onto a hard floor from a height of 1.95 m and rebounds to a height of 1.87 m (assume positive direction
1. 0 answers
2. 791 views
A steel ball is dropped onto a hard floor from a height of 1.95 m and rebounds to a height of 1.87 m (assume positive direction
1. 1 answer
2. 777 views
calculate the total surface area of a solid cone of slant height 10cm. use the value 3.14 for radius
1. 4 answers
2. 1,965 views
A tennis ball of mass m = 0.068kg and speed v = 21m/s strikes a wall at a 45∘ angle and rebounds with the same speed at 45What
1. 1 answer
2. 2,271 views
A child in a boat throws a 5.15-kg package out horizontally with a speed of 10.0 m/s. The mass of the child is 24.2kg and the
1. 1 answer
2. 849 views
A street light is mounted at the top of a 19-ft-tall pole. A man 5.5 feet tall walks away from the pole with a speed of 14 ft/s
1. 1 answer
2. 873 views
Consider the following income statement and answer the questions that follow:Sales(100 units) $200 Variable costs (.80each) 80
1. 0 answers
2. 452 views
A Family travels 200 km in two hours and 20 min.then they stop to eat lunch.After lunch they travel 300 km In Two 3 Hours and
1. 1 answer
2. 460 views
A buffer consists of 0.16 M KHCO3 and 0.39 M K2CO3. Carbonic acid is a diprotic acid with Ka1 = 4.5 10-7 and Ka2 = 4.7 10-11.(a)
1. 5 answers
2. 4,605 views
An industrial chemist studying bleaching and sterilizing prepares several hypochlorite buffers. Find the pH of the following
1. 4 answers
2. 2,271 views
Find the pH of a buffer that consists of 0.82 M methylamin (CH3NH2) and 0.71 M CH3NH3Cl (pKb of methylamine (CH3NH2) = 3.35.)I
1. 2 answers
2. 2,009 views
Calculate the pH of 0.215 M carbonic acid (H2CO3). (HINT: do NOT worry about the second H+ in this acid!)How would I solve this?
1. 1 answer
2. 583 views

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