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alekssr [168]
3 years ago
8

When I use 14 cat lovers to pet 350 cats, it takes 15 days. How long would it take to pet 480 cats if I use 18 cat lovers?

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0
I think it would take 16 days

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The sales of lawn mowers t years after a particular model is introduced is given by the function y = 5500 ln (9t + 4), where y i
alexandr402 [8]

Answer:

22,332

Step-by-step explanation:

Put 6 where t is in the equation and do the arithmetic.

... y = 5500 ln(9·6 +4) = 5500 ln(58) ≈ 22,332

3 0
3 years ago
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You ate 2⁄3 of the pizza. How many twelfths is that?
Kipish [7]
You would multiply 2x4 and 3x4 and it would be 8/12 so that leaves you with 4 twelths left.
5 0
3 years ago
The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The
zavuch27 [327]

The standard deviation of the frequency distribution is 5.54

<h3>How to determine standard deviation?</h3>

The table of values is given as:

x     f(x)

0-3 13

4-7  13

8-11 10

12-15 11

16-19 0

20-23 3

Rewrite the table by calculating the class midpoints:

x     f(x)

1.5 13

5.5  13

9.5 10

13.5 11

17.5 0

21.5 3

Start by calculating the mean using:

\bar x = \frac{\sum fx}{\sum f}

This gives

\bar x = \frac{1.5 * 13 + 5.5 * 13 + 9.5 * 10 + 13.5 * 11 + 17.5 * 0 + 21.5 * 3}{13 + 13 + 10 + 11 + 0 +3}

Evaluate

\bar x = 7.98

The standard deviation is then calculated as:

\sigma = \sqrt{\frac{\sum f(x - \bar x)^2}{\sum f }}

So, we have:

\sigma= \sqrt{\frac{13 * (1.5 - 7.98)^2 + 13  * (5.5 - 7.98)^2 + (9.5 - 7.98)^2 * 10 + (13.5 - 7.98)^2 * 11 + (17.5 - 7.98)^2 * 0 + (21.5 - 7.98)^2 * 3}{13 + 13 + 10 + 11 + 0 +3}}

Evaluate

\sigma= \sqrt{30.6496}

Solve

\sigma= 5.54

Hence, the standard deviation is 5.54

Read more about standard deviation at:

brainly.com/question/15858152

#SPJ1

7 0
1 year ago
(WILL GIVE BRAINLIEST) In right ∆ABC with m∠B=30°, AC = 4. Find HB
goblinko [34]

Answer:

HB would be 90 degrees

Step-by-step explanation:

7 0
3 years ago
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Reduce to the lowest term 5/4 + 2/3 = ?
liubo4ka [24]
5/4=15/12
2/3=8/12
15/12+8/12=23/12
7 0
3 years ago
Read 2 more answers
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