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VladimirAG [237]
3 years ago
9

Help please!! :)))) Thanks!

Mathematics
1 answer:
baherus [9]3 years ago
5 0
The answer is C. 16!!
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the brightness of the illumination of an object varies inversely as the square of the distance from the object to the source of
Free_Kalibri [48]
I=k/d^2

4=k/d^2 and 1=k/64  so if we divide the first by the second we get:

4/1=(k/d^2)/(k/64)

4=(k/d^2)*(64/k)

4=64/d^2

d^2=64/4

d^2=16

d=4 meters


3 0
2 years ago
What is 43% of 600 gallons of water
Leokris [45]
43% of 600 gallons of water is 258

Convert your percentage into a decimal:
\frac{43}{100} = 0.43

Multiply your decimal and 600:
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3 0
3 years ago
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We can’t understand how to find the pattern
cupoosta [38]

Answer:

Pattern: subtract 2 from the input to get the output

When the input is 9, the output is 7

When the input is 13, the output is 11

Step-by-step explanation:

» <u>Application + Solution</u>

To find the pattern, we have to look for common things we notice between the input and output.

  • After analyzing, we can surely notice that we subtract two from the input each time to get the output because 3 - 2 = 1, 8 - 2 = 6, 15 - 2 = 13, and 20 - 2 = 18.

Now that we realized the pattern, we subtract 2 from 9 and 13.

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  • 13 - 2 = 11
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1 year ago
If you left $25.00 on your table for a $21.50 meal, what was the percent of the tip?
Nesterboy [21]

Answer: 3.5% with a 3.50 Tip

Reason: 25.00 - 21.50 = 3.50

4 0
2 years ago
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What is the approximate length of the diameter, d? Use 3.14
Dimas [21]

Answer: 15.9

Step-by-step explanation:

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