two systems of equations are giving below for each system choosethe best description of its solution if applicable give solution x+4y=8 -x-4y= -8 choose which one this problem fit in 1)the system has no solution 2) the system has a unique solution (x,y)= or the system has a ...
March 7, 2013
One way to disconfirm the scientific hypothesis that chickens cannot fly would be to ask someone. look very hard for a chicken that can fly. simply assert that chickens can fly. simply assert that chickens cannot fly.
September 11, 2011
If I move to Texas, I will need air conditioning. I don't need air conditioning. So I didn't move to Texas" is an argument form known as (Points : 1) modus ponens. modus spumoni. modus operandi. modus tollens.
September 11, 2011
imagine a flat, lightweight wheeled cart that's low to the ground and has well-oiled bearings. what would happen if you approached the cart, stepped onto it, and walked along its length at a constant speed? it would a) remain nearly stationary b) advance along with you c) ...
April 10, 2011
a stone is tied to the end of a string and is swung with a constant speed around a horizontal circle with a radius of 1.5m. if it makes two complete revolutions each second, what is the magnitude of its acceleration? i know the answer, but i don't know how to get it. thank...
April 9, 2011
A car travels along the curved path with radius of curvature p= 30m such that its speed is increased by at = (0.5e^t) m/s^2, where t is in seconds. determine the magnitudes of its velocity and acceleration after the car has traveled s = 18m starting from rest. neglect the size...
April 5, 2011
I have tried this problem a few ways, and I am getting frustrating results. Could you help me out by showing me how to set the systems of equations Two angles are complementary The sum of the measure of the first angle and 1/4 the second angle is 82.5. Find the measure of the...
December 20, 2009
Are you sure that the sigh does not change In the second problem? I thought that when you divide by neg then the signs switch? My instructor told me that the first one was wrong, so I kept going over it and over it, and she insists that it is wrong, unless she wants me to use ...
December 20, 2009
The formula R= - 0.075 + 3.85 can be used to predict the world record in the 1500 meter run, t years after 1930. Determine an inequality that identifies the years in which the world record will be less than 3.4 minutes. Solve for T t > (Round to the nearest whole number)
July 23, 2009
Arrange the fractions in order from smallest to largest. , , , 5/8,3/4,9/16,7/8 Add. Write the answer in lowest terms. 3 2/7 + 5 3/7 Subtract. Write the answer in lowest terms. 6 4/5 - 2 1/5 Evaluate. Write the answer in lowest terms. 8/15-4/15+1/15 Add. Write the answer in ...
March 26, 2009
lula wants to round 76.24491 to the nearest hundredth. she first rounds 76.24491 to 76.245 and then rounds 76.245 to 76.25 and claims that this is the final answer. what went wrong with this approach.
March 21, 2009
Examples of positive, negative and neutral friction? We always learned about friction as either being positive (tires gripping the road, brake friction for stopping etc.) or negative friction (causing wear or heat as in a bearing or engine due to parts moving against each ...
March 16, 2008
The interest rate were zero under the old government.The GDP is $700 and at that time people kept a total of $120 in cash stored as well as %50 worth of bonds. However, under new government the interest rate has risen to 36%. On average, cash is used five times in a year to ...
April 24, 2007
Can someone help me with this question pls.. A country has a factory and build two bulldozers at a total cost of $320. The country also know that due to the miscalculation of demand, the factory had been unable to sell some of its output of baked cheesecake, causing stocks of ...
March 20, 2007
I need to do a report on miscegenation. I need to know: the beginning of these laws, what the law states (past & Present), the punishment given to those who broke them, and the abolishment of these laws. Please can someone give me a website to look up information I tried to ...
November 12, 2006
What role does nitrogen play in plant growth http://www.google.com/search?as_q=%22plants+use+nitrogen+to%22&num=10&hl=en&btnG=Google+Search&as_epq=&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occt=any&as_dt=i&as_sitesearch=&as_rights=&safe=images it ...
October 22, 2006
If you were going on vacation to New Zealand in December......... What would you pack??? THANKS FOR HELPING!!!!!!! Since December is wintertime in the northern hemisphere, it's summer in the southern hemisphere, where New Zealand is -- so pack for summer. http://www....
October 5, 2006
What are 3 essential things that an observational report must have in order to be scientific???? HELPPPPP!!!!!!!!! I'm not sure what you are asking. However, I will try to answer your question. I am assuming that you are not referring to a classical experiment. You need to...
October 2, 2006
Math HURRY !!!!!!!!
hOW DO YOU FIND OUT IF YOU HAVE A PROFIT !!!!!!!!!!!!!! Find out the gross income (all income) and subtract the expenses. The result is net income or profit. http://www.answers.com/topic/profit =)
October 2, 2006