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Questions Asked on July 12, 2014

y = -7x - 9, -3y = 21x + 7without graphing, tell whether the graphs of each pair of equations are perpendicular.
1. 2 answers
2. asked by sharon
3. 827 views
Is this balanced correctly NaOH + H2SO4 = Na2SO4 + H2O?In this equation, Sodium (Na) and Hydrogen (H) atoms are not balanced.
1. 1 answer
2. asked by duane
3. 879 views
A half-life of mercury-195 is 31 hours. If you start with a sample of 5.00g of pure mercury-195, how much of it will still be
1. 2 answers
2. asked by duane
3. 3,434 views
A ship is slowed up with the force F=-k*e^(c*v), where k and c are known constants. Determine the time and the distance
1. 0 answers
2. asked by Dynamics Problems
3. 482 views
A particle moving along a straight line is subjected to a deceleration a=-2v^3 m/s2.If it has a velocity v=8 m/s and a position
1. 4 answers
2. asked by Dynamics Problems
3. 4,616 views
how is carbon dioxide different than water in terms of the behavior of each compound in Earth's atmosphere?
1. 0 answers
2. asked by John
3. 946 views
what is the sum of a profit 0f $8000 and a loss of $13000?I'm realy struggling and need URGENT Help! plz respond
1. 3 answers
2. asked by Tom
3. 873 views
explain whether using solid sodium hydroxide pellets rather than aqueous sodium hydroxide would alter the enthalpy
1. 1 answer
2. asked by Liz
3. 534 views
1. I have hunger to go home now.2. I have a hunger to go home now. 3. I am dying to go home now. 4. I am looking forward to go
1. 1 answer
2. asked by rfvv
3. 1,233 views
Need help with Ethics and moral reasoning Reading Quiz 4
1. 4 answers
2. asked by Ann
3. 580 views
Find the slope-intercept equation for the line with the indicated slope-intercept slope 5/8; y-intercept (0,-3)
1. 1 answer
2. asked by sharon
3. 408 views
ADHD a researcher studying ADHD among teenagers obtains a simple random sample of 100 teenagers aged 13 to 17 and asks them
1. 0 answers
2. asked by leslie
3. 795 views
1. That coat appears to fit you well.2. That coat seems to fit you well. 3. That coat appears to be suitable for you well. 4.
1. 1 answer
2. asked by rfvv
3. 399 views
A business owner opens one store in town A. The equation p(x)=10,000(1.075)^t represents the anticipated profit after t years.
1. 4 answers
2. asked by Junior
3. 1,978 views
The value, V, of Kalani’s stock investments over a time period, x, can be determined using the equation V=75-(0.80)^-x What is
1. 1 answer
2. asked by Junior
3. 2,480 views
Posted by rfvv on Friday, July 11, 2014 at 3:01am.1. Exchange points with another team. 2. Swap points with another team. (Are
1. 1 answer
2. asked by rfvv
3. 1,033 views
1. Bring 300 points from another team.2. Take away 300 points from another team and add the points to your team's points. 3.
1. 1 answer
2. asked by rfvv
3. 360 views
Al2(s04)3 solution of a molal concentration is present in 1 litre solution of 2.684g/cc. How many moles of bas04 would be
1. 1 answer
2. asked by ken
3. 750 views
using the 5 steps of hypothesis testing begining salary mean =17, 016,09,sd7.870and current salary mean= 34,419.57 sd=17,075
1. 1 answer
2. asked by connie
3. 473 views
using the 5 steps of hypothesis testing begining salary mean =17,016,09,sd7.870and current salary mean= 34,419.5,7 sd=17,075
1. 1 answer
2. asked by connie
3. 434 views
1. Who created the animation Snow White and Pinocchio?2. Who created the animations Snow White and Pinocchio? 3. Who created the
1. 1 answer
2. asked by rfvv
3. 479 views
Based on the following information, what amount would be SUBTRACTED from the BANK BALANCE side of a checking account
1. 1 answer
2. asked by Anonymous
3. 1,256 views
Show that a right-circular cylinder of greatest volume that can be inscribed in a right-circular cone that has a volume that is
1. 1 answer
2. asked by ali
3. 4,024 views
What bird is the symbol of peace?1. A dove. 2. A pigeon. (Are both OK? Is the answer only #1? What is the difference between
1. 1 answer
2. asked by rfvv
3. 539 views
solve the following equationx=4/5(X+10)
1. 1 answer
2. asked by cbse 8th
3. 374 views
solve the following equationsx=4/5(x+10) 2x/3+1=7x/15+3 2y+5/3=26/3-y 3m=5m-8/5
1. 1 answer
2. asked by cbse 8th
3. 324 views
1. I studied math for 10 years, but I'm still not good at it.2. I have studied for 10 years, but I'm still not good at it.
1. 1 answer
2. asked by rfvv
3. 487 views
Wet air containing 4.0 mole% water vapor is passed through a column of calcium chloride pellets. The pellets adsorb 97.0% of the
1. 2 answers
2. asked by xavier
3. 1,748 views
I know that I posted this already but my question has not been answered..Solve in the exact form. Original problem: (sqrt of
1. 2 answers
2. asked by Anonymous
3. 550 views
Hi, I need some help some questions from my Grammar homework.Decide which of the following words should be capitalized: 1.
1. 2 answers
2. asked by N.
3. 533 views
1. Some like summer and others like winter.2. Some like summer and the others like winter. 3. Some like summer and another likes
1. 1 answer
2. asked by rfvv
3. 456 views
1. Don't you get lonely being on your own all day?2. Don't you get lonely because you are on your own all day? (Does #1 mean
1. 1 answer
2. asked by rfvv
3. 409 views
I have completed all of my assignment except this one last question. I am having a heck of a time figuring out where to even
1. 1 answer
2. asked by Lois
3. 693 views
1. The earth moves around the sun.2. The earth moves round the sun. (Which one is grammatical? Are both OK? Which one is
1. 1 answer
2. asked by rfvv
3. 564 views
1. I am sure that he will succeed.2. I'm not sure that he will succeed. 3. I'm not sure if he will succeed. -------------- Are
1. 1 answer
2. asked by rfvv
3. 1,490 views
Part of the stage decoration is a "fan" shape and is to be covered with a white cloth. If the radius of the fan is x+3 and its
1. 2 answers
2. asked by Jonel
3. 553 views
iff(x)=x[x]/sin[x] then show that lim f(x)has no existence x>0
1. 2 answers
2. asked by soumitra
3. 393 views
One side of a triangle is 5cm more than the other and 2cm less than the hypotenuse. Find the lengths of the 3 sides?
1. 2 answers
2. asked by Jonel
3. 498 views
Dye of iodine is prepared by dissolving in ethanol , and 1% ( one percent ) of this solution contains 10 g of solute in 1000 g
1. 1 answer
2. asked by MAD
3. 779 views
The solubility of KClO3 in 25 oC is 10 g solute per 100 g waterif 15 g of KClO3 is embedded in 100 g water in 25 oC , then ,
1. 3 answers
2. asked by MAD
3. 3,533 views
Commuters were asked how many times a week they stop for coffee on their way to work. A survey found a mean of 3 times a week
1. 1 answer
2. asked by brewser
3. 449 views
a 12 V battery is made of 36 cells each rates at 2V and 1.5 A for a given duty cycle. what is the line current and power that
1. 1 answer
2. asked by Anne
3. 411 views
A swimming pool is to be constructed with a condition that its length must be twice its width. If the width of the pool is 2x+2
1. 1 answer
2. asked by Jonel
3. 490 views
Given(3x+3)/(6y+1)=3,find the value of7x/3y.
1. 6 answers
2. asked by olivia
3. 352 views
If the tax on an item is $16 and jerry wanted to buy two how much would the two items cost without the tax?Hint: Tax is 20% of
1. 1 answer
2. asked by Olivia
3. 427 views
A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The
1. 0 answers
2. asked by SUZAN
3. 544 views
if a car Tyre has a 20 inch radius, how many revolutions per secondwould this car have to generate to arrive at 150 km/h speed.
1. 1 answer
2. asked by wandile
3. 451 views
Al2(s04)3 solution of a molal concentration is present in 1 litre solution of 2.684g/cc. How many moles of bas04 would be
1. 2 answers
2. asked by ken
3. 1,604 views
a swimmer develops an average of 200 watts in a distance of 100m in 80 seconds. what is the force resistance in the water?
1. 1 answer
2. asked by Nolan
3. 549 views
Suppose that a pizza must fit into a box with a base 12"X 12" square. Use the quadratic function A= (pi)(r^2) to find the area
1. 4 answers
2. asked by Jonel
3. 555 views
WHAT IS THE FOUR DISIT NUMBER WHOSE GREATEST AND SMALLEST NUMER ,DISITS ARE NOT REAPTING BUT UNIT DISIT 1.
1. 2 answers
2. asked by HARDEV
3. 384 views
calculate the heat of formation of methane Ch4(g)is its heat of combustion is-780kjmol-1. the heat of formation ofCo2(g)and
1. 2 answers
2. asked by nay
3. 1,011 views
What is the energy of the photon emitted when the electron in a hydrogen atom drops from energy level E5 to energy level E2?
1. 1 answer
2. asked by christine
3. 1,153 views
Background knowledge:For cars traveling along dufferin,the speed is 60km/h. The distance to cross the intersection is 34m.
1. 1 answer
2. asked by saarah
3. 633 views
__________ theories hold that certain actions or practices are inherently right or wrong.A. Consequentialist B. Utilitarian C.
1. 1 answer
2. asked by Pat
3. 446 views
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 156 feet, and ball 2 is
1. 1 answer
2. asked by pmh
3. 767 views
In what ways does understanding the origins of the educational system in the U.S. be useful to me as a future educator?
1. 1 answer
2. asked by Cathy
3. 469 views
Find the slope and the y-intercept of the line.9x + 5y=56
1. 1 answer
2. asked by sharon
3. 415 views
which vegetable would cause the blood glucose to increase more ?please answer me
1. 4 answers
2. asked by Dylan river
3. 432 views
the speed of sound in air is given for still air. how would wind affect the speed? what would happen if you shouted into the
1. 1 answer
2. asked by duane
3. 512 views
how fast would a "jet" fish have to swim to create an "aquatic" boom?
1. 1 answer
2. asked by duane
3. 1,327 views
why do the tones sound full and rich when you sing in the shower?
1. 1 answer
2. asked by duane
3. 547 views
if the Moon's spherical surface gave specular reflection, what would it resemble at full moon?
1. 1 answer
2. asked by duane
3. 636 views
Why when you look at a window from the inside at night, two similar images, one behind the other, are often seen?
1. 1 answer
2. asked by duane
3. 540 views
how do you go from dv/(v+2)(v-1) to -(1/3)/(v+2) + (1/3)/(v-1) dv?
1. 3 answers
2. asked by sally
3. 306 views
In the beginning of our nation seats were reapportioned after the first three years, but today we reapportion seats in the House
1. 1 answer
2. asked by Casey
3. 1,343 views
5) Which foods hinder the absorption of less absorbable forms of irons in foods, such as whole grains, dried peas or beans?A.
1. 1 answer
2. asked by alexis
3. 616 views
The Senate is refered to as a continuos body, because not all Senators are up for re-election all at the same time. Instead, 1/3
1. 1 answer
2. asked by Casey
3. 601 views
what happens when you cut a bar magnet in half? if it were continually cut in half, then would it finally yield two magnetic
1. 3 answers
2. asked by duane
3. 890 views
how would you go about locating the magnetic north pole assuming it were still on land?
1. 1 answer
2. asked by duane
3. 387 views
2. Which of the following statements is true?A. Field trials are noncompetitive events. B. Field trials are open only to
1. 0 answers
2. asked by Anonymous
3. 674 views
3. AKC Retriever field trial Derby stakes are open to which of the following dogs?A. Retrievers older than two years of age B.
1. 0 answers
2. asked by Anonymous
3. 474 views
a ball is dropped from rest at 25m above the ground. how fast is it moving at 10 m above the ground and b) how much time does it
1. 1 answer
2. asked by EMMA
3. 1,226 views
7. Which of the following is not a characteristic of a good field trial or hunting test dog?A. Finding birds or other game B.
1. 1 answer
2. asked by Anonymous
3. 480 views
12. Which of the following statements is false?A. In a hunting test, a dog competes against a standard of perfection rather than
1. 1 answer
2. asked by Anonymous
3. 679 views
19. Which of the following is a reason for dismissing a dog from a lure coursing event?A. Interfering with the run of another
1. 1 answer
2. asked by Anonymous
3. 621 views
Which foods hinder the absorption of less absorbable forms of irons in foods, such as whole grains, dried peas or beans?A.
1. 0 answers
2. asked by EMMA
3. 602 views
20. Which Best of Breed winner may not compete for Best in Field in lure coursing events?A. Greyhound B. Italian Greyhound C.
1. 1 answer
2. asked by Anonymous
3. 582 views
What are at 10 least factors which have influenced healthcare?
1. 1 answer
2. asked by Angel
3. 403 views
Hi there, I am stuck on some Grammar questions, and need some help.1. When are you having Jamie's surprise party? A. "When are
1. 6 answers
2. asked by N.
3. 929 views
The acceleration of a perticle as it moves along a straight line is geven by a=(2t-1) m/s2. If x=1m and v=2m/s when t=0s,
1. 2 answers
2. asked by Dynamics Problems
3. 3,884 views
An aptitude test has a mean of 300 and a standard deviation of 40. The test scores are normally distributed. If 1000 people take
1. 1 answer
2. asked by Shelagh
3. 672 views
Assume a data set is normally distributed with mean 11 and standard deviation 3. If the data set contains 30 data values,
1. 0 answers
2. asked by Shelagh
3. 638 views
Assume a data set is normally distributed with mean 182 and standard deviation 30. If the data set contains 600 data values,
1. 1 answer
2. asked by Shelagh
3. 631 views
Determine whether a correlation coefficient of r = 0.471 is significant at the 5% level for a sample size of 20.
1. 0 answers
2. asked by Shelagh
3. 457 views
Find the area under the normal distribution curve between z = –0.10 and z = 3.20.
1. 1 answer
2. asked by Shelagh
3. 620 views
I need help choosing between the correct words.1. Mastery of English rules (lead, leads) to improvement in speaking and writing.
1. 1 answer
2. asked by N.
3. 538 views
Find the area under the normal distribution curve between z = 0 and z = –0.35.
1. 0 answers
2. asked by Shelagh
3. 484 views
Find the area under the normal distribution curve between z = 0 and z = 3.20.
1. 0 answers
2. asked by Shelagh
3. 439 views
Find the area under the normal distribution curve between z = 0.35 and z = 2.95.
1. 1 answer
2. asked by Shelagh
3. 1,540 views
Find the area under the normal distribution curve to the left of z = –1.50.
1. 1 answer
2. asked by Shelagh
3. 1,435 views
Find the area under the normal distribution curve to the left of z = 2.35.
1. 1 answer
2. asked by Shelagh
3. 2,758 views
Find the value for the correlation coefficient r.x - 21 30 25 24 29 y - 49 41 31 36 39
1. 0 answers
2. asked by Shelagh
3. 405 views
Suppose the average size (in square feet) of homes in a certain region is 1747. Assume the variable is normally distributed with
1. 0 answers
2. asked by Shelagh
3. 501 views
The average amount customers at a certain grocery store spend yearly is $784.39. Assume the variable is normally distributed. If
1. 0 answers
2. asked by Shelagh
3. 541 views
The average hourly wage of employees of a certain company is $14.58. Assume the variable is normally distributed. If the
1. 1 answer
2. asked by Shelagh
3. 570 views
A boat sails 40km from point A to point B, east of A on a lake. Lodge P is south of point A. Another lodge Q is south of point
1. 1 answer
2. asked by Christopher
3. 740 views
Use the equation of the regression line to predict y when x = 20.x - 5 8 6 10 12 9 y - 18 20 15 25 30 25
1. 0 answers
2. asked by Shelagh
3. 543 views
Use the equation of the regression line to predict y when x = 11.x - 2 4 3 5 1 y - 9 12 11 14 6
1. 0 answers
2. asked by Shelagh
3. 454 views
The average hourly wage of employees of a certain company is $14.24. Assume the variable is normally distributed. If the
1. 3 answers
2. asked by Shelagh
3. 641 views

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