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marin [14]
3 years ago
6

Please help me on this thank you so much

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0
I believe the answer is B because you multiply 18 and 40 then subtract 320 from that and you will 400.
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g Make a decision about the given claim. Use only the rare event​ rule, and make subjective estimates to determine whether event
vagabundo [1.1K]

Answer:

There is not sufficient evidence to support the claim.

Step-by-step explanation:

The claim to be tested is:

The mean respiration rate (in breaths per minute) of students in a large statistics class is less than 32.

To test this claim the hypothesis can be defined as follows:

<em>H₀</em>: The mean respiration rate of students is 32, i.e. <em>μ</em> = 32.

<em>Hₐ</em>: The mean respiration rate of students is less than 32, i.e. <em>μ</em> < 32.

The sample mean  respiration rate of students is 31.3.

According to the claim the sample mean is less than 32.

The sample mean value is not unusual if the claim is true, and the sample mean value is also not unusual if the claim is false.

Thus, there is not sufficient evidence to support the claim.

7 0
3 years ago
Which expression is equivalent to
mojhsa [17]

First choice: m^32n^16

Hope this helps!

6 0
3 years ago
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Brent is saving for a computer that is $840. He will also need to pay a 6% sales tax. What is the total cost of the computer aft
Kobotan [32]

Answer:

$890.4

Step-by-step explanation:

840 + .06(840)

840 + 50.4

890.4

5 0
3 years ago
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PLEASE HELP ME!!!!! THIS IS TIMED PLEASE HELP!!
antiseptic1488 [7]

Answer:

20 I think I hope it is correct

8 0
3 years ago
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What is the area, in square units, of the parallelogram shown below? A parallelogram ABCD is shown with height 7 units and base
Masja [62]

Answer:

35 units

Step-by-step explanation:

because the area of a parallelogram is base times height so its 7 times 5 which is 35

plz mark as brainliest

8 0
3 years ago
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