3 years ago

TEST

Mathematics

1 answer:

Anika [276]3 years ago

7 0

Answer:

I'm not sure

Step-by-step explanation:

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Tommy has up to $100 to spend on shoes. if each pair of shoes costs an average of $26, what are the possible numbers of pairs of

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100/26=3.85
The most he can buy is 3 pairs

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21 22 23 24 25 The function f(x) is shown on the graph. What is f(0)? 0 only –6 only –2, 1, 1, and 3 only –6, –2, 1, 1, and 3 on

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Your medical research team is investigating the standard deviation of the cost of a 30-day-supply of a certain heart medication.

Valentin [98]

Considering the situation described, the hypothesis tested are given as follows:

The null hypothesis is $H_0: \sigma \geq 23$

The alternative hypothesis is $H_1: \sigma < 23$

<h3>What are the hypothesis tested?</h3>

At the null hypothesis, it is tested if the standard deviation is not less than $23, that is:

$H_0: \sigma \geq 23$

At the alternative hypothesis, it is tested if there is significant evidence t conclude that the standard deviation is less than $23, that is:

$H_1: \sigma < 23$

More can be learned about an hypothesis test at brainly.com/question/26454209

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A bike rental company charges a four dollar rental fee +2 dollars per hour. Selena paid 12 dollars to rent a bike. How long did

elena55 [62]

The base fee is 4 dollars, and the thing the at changes is x or the hours so the equation is 4 + 2x equals 12. and to solve for x we have to first subtract both sides by 4, getting 2x equals 8 then we divide both sides by 2 to get x equals 4 or 4 hours

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