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elixir [45]
3 years ago
13

Helppp please :(((((

Mathematics
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

Step-by-step explanation:

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The table shows the battery life of four different mobile phones:
tekilochka [14]
Answer: Phone C

Using quick mental math, we can do 8% of 10 to get 0.8, which is close to the value of 0.0845*10. Also fairly quick is moving the decimal point over 1 spot to the right and we go from 0.0845 to 0.845 and that rounds to 0.8 when rounding to one decimal place. Recall that 8.45% = (8.45/100) = 0.0845

If you want to compute out the four results with a calculator, then it would look like this:
0.0845*20 = 1.69
0.0845*25 = 2.1125
0.0845*10 = 0.845
0.0845*18 = 1.521
and this shows that no other result (but choice C) is close to 0.8

So that's why the answer is choice C
5 0
3 years ago
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If n is the term, what is the first integer value of n where the sequence 2n² is greater than 50?
Nezavi [6.7K]

Answer:

The 6th term is first integer value of n greater then 50 in the 2n^2 sequence.

Step-by-step explanation:

2n^2 sequence:

2,8,18,32,50,72

3 0
3 years ago
Adele ate lunch at a restaurant. The bill came to $90. If she left a 15% tip, how much was the
o-na [289]

Answer:

$13.50

Step-by-step explanation:

The total is $103.50.

4 0
2 years ago
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How is the number e defined?
Leviafan [203]
It can be defined as a positive..
it is also a inverse function to the natural exponential function 
i hope that helps 
8 0
3 years ago
-12=-8z+12 please need help​
miss Akunina [59]

Answer:

z=3

Step-by-step explanation:

-12=-8z+12

-12-12=-8z

-24=-8z

-24/-8=z

z=24/8

3=z

z=3

8 0
3 years ago
Read 2 more answers
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