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Montano1993 [528]
4 years ago
13

A room has 3 lightbulbs. each one has a 30% probability of burning out within the month. What is the probability that all three

will burn out within the month
Mathematics
1 answer:
olya-2409 [2.1K]4 years ago
3 0

Answer:

I think 90 percent is the answer

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If 60 marks is 40%, how much is full marks (Show your working out)?
Vitek1552 [10]
' 40% ' means 0.4 .

You said that                           60          = 0.4 x Full

Divide each side by 0.4 :       60 / 0.4  =   1  x Full

                                                       Full  =  150 .
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Which of the following steps indicates the addition property of equality while solving the equation –1 – 6x = x – 15? Question 4
den301095 [7]

Answer:

B) -1-6 x +15 = x - 15 +15

Step-by-step explanation:

<u>Explanation</u>:-

Given equation is  –1 – 6 x = x – 15

<em>By addition property of equality </em>

<em>                        ⇒     - 1 - 6 x + 15 = x - 15 +15</em>

                      ⇒      - 6 x + 14  = x

subtracting 'x' on both sides ,we get

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                        ⇒      - 7 x +14 =0

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   Dividing '-7'  on both sides , we get

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<em>The solution of given equation is    x  = 2</em>

3 0
3 years ago
Coner earns $9 an hour for yard work.He earned $29.25.how much does he earn every minute.
makvit [3.9K]

He earns $0.15 every minute.  There are 60 minutes every hour and you are trying to found out how much money he is making in 1 minute, so you divide 9 by 60, which will give you the decimal number 0.15. The $29.25 was just a little extra information to try to brush you off.

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Answer:

UV = 14 ft and m∠TUV = 45°

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Step-by-step explanation:

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Can someone help out (; plz
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Answer:

2

Step-by-step explanation:

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