Round 7.21 divided by 7 to the nearest tenth

1 answer:

8 0

1 is the answer.

The exact answer is 1.03, but we have to round it to the nearest tenth which is 0 because 3 is less than 5.

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At winds speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. Wind speeds below 100

alisha [4.7K]

Answer:

Lower limit = 1007.95 cm/s

Upper limit = 1142.05 cm/s

Step-by-step explanation:

We have to calculate a 95% CI with population's standard deviation known.

The sample is size n=60, with mean M=1075.

The confidence interval can be expressed as:

$M-z*\sigma/\sqrt{n} \leq\mu\leq M+z*\sigma/\sqrt{n}$

For a 95% CI, the value of z=1.96.

$1075-1.96*265/\sqrt{60} \leq\mu\leq 1075+1.96*265/\sqrt{60} \\\\1075-67.05 \leq\mu\leq 1075+67.05\\\\ 1007.95 \leq\mu\leq 1142.05$

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3 years ago

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natta225 [31]

Answer:

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Step-by-step explanation:

Please see the attached picture for full solution

6 0

2 years ago

PLEASE HELP IM STUCK. <br><br> List the factors of the third term: 6n^3-n^2+5n/8-11

mafiozo [28]

Answer:

The factors for 5 are going to be 1 and 5 or their negative counterparts, since no other whole number within the range of 5 can be multiplied to get 5.

Make sense?

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2 years ago

What is 44.84 times 9.84 =<br> what is 88.6 times5.01

slega [8]

44.85 * 9.84 = 441.2256

88.6 * 5.01 = 443.886

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2 years ago

Is it linear or non linear?

Keith_Richards [23]

Linear is correct credit to the person above

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2 years ago