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lapo4ka [179]
2 years ago
12

In the figure, PMQ, PNR, MOR and NOQ are straight lines. It is given that  △PQN ≅ △PRM. Find x and y.​

Mathematics
1 answer:
defon2 years ago
8 0
PRM +MPR+PMR=180。(angle sum of triangle)
70。+35。+PMR=180。
PMR=75。
x+PQR=180。(angle on straight line)
x=105。

MQO=QOM
QMO+2MQO=180。(angle sum of triangle)
105+2MQO=180。
MQO=37.5。

MQO+y+MPN=180。(angle sum of triangle)
37.5+70+y=180。
y=72.5
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Step-by-step explanation:

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3 years ago
sal makes a 10% commission on the first $5000 of sales and 15% on any sales over $5000. find his total graduated commission on $
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3 years ago
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NeTakaya

Answer:

It will take nine years and four months for the refrigerator to pay for itself.

Step-by-step explanation:

The new refrigerator which costs $1200, saves the family 22% annually in energy cost.

Since the old refrigerator costs $580 to run, we want to determine how many years it will take for 22% of $580 per year to make $1200.

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2 years ago
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Step-by-step explanation:

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