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In-s [12.5K]
3 years ago
14

Waiting times​ (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wa

it in individual lines at three different teller windows are listed below. Find the coefficient of variation for each of the two sets of​ data, then compare the variation.
Bank A​ (single line) Bank B​ (individual lines)

6.5 4.3
6.6 5.3
6.6 5.8
6.8 6.2
7.0 6.7
7.3 7.7
7.4 7.7
7.7 8.4
7.7 9.2
7.8 9.9
Mathematics
1 answer:
victus00 [196]3 years ago
8 0
Ghdxvdhusiababsidjwbsifkdnsjcidnbsickdbs
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Is this question dealing with surface area or volume?? <br><br> (Don’t mind the w•l•h)
marin [14]

Answer:


Step-by-step explanation:

First you must find the number of cubic feet in the pool. (That's volume)

Formula

V = l*w*h

Givens

  • l =38
  • w = 22
  • w = 8

Solution

<em><u>Volume</u></em>

V = 38 * 22 * 8

V = 6688 cubic feet.

<em><u>Gallons</u></em>

1 cubic foot = 7.5 gallons

6688 ft^3 = x

<em><u>Proportion</u></em>

1/6688 = 7.5 / x                Cross Multiply

x * 1 = 7.5 * 6688

x = 50160 gallons

4 0
3 years ago
Which of the following algebraic expressions can be used to express the statement "three less than z squared?"
Citrus2011 [14]
"<span>z˄2 − 3" because x squared is z^2, and 3 less of it would mean to subtract it from 3</span>
6 0
3 years ago
The sum of 3 times a number and 6 is 8.
Anastaziya [24]

Answer:

The number is 4/9

Step-by-step explanation:

3(6*(4/9))=3*(2+(2/3))=8

7 0
3 years ago
Read 2 more answers
OT bisects ∠DOG. Find the measure of ∠DOG if ∠DOT = 4x + 4 and ∠TOG = 5x – 3
g100num [7]

Answer:

\huge\boxed{64^o}

Step-by-step explanation:

If OT is bisects ∠DOG, then m∠DOT = m∠TOG. Therefore

4x+4=5x-3    |<em>subtract 4 from both sides</em>

<em />4x+4-4=5x-3-4\\\\4x=5x-7<em>|subtract 5x from both sides</em>

<em />4x-5x=5x-5x-7\\\\-x=-7<em>|change the signs</em>

<em />x=7<em />

Calculate the measure of ∠DOG

m∠DOG = 2(m∠DOT)

m\angle DOG=2(4\cdot7+4)=2(28+4)=2(32)=64

6 0
3 years ago
The lowest temperature ever recorded in the U.S. was - 79.8 degrees Fahrenheit in Prospect Creek, Alaska. Which of the following
BabaBlast [244]

Answer:

D

Step-by-step explanation:

Negative numbers are less than zero.

3 0
3 years ago
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