The grades in a university are calculated as follows: 30% from class assignments, 35% from the final exam, and 359 scores 75 out of 100 in class assignments, 65 out of 100 in the final exam, and 72 out of 100 in the field project, what is the average score?
ОА.
68.40%
OB.
70.4596
O c.
70.6696
OD.
74.2096
O E.
74.84%
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pi x^2

step-by-step explanation:

pi times x squared

system of linear equation

step-by-step explanation:

as given in the data

a= 20 , b= -12

let us suppose that it is a straight line equation

now we know the formula for the system of linear equation

b= ma + c )

here m is slope of a straight line which is equal to formula

m=   (ii)

and here c is a constant

now putting the value of a and b in equation (ii)

m=

m=

putting the value of a,b and m in equation (i) gives us

-12 = + c

-12=-12 + c

adding 12 to both sides

-12 +12 = -12 +12 +c

0 =c

or c=0

as the value of the constant is zero which gives us that it is a linear equation and this order pair satisfies the system of linear equations.

this is a good question! i’ll do some research and what i find, i’ll contact you asap when i have something! ✊