Pls help me with my homework

Mathematics

1 answer:

rodikova [14]2 years ago

5 0

Answer:

Yes

Step-by-step explanation:

It is a right triangle. If a(57) squared plus b(76) squared equals c(95) squared, it is a right triangle

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The diagnosis of a square are a.perpendicular

makkiz [27]

Answer

The correct answer is B

Step-by-step explanation:

It is B because squares don't intersect so it cant be a

They are always congruent and equal so not c or d it has to be B

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3 years ago

An urban planner is researching commute times in the San Francisco Bay Area to find out if commute times have increased. In whic

Mademuasel [1]

Answer:

Step-by-step explanation:

The urban planner collects travel times from a random sample of 125 commuters in the San Francisco Bay Area. A traffic Study from last year claimed that the average commute time in the San Francisco Bay Area is 45 min. The urban planner will see if there is evidence the average commute time is greater than 45 minutes

( Here in this case, Null hypothesis will be Η :μ = 45

And the Alternate Hypoyhesis will be H, :μ> 45 )

C. The urban planner asks a random Sample of 100 commuters in the San Francisco Bay Area to record travel times on a Tuesday morning. One year later, the urban planner asks the same 100 commuters to record travel times on a tuesday morning . The urban planner will see the difference in commute time shows an increase.

Here in this case the null hypothesis will be, H₀ : $\mu _d$ = 0