Hello here is a solution :
<span>3x + 5y = 78 .... (1)
2x - y = 0 ... (2)
from (2) : y = 2x
in (1) : 3x+5(2x) =78
13x = 78
x= 6
but : y =2x y=2(6) = 12
answer : x=6</span>
Answer:
[C] 2
Step-by-step explanation:
You put it like this
4x+37= x+10
Then subtract x from both sides
3x+37= 10
Then subtract 37 from both sides
3x=-27
then you divide by 3
x=-9
<em>Theeeeeeeeeeeeeeen</em>
More work ahahah
you put both equations like this
4x+37+x+10
Combine like terms
5x+47
then substitute -9 for x
5(-9) +47
-45+47
=2
Work is attached in the image provided.
Answer:
88 ft^2
Step-by-step explanation:
To find the surface area of a rectangular figure
SA = 2(lw+lh+hw)
where l=length, w= width, h = height
let l=6, h=2, w=4
SA = 2(lw+lh+hw)
= 2 (6*4+ 6*2+ 2*4)
=2 (24+12+8)
=2 (44)
= 88
SA = 88 ft^2
