Please help with this math question I really need to do this test before I fail thank you!!

Mathematics

2 answers:

MA_775_DIABLO [31]3 years ago

6 0

Answer:

G 1/5

Step-by-step explanation:

3/15 - > 1/5

The no.of sports t-shirts divided by the total t-shirts

aleksandr82 [10.1K]3 years ago

4 0

Answer:

G- 1/5

Step-by-step explanation:

When doing probability questions, you want to take the amount of what you are looking for and put it over the total. In this case, the total amount of t-shirts would be 15. If we are looking for the sports t-shirts, the fraction would be 3/15, which then simplifies down to 1/5.

Hope this helps! :)

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The initial cost to drill a well is $210000. the daily rate to operate the well is $500. The current selling price is $65 per ba

SVETLANKA909090 [29]

Hi there!

There is an initial cost of $210,000 (which you're just going to pay once)

Then it costs $500 per day to operate.

The number of days is represented by "x".

Your equation in function notation should look like this :

f(x) = 500x + 210,000

There you go! I really hope this helped, if there's anything just let me know! :)

8 0

3 years ago

A Cell Phone company sells cellular phones and airtime in a State. At a recent meeting, the marketing manager states that the av

GarryVolchara [31]

Answer:

The null hypothesis is rejected.

There is enough evidence to support the claim that the average age of the customers differs from 40 years.

The sample does not support the manager claim (the average age seems to differ from 40 years).

Step-by-step explanation:

This is a hypothesis test for the population mean.

The manager claims that the average age of customers is 40 years. As this is an equality, we will test if the average age differs from 40. If the null hypothesis failed to be rejected, the claim of the manager is right.

Then, the claim is that the average age of the customers differs from 40 years.

Then, the null and alternative hypothesis are:

$H_0: \mu=40\\\\H_a:\mu\neq 40$