Answer:
{x,y} = {5,8}
Step-by-step explanation:
[1] 7x-3y+5=16
[2] 4y=3x+17
[1] 7x - 3y = 11
[2] -3x + 4y = 17
// Solve equation [2] for the variable y
[2] 4y = 3x + 17
[2] y = 3x/4 + 17/4
// Plug this in for variable y in equation [1]
[1] 7x - 3•(3x/4+17/4) = 11
[1] 19x/4 = 95/4
[1] 19x = 95
// Solve equation [1] for the variable x
[1] 19x = 95
[1] x = 5
// By now we know this much :
x = 5
y = 3x/4+17/4
// Use the x value to solve for y
y = (3/4)(5)+17/4 = 8
You have to add the like terms in the equation
These like terms are 8q^2 and 7q^2 because they both share q^2
The other like terms are -5q and -8q because they both have ‘q’
So add them and then add extra numbers (the 10) to the equation
Hope this helps xo
Answer:
Step-by-step explanation:
49 13/14.....this is a mixed fraction...it is a whole number and a fraction combined. The only thing u can do with this is turn it into an improper fraction...it cannot be " just " a whole number.....unless u want it rounded to a whole number ?
Find the perimeter of a picture first.
width = 7 1/2 = 15/2 in
length = 8 in
perimeter = 2(width) + 2(length)
p = 2(15/2) + 2(8)
p = 15 + 16
p = 31 in
next, find the perimeter of border.
p = 4(1 1/4)
p = 4(5/4)
p = 5 in
perimeter of picture with border = 31 + 5 = 36 in
