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Monica [59]
3 years ago
15

29 yd 2ft 11 in + 55 yd 1 ft 10in + 13 yd 1ft 3in=

Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0
Add up all.

Yards = 29 + 55 + 13 = 97

Feet = 2 + 1 + 1 = 4

Inches = 11 + 10 + 3 = 24

In conclusion your final anwser is

97 yd. 4 ft. 24 in.

Hope this helps!
Have a great day.
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The LB Company has long manufactured a light bulb with an average life of 5400 hours. Company researchers have recently develope
elena55 [62]
<h2><u>Answer with explanation</u>:</h2>

Let \mu be the average life of light bulbs.

As per given , we have

Null hypothesis : H_0 : \mu =5400

Alternative hypothesis : H_a : \mu >5400

Since H_a is right-tailed and population standard deviation is also known, so we perform right-tailed z-test.

Formula for Test statistic : z=\dfrac{\overlien{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

where, n= sample size

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Using z-value table , Critical one-tailed test value for 0.06 significance level :

z_{0.06}=1.5548

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[We reject the null hypothesis when critical value is less than the test statistic value .]

Conclusion : We have enough evidence at 0.06 significance level to support the claim that the new filament yields a longer bulb life

8 0
3 years ago
You're given two side lengths of 3 centimeters and 5 centimeters. Which measurement can you use for the length of the third side
igomit [66]

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\

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igor_vitrenko [27]

Answer:

GH=15

Step-by-step explanation:

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2 years ago
Micah is watching a TV program that is 2 hours long during the program there are six commercials that are each 90 sec. How many
Sergeu [11.5K]

Answer:

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Step-by-step explanation:

step 1

Find out how long are the six commercial

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Remember that

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3 years ago
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