Answer:
Step-by-step explanation:
13x-6y=10 (1,4)
x=1 y=4
⇒ 13*1-6*4=10
⇒ 13-24=10
⇒ -11≠10
⇒ (1,4) isn`t solution of the equation y=13x-6y
y=-3|x-5|+1 (1,-11)
x=1 y=-11
-11=-3|1-5|+1
-11=-3|-4|+1
-11=-3(4)+1
-11=-12+1
-11≡-11
⇒ (1,-11) is solution of the equation y=-3|x-5|+1
Answer:
1. y = 5
2. y = 15
Step-by-step explanation:
Answer:
$57.60
Step-by-step explanation:
20% turns into a decimal .20
72*.20 =14.40
72.00-14.40 = $57.60
Answer:
31.5
Step-by-step explanation:
Area of a rectangle = lw
Substitute: 7*3 = 21
Area of a Triangle = 1/2*bh
Substitute: 1/2*(3)(7) = 10.5
Area = 21 + 10.5 = 31.5
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