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mylen [45]
3 years ago
7

If the area is 45 meters square, what is the minimum number of square-tiles with sides of 30 cm by 30 cm that are needed to cove

r the patio?
Mathematics
1 answer:
nexus9112 [7]3 years ago
3 0
22500 total
45*100/30=150
Square that = 22500
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In a bolt factory, machines 1,2, and 3 respectively produce 20%, 30% and 50% of the total output. of their respective outputs 5%
lorasvet [3.4K]

Answer:

a. 1/10 or 10%

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Step-by-step explanation:

Since the combination of machines 1, 2 and 3 produce 100% of the total output when added together, then the probability of choosing a bolt at random that is defective is: 5 + 2 + 3 = 10% out of 100% or 10/100, which is 1/10 or 10%.

If the bolt that is choosen at random is defective, than the probability that it came from machine 1 is 5/10 or 1/2 which is also 50%.

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3 years ago
If 900 is shared in the ratio 8:10,find each shared
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Answer:

400 and 500

Step-by-step explanation:

the ratios are 8:10

total ratio = 8+10 = 18

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therefore, share for the ratio of 8= 400

share for the ratio of 10= 10/18×900

= 0.555555555×900=500

therefore, share for the ratio of 10= 500

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4 0
2 years ago
The cost of 5 boxes of cookies is 15 dollars. Which equation shows this in function notation?
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3 years ago
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Answer:

i´ll help here

the smallest is (-3)^0

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Step-by-step explanation:

hope this is correct

4 0
2 years ago
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