Replace ∆ with a variable and solve.
Also it's no solution
Step-by-step explanation:
9v-4v+7v
= 5v+7v
= 12v
The answer is 12v
Answer:Maria rate = 1/13 job/hr
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Felipe rate = 1/16 job/hr
----
Together rate = 1/x job/h
Step-by-step explanation: rate + rate = Together rate
1/13 + 1/16 = 1/x
----
16x + 13x = 13*16
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29x = 13*16
x = 7.17 hrs = 7 hr 10 min 12 seconds (time to do the job together)
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Cheers,
Rubberduck100000.
Answer:
a = -19
b = -35
c = -180
d = -81
Step-by-step explanation:
6 + 21 = 27 (Add six ones)
60 + 21 = 81 (Add six tens)
I hope this helps:)
I'm sorry if it doesn't:(