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forsale [732]
3 years ago
9

What is the solution to the equation below?

Mathematics
1 answer:
Colt1911 [192]3 years ago
8 0

Answer:

it's D 200 for sure my answer I correct

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If x=2 and y=5, how would you work out 2y to the power of 2?
noname [10]

Answer:

Step-by-step explanation:

(5)^

2×


3 0
3 years ago
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Of five letters (a, b, c, d, and e), two letters are to be selected at random without replacement. how many possible selections
san4es73 [151]
Sent a picture of the solution to the problem (s). I sent the formula because I do not know if your calculator has the combination function. You will notice the denominator. I got it by the 2 picks you make and the 3 from what is left over. The 5 is from the total selection.

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3 years ago
An element with mass 780 grams decays by 16.3% per minute. How much of the element is remaining after 16 minutes, to the nearest
vitfil [10]
Exponential decay is a very common process especially when we are talking about radioactive materials. So, there is already a common formula for this type of behavior which is written below:

A = Pe^-rt
where
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8 0
3 years ago
What are the last 2 digits of 7 to the power of 2018. This question was on a past exam paper.
Xelga [282]

Answer:

49

Step-by-step explanation:

  • Try finding pattern of last two digits of 7 to the power of some numbers.

7^1=07

7^2=49

7^3=343

7^4= 2301

7^5= 16807

  • so , the pattern is, 07,49,43,01
  • so, if we start writing all numbers from 1 to 2018 , four number in each line, 2018 will fall in the second column.
  • so it will have 49 as the  last 2 digits [by seeing this pattern : 07,49,43,01 ]
6 0
3 years ago
Can someone please help me with numbers 1, a, b, c, 2, a, b, c
algol [13]
Thank you thank you very much
7 0
2 years ago
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