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Effectus [21]
3 years ago
5

Please help with the answer

Mathematics
1 answer:
lbvjy [14]3 years ago
7 0

Sum of one-sided angles is 180°

(16x+2)^\circ+(45x-5)^\circ=180^\circ\\(61x)^\circ=183^\circ\\ \\ x=3

Sum of two adjacent supplementary angles = 180 .


(26y)^\circ+(16x+2)^\circ=180^\circ\\ (26y)^\circ+(16\cdot3+2)^\circ=180^\circ\\ (26y)^\circ+50^\circ=180^\circ\\ (26y)^\circ=130^\circ\\ y=130^\circ:26^\circ\\y=5



Answer: x=3 and y = 5.

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Cara and Jena, working together, can clean the house in 4
kirill115 [55]

Answer:

\frac{4}{3}hrs/house

Step-by-step explanation:

Rate is the amount of work done per unit of time;

  Let Cara's rate  = C

   Let Jena's rate  = J

        C + J  = 4  ------ i

Now;

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             J = 2C

        C + 2C = 4

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              C = \frac{4}{3}hrs/house

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Eva8 [605]
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