3 years ago

What is the meaning of mathematics

Mathematics

1 answer:

Nonamiya [84]3 years ago

6 0

Answer:

mathematics is the study of numbers shapes and patterns

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The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to det

Maru [420]

Answer:

0.077994

Step-by-step explanation:

Given that the owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.

$H_0: Mean = 30\\H_a: Mean >30$

(Right tailed test)

Sample size = $n=250$

Sample mean = 30.45

Mean difference = $30.45-30=0.45\\$

Sample std dev s = 5

Sample std error = $\frac{5}{\sqrt{n} } =\frac{5}{\sqrt{250} } \\=0.3163$

Test statistic = Mean diff/std error = $=\frac{0.45}{0.3163} =1.423$

Since population std deviation is not know we use t test

p value = $0.077994$

4 0

3 years ago

Please help I Think I'm wrong!!!!

Allisa [31]

2n+2(n-4)=56
2n+2n-8=56
4n-8=56
4n=64
n=16

1st side is 16
2nd side is 12

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3 years ago

What is the perpendicular line in slope form of the equation (-5,8);y=1/5x-1

denpristay [2]

Answer: Find the negative reciprocal of the slope of the original line and use the slope-intercept form y=mx+b to find the line perpendicular to y=1/5x−1. y=−5x−17

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3 years ago

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Martha filled a bowl with 0.5 cup of flour and 0.75 cup of milk. To the nearest cup, how many cups of ingredients were in the bo

Damm [24]

0.5 + 0.75 = 1.25

1.25 rounds off to 1.

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3 years ago

If you work for an hourly wage, your gross pay is a function of the number of hours that you work. Your hourly wage is $8.50 per

ziro4ka [17]

Your answer would be A because gross pay= 8.50$ times the number of hours you work.

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3 years ago

What is the meaning of mathematics ​

What is the meaning of mathematics