Answer:
1 Chair= $1.25 1 table= $8.25
Step-by-step explanation:
5c+3t=31
2c+6t= 52
-2(5c+3t=31)
-10c-6t=-62
+
2c+6t=52
= -8c=-10
/-8 /-8
c= 1.25 or 1 1/4
2c+6t=52
2(1.25)+6t=52
2.5+6t=52
-2.5 -2.5
6t= 49.5
/6 /6
t= 8 1/4
Answer:
x = 
Step-by-step explanation:
Given
z = xy ( isolate x by dividing both sides by y )
= x
Answer:
The answer is 600 minutes (10 hours)
Step-by-step explanation:
20 minutes = 1 student.
30 students x 20 = 600 minutes
600mins / 60 (because an hour has 60 mins) = 10 hours.
Answer:
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Step-by-step explanation:
Answer:
u use cosine
and then some proportion
i am 60% sure
dont trust me
i learned this a week ago and now i forget it all help me study for the quiz i have on this tmrw?