The solution for given linear equation systems is (3,-4).
Option: C
<u>Step-by-step explanation:</u>
The given equations are 5x+3y=3 and x+y= -1.
Let us isolate x value from equation 5x+3y=3.
5x = 3-3y.
.
Substitute this x value in equation x+y= -1.
.
After taking LCM for the denominator,
.
3-3y+5y=-5.
2y=-8.
y=-4.
For substitute the y value.
.
.
.
x=3.
∴ The solution is (3,-4).
<span>(5 x 0.001) 0.172 (1 x 0.1) + (7 x .01) + (2 x 0.001)</span>
Answer: 75 square
Explanation:
Width is X
Length is 3x
Every rectangle has 2 equal widths x 2 equal lengths
Perimeter is 2x + 2(3x) = 40
X = 5
Width is now 5in
Length is now 15in
Area is 75in^2
Half of a perimeter is length + width, which equals to 20in
4x = 20, CX = 5
= 75 sq
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Answer:
-20w+15s-5
Step-by-step explanation:
-5*4w= -20w
-5*-3s= 15s
-5*1= -5
