Answer:
x=7, y=10. (7, 10).
Step-by-step explanation:
9x-5y=13
-4x+5y=22
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5x=35
x=35/5
x=7
9(7)-5y=13
63-5y=13
5y=63-13
5y=50
y=50/5
y=10
Answer:
you need to explain more of what you are wanting me to do befor I can answer this question
Since it's a simple interest, that means yo will apply the following formula:
I=Prn Where I = Amount of interest earned, P=initial capital, r, the rate or interest
$426 = $1200 x 5 years x r interest ,Calculate r:
426 = 1200 x 5 x r===> 426 = 6000 r; divide both sides by 6000
426 / 6000 = 6000 r / 6000 ==> ==> r= 0.071 or 7.1% This is the answer
Answer:
? = 105
Step-by-step explanation:
180 - 80 - 25 = 75
180 - 75 = 105