3 years ago

What is 2 1/3*5????????

Mathematics

1 answer:

Mariana [72]3 years ago

3 0

The answer is 11.66 or 11.67 depending on how you round the decimal

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Charles is 45 years old, and makes $40,000 per year. If he were to die, how

AleksandrR [38]

Answer:

Oh, how morbid these interest problems are.

Are you asking how much they would recieve in a year?

If so:

40000/100=400

400*60=$24000 a year

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3 years ago

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|x - 7| - |x - 2| = 3

rewona [7]

|x-7| - |x-2| = 3

x = 3

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2 years ago

The sum of1/2 and 1/5 is between 1/2 and 1?

KATRIN_1 [288]

Answer:

the answer is 7/10, and yes it is between a whole and a half because 7/10 is over 1/2 but less that a whole.

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3 years ago

A random sample of 45 door-to-door salespersons were asked how long on average they were able to talk to the potential customer.

dimulka [17.4K]

Answer:

b. =8.5+1.96*3/SQRT(45), and =8.5-1.96*3/SQRT(45)

Step-by-step explanation:

Sample size (n) = 45

Sample mean (M) = 8.5 minutes

Variance (V) = 9 minutes

Z-score for a 95% confidence interval (z) = 1.96

A confidence interval is defined by the following expression:

$M\pm z\sqrt{\frac{V}{n} }$

Applying the given data:

$8.5\pm 1.96\sqrt{\frac{9}{45} }\\8.5\pm 1.96\frac{3}{\sqrt 45}$

Writing in Excel statements, the limits of the interval would be

=8.5+1.96*3/SQRT(45), and =8.5-1.96*3/SQRT(45)

Therefore, the answer is alternative b.

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3 years ago

8*8/4*4+2<br> Plzzzzzz Helppppppp

Pachacha [2.7K]

Answer:

Step-by-step explanation:

32/9

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2 years ago

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