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netineya [11]
3 years ago
11

Which expression is equivalent to 12x + 18y + 54?

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
5 0
I had a question just like this I put 12x plus 18y plus 53 plus 1 and it worked
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# of yeast cells double every 4 hours how long will it take for 6billion cells
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Answer:

60

Step-by-step explanation:

0.25

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A scientist enlarged a circular portion of a microscope slide to make it easier to count the number of bacteria present in the s
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Answer:

Option B. 212.1\ cm^{2}

Step-by-step explanation:

step 1

Find the central angle of the shaded sector

Remember that the diameter divide the circle into two equal parts ( 180 degrees each part)

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step 2

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The area of the circle is

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substitute

A=(3.1416)(15)^{2}

A=706.86\ cm^{2}

step 3

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so

by proportion find the area of a sector by a central angle of 108 degrees

\frac{706.86}{360}=\frac{x}{108}\\ \\x=706.86*108/360\\ \\x=212.1\ cm^{2}

8 0
3 years ago
A nest of ants initially contains 500 individuals. The population is increasing by 12% each week. How many ants will there be af
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