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dangina [55]
2 years ago
8

HELP ME PLEASE I NEED HELPP

Mathematics
1 answer:
Zanzabum2 years ago
3 0

Answer:

4500 inches, check image below

Step-by-step explanation:

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Hi
stealth61 [152]

Answer:

8589465 pages are unread

Step-by-step explanation:

nidhi's hobby is reading moral value books

plz mark as brainliest if it helps

8 0
3 years ago
Read 2 more answers
Juan is rappelling down a 495-foot cliff. He moves down the cliff at a rate of 6 feet per second. Which equation would represent
AlladinOne [14]
Where he started (495) minus 6 feet per second (-6t) till he gets to the ground (=h)
Put them together: 495-6t=H :) 
Hope that helps
8 0
3 years ago
Read 2 more answers
An electrical rm manufactures light bulbs that have a life span that is approximately normally distributed. The population stand
stira [4]

Answer:

The 't' test statistic = 1.46 < 1.69

The test of hypothesis is H 0 :μ = 800 is accepted

A sample of 30 bulbs are found came from average µ= 800

Step-by-step explanation:

Step 1:-

Given population of mean μ = 800

given size of small sample n =30

sample standard deviation 'S' = 45

Mean value of the sample χ = 788

Null hypothesis H_{0} =µ  =800

alternative hypothesis  H_{1} = µ ≠ 800

<u>Step 2</u>:-

The 't' test statistic t =  \frac{x-μ}{\frac{sig}{\sqrt{n} } }

                             t = \frac{788-800}{\frac{45}{\sqrt{30} } }

                       t = \frac{12}{8.215} = 1.4607

<u>Step 3</u>:-

The degrees of freedom γ = n-1 = 30-1 =29

From "t" value from table at 0.05 level of significance ( t = 1.69)

The calculated value t = 1.4607 < 1.69

Therefore The null hypothesis H_{0} ' is accepted.

<u>conclusion</u>:-

A sample of 30 bulbs are came found from average µ= 800

7 0
3 years ago
An electrician earns $110 after his first hour of working for a client. His total pay based on the number of hours worked can be
stiks02 [169]

Answer: a. f(n+1) = f(n) + 20




Step-by-step explanation:


7 0
3 years ago
A hiker travels 12 km in 3 h.
FinnZ [79.3K]
This is a ratio. 
12 km : 3 h 

simplify to-
4km : 1 h 

which means the hiker traveled 4 km per 1 hour. 
6 0
3 years ago
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