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Komok [63]
3 years ago
9

Can I get help with part B & C

Mathematics
1 answer:
Bingel [31]3 years ago
3 0
B) y = 25x - 49, 870
C) 2015

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When Colton commutes to work, the amount of time it takes him to arrive is normally distributed with a mean of 41 minutes and a
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Answer:

(34, 48)

Step-by-step explanation:

According to the Empirical Rule, 95% of normally distributed data lie within two standard deviations of the mean.  That, in turn, means 95% of the data in this problem lie within 2(3.5 min), or 7 min, of the mean:

41 - 7 < mean < 41 + 7, or

34 < mean < 48, or simply (34, 48)

6 0
2 years ago
How many ounces of gold are in a 16​-karat gold chain that weighs 2.6 ​ounces?
oksano4ka [1.4K]

A 16 karat gold means that there are 16 parts of gold in 24 parts of the gold chain. Therefore the weight of the pure gold is:

pure gold = (16 / 24) * 2.6 ounces

<span>pure gold = 1.73 ounces</span>

7 0
3 years ago
on monday, steve read 9 pages of his new book. to finish the first chapter on tuesday, he needs to read double the number of pag
Greeley [361]
18 pages because nine needs to be doubled
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3 years ago
A section of concrete pipe 30m long has an inside diameter of 1.2m and an outside diameter of 1.8m. what is the volume of concre
Fudgin [204]

length of pipe= 30m

Inside dia. = 1.2m

Outside dia. = 1.8m


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V= (pi)
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v= (3.3534-1.1304)30
v=(2.233)30 = 66.690m cube

since it's volume the answer 66.690 is in cubic meters.

5 0
3 years ago
What is an equation of the horizontal line that passes through the point (5, -7)?
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Answer:

ummmm.......

Step-by-step explanation:

6 0
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