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Vikentia [17]
3 years ago
15

I WILL GIVE YOU BRAINLEST IF YOU ANSWER IT RIGHT IN 5 MINUTES!!!!!!! 20 POINTS!!

Mathematics
2 answers:
Lyrx [107]3 years ago
7 0

Answer: A

Step-by-step explanation: plz mark me brainliest

Tpy6a [65]3 years ago
7 0

Answer:

Step-by-step explanation:

(b)(1), .. 3.56x10-4 ... 2.26x10-1 ± 1.09x10-2 Bq/L (6.11x100 ± 2.95x10-1 ... 4.08x10-3 ... 1.95x10-2.

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To make the sure the results did not happen by chance, the coach can ensure that the protein bars are the only difference between the two groups. For example, he can make sure that both groups are drinking the same amounts of water and getting in the same amount of practice; that way, he will be able to determine that one group is performing better due to the protein bars only. Also, the coach can repeat this experiment multiple times to make sure that the results weren't a random, one-time thing. 
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3 0
3 years ago
Pls help i will give brianliest
Blababa [14]

Answer:

b is the answer

Step-by-step explanation:

4 0
3 years ago
The ages of George and Genemy are in ratio 5:7 . Four years from now the ratio of their ages will be 3:4 .Find their present age
DedPeter [7]

Answer:

Below in bold.

Step-by-step explanation:

Let x be George's age and y be Genemy's age.

x/y = 5/7

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From equation 1, y = 7x/5 = 1.4x so substituting in equation 2 :

(x + 4)/ (1.4x + 4) = 3/4

3(1.4x + 4) = 4(x + 4)

4.2x + 12 = 4x + 16

0.2x = 16 -12 = 4

x = 4/0.2 = 20 = George's age.

So y = 1.4x = 1.4 * 20 = 28 = Genemy's age.

3 0
3 years ago
Read 2 more answers
Explain why it does not matter which point you choose when writing the equation of the line in point-slope form, given two point
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