pandu444
pandu444 pandu444
  • 03-12-2017
  • Mathematics
contestada

Can some help with question 18 and an explanation please?? 20 points

Can some help with question 18 and an explanation please 20 points class=

Respuesta :

tynollette tynollette
  • 03-12-2017
J=C+12
C=E+12
E=I+12
J+C+E+I=124
Substitute every unknown with C since C is the one we need to answer:

J=C+12
C=E+12 =>E=C-12
E=I+12 =>C-12=I+12 =>I=C-24
Now substitute 
J+C+E+I=124
(C+12)+C+(C-12)+(C-24)=124
4C-24=124
4C=148
C=37
Answer Link

Otras preguntas

Statisticians who specialize in estimating the probability of death based on personal characteristics are called:________
Which quotation develops the concept that the white man was a negative influence on the Indians? surrdener
A capital-intensive country exports products that are capital intensive. which theory is this an example of?
What is the molality of a solution containing 3. 0 moles of nacl and 100. 0 moles of water?
An average value for the salinity of seawater could be (pick the best choice) _______
A 500-ml glass beaker is filled to the brim with ethyl alcohol at a temperature of 5. 00ºc. how much will overflow when its temperature reaches 22. 0ºc?
N1=731pˆ1=0. 33 n2=644pˆ2=0. 28 use this data to find the 90onfidence interval for the true difference between the population proportions
What is the range of the following set? 28, 45, 12, 34, 36, 45, 19, 20 A. 33 B. 57 C. 45 D. 8
In the carbon cycle, carbon dioxide and water are converted to glucose and oxygen by ________
An easy-to-use decision support system that specifically supports strategic decision making is a(n) ________ system