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Zigmanuir [339]
3 years ago
7

What two numbers have a sum of 217 and a difference of 85?

Mathematics
1 answer:
Setler [38]3 years ago
8 0

Answer:

the two numbers are 151 and 66

Step-by-step explanation:

x+y =217

x-y = 85

add the two equations

x+y =217

x-y = 85

-------------

2x = 302

divide by 2

2x/2 = 302/2

x = 151

now find y

x+y =217

151+y =217

subtract 151 from each side

y = 217-151

y =66

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Consider the population regression of log earnings [Yᵢ, where Yᵢ= ln(Earningsᵢ)] against two binary variables:
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Answer:

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Step-by-step explanation:

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The provided regression equation is:

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Leokris [45]

Answer:

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Step-by-step explanation:

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