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3 years ago

If you answer 15 phone calls Monday, 23 on Tuesday, and 18 on Wednesday, how many phone calls have you answered this week?

Mathematics

2 answers:

Ksju [112]3 years ago

7 0

234...........................

Rom4ik [11]3 years ago

5 0

Answer: The answer is 56.

Step-by-step explanation: Given that we have answered 15 phone calls on Monday, 23 phone calls on Tuesday and 18 phone calls on Wednesday. We are to find the total number of phone calls that we have answered this week.

The total number of calls is the sum of the number of calls answered on Monday, Tuesday and Wednesday.

Therefore, the total number of phone calls answered is given by

$C_n=15+23+18=56.$

Thus, the answer is 56.

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A population is normally distributed with mean 18 and standard deviation 1.7. (a) Find the intervals representing one, two, and

elena55 [62]

Answer:

Interval within 1 standard deviation: (16.3,19.7)

Interval within 2 standard deviation: (14.6, 21.4)

Interval within 3 standard deviation: (12.9, 23.1)

Step-by-step explanation:

We are given the following in the question:

Population mean, $\mu$ = 18

Standard deviation, $\sigma$ = 1.7

We have to find the following intervals:

Interval within 1 standard deviation:

$\mu \pm 1\sigma\\=18 \pm 1.7\\=(16.3, 19.7)$

Interval within 2 standard deviation:

$\mu \pm 2\sigma\\=18 \pm 2(1.7)\\= 18 \pm 3.4\\=(14.6,21.4)$

Interval within 3 standard deviation:

$\mu \pm 3\sigma\\=18 \pm 2(1.7)\\= 18 \pm 5.1\\=(12.9,23.1)$

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4 years ago

Grayson's retirement party will cost $60 if he invites 10 guests. If there are 86 guests, how much will Grayson's retirement par

BlackZzzverrR [31]

Answer:

Grayson's party will cost $516.

Step-by-step explanation:

Start with putting a unit rate for money per person

60/10

Divide by 10

6/1 (6$ per person)

Then multiply by 86 (# of guests attending)

86 x 6 = 516

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2 years ago

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Luden [163]

Answer:

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we have,

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3 years ago

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Daniel [21]

C

It would also be in Quadrend 1

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3 years ago

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