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Makovka662 [10]
2 years ago
12

Is ABC ~ DEF? If so, name which similarity postulate or theorem applies?

Mathematics
2 answers:
ch4aika [34]2 years ago
6 0
It’s either A A or sad
Margarita [4]2 years ago
3 0

These triangles are similar because 2 pairs of angles are equal. I'm not very familiar with the acronyms in the list but I guess it must be AA.

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Element X decays radioactively with a half life of 6 minutes. If there are 790 grams of Element X, how long, to the nearest tent
frosja888 [35]

Answer:

It takes 27 minutes for the element to decay to 35 grams

Step-by-step explanation:

Given:

Initial amount  =  790 grams

Final amount =  35 grams

Half life =  6 minutes

To find:

Time taken for the element to reduce into 35 grams  = ?

Solutions

Time taken = half life  \times \frac{ log(\frac{ initial amount}{final amount})}{log(2)}

On substituting the values given, Time taken  

= 6 \times \frac{log(\frac{790}{35})}{log(2)}

= 6 \times \frac{log(22.57)}{log(2)}

= 6 \times 4.496

= 26.97

= 27 minutes

7 0
3 years ago
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choli [55]

Answer:

5

Step-by-step explanation:

3/5 × 5

Divide through by 5

And you're left with 5

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3 years ago
PLSSS HELP ASAPPP I'LL GIVE YOU BRAINLIEST IF I GET IT RIGHT!!!​
kondor19780726 [428]

Answer:

D. 76

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because students that has 5 absences and less most likely to get higher than 75 marks. The student who has 8 absences studied at home, he's a genius

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Answer:

B. \sqrt{65}

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Then do 4^2+7^2 to get 65

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