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ss7ja [257]
3 years ago
15

and Equipment safety test requires five independent tests. Each of these test has a 78% pass rate. The equipment will only be gi

ven a positive safety rating if it passes all five tests. Find the probability of equipment receiving a positive rating.
Mathematics
1 answer:
yanalaym [24]3 years ago
5 0
The probability that the equipment will receive a positive rating and pass all five tests is approximately 28.89%
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Which layer of the atmosphere reflects radio waves back to Earth? Mesosphere Stratosphere Thermosphere Troposphere BRAINLEST
nataly862011 [7]

Answer:

ionosphere

Step-by-step explanation:

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6 0
3 years ago
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S is inversely proportional to t<br> When s = 0.5, t = 7<br> Work out s when t = 0.8
defon

Given:

s is inversely proportional to t.

When s = 0.5, t = 7.

To find:

The value of s when t=0.8.

Solution:

s is inversely proportional to t.

s\propto \dfrac{1}{t}

s=\dfrac{k}{t}       ...(i)

Where, k is the constant of proportionality.

Putting s=0.5 and t=7, we get

0.5=\dfrac{k}{7}

0.5\times 7=k

3.5=k

Putting k=3.5 in (i), we get

s=\dfrac{3.5}{t}

This is the equation of proportionality.

Putting t=0.8, we get

s=\dfrac{3.5}{0.8}

s=4.375&#10;

Therefore, the value of s is 4.375 when t=0.8.

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2 years ago
PLEASE HELP!!! BRAINLIESt!! THANK YOUU
vredina [299]

Answer:

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Step-by-step explanation:

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irinina [24]
10 dergres that is the answer
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