jemshad
jemshad
28-08-2014
Mathematics
Answered
a+b=240
c+d=500
d-b+c=455
a+c=215
d?
Answer :
crisforp
crisforp
28-08-2014
a+b=240 => - a - b = - 240; but, a+c=215 => -b + c = -240 + 215 = - 35; but,
d-b+c=455 => d = 455 + 35 => d = 490.
Answer Link
VIEW ALL ANSWERS ( 27+ )
Other Questions
The perimeter of a rectangular field is 344 yards. If the width of the field is 74 yards, what is its length
the population of ages at inauguration of all us presidents who had professions in the military is 62,46, 68,64,57. why does it not make sense to construct a hi
What is realpolitik?
In 1787, delegates met in Philadelphia. They came from all of the 14 states except?
What is realpolitik?
Luisa mows lawns during the summer. She charges $15 if she cuts the grass but charges $5 more if she also trims the grass. Last week she trimmed 5 more yards
In photosynthesis, water undergoes ______ while carbon dioxide undergoes ________a. oxidation .... reductionb. reduction .... oxidationc. no change ....
if 283 is divided by 4 where should the first digit of the quotient be placed
a basket of laundry is being separated. Divide 48 pieces of clothing into 2 groups so that the ratio is 1:3
Describe how energy and matter move through the food web and carbon cycle