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statuscvo [17]
3 years ago
5

Help anyone know the answer?!

Mathematics
1 answer:
Vlada [557]3 years ago
3 0

Answer:

first one

Step-by-step explanation:

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A lightbulb has a normally distributed light output with mean 5000 end foot-candles and standard deviation of 50 end foot-candle
Blizzard [7]
To find the specification limit such that only 0.5% of the bulbs will not exceed this limit we proceed as follows;
From the z-table, a z-score of -2.57 cuts off 0.005 in the left tail; given the formula for z-score
(x-μ)/σ
we shall have:
(x-5000)/50=-2.57
solving for x we get:
x-5000=-128.5
x=-128.5+5000
x=4871.50
8 0
3 years ago
An architect was building a
PolarNik [594]

Answer:

57

Step-by-step explanation:

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=180%20%5Cdiv%20460%20%3D%20simplified%20%5C%3A%20fraction" id="TexFormula1" title="180 \div 46
Anuta_ua [19.1K]

first you would put the expression in a fraction for

180/460

you already know that the both numbers are divisible by 2

  • so the answer would be 90/230 but we are still no done because these values are divisible by three

the rule to prove that the number is divisible by three is when you add the digits of the number for example 333. 3+3+3=9 and nine is divisible by nine

THE ANSWER IS:::::::: 90/230


5 0
3 years ago
Does anybody know what 2+3 is
Phoenix [80]
The answer is 5 you can also use your fingers no I’m not calling you dumb I’m just saying you can
4 0
3 years ago
Which number sentence shows the correct placement of the decimal point in the product, based on the two factors?
snow_lady [41]

Answer:

Where are the number sentences?

6 0
2 years ago
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