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Julli [10]
3 years ago
7

Need help with this algebra question

Mathematics
1 answer:
slava [35]3 years ago
3 0

Answer:

Option 2

Step-by-step explanation:

1. Combine like terms

2. Then solve

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Which of the following represent the same level of precision? Check all that apply.
aniked [119]
Precision refers to the degree of significant figures, or basically how many numbers after the decimal. It <span>is the </span>number<span> of digits in a </span><span>number.
</span> 5.9 liters and 13.6 liters have the same precision (one number after the decimal).
<span>90 liters and 94 liters have the same precision (no decimals).

Correct answer: A and B, C and D</span>
7 0
4 years ago
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What is 12 1/3-10 11/12
Brut [27]

Answer:

1 5/12

Step-by-step explanation:

12 1/3 - 10 11/12

We need to get a common denominator of 12

12 1/3 * 4/4 - 10 11/12

12 4/12 - 10 11/12

We need to borrow from the 12 (the whole number)  because the 2nd fraction is bigger than the first

12 becomes 11 and the 1 becomes 12/12

11+ (12/12 + 4/12) - 10 11/12

11 16/12 - 10 11/12

Subtract the whole numbers

11-10 =1

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We are left with 1 5/12

5 0
4 years ago
The probability that Fiona wakes up before 8am when she does not set her alarm is 2/5 On two consecutive days that Fiona does no
denpristay [2]

Answer:

16/25 = 0.64 = 64%

Step-by-step explanation:

If we want the probability of Fiona waking up before 8am for at least one of the days, we can calculate the probability of she not waking up 8am in both days, and then we do 1 minus this probability.

The probability of she not waking up 8am in one day is (1 - 2/5) = 3/5

The probability of she not waking up 8am in both days is 3/5 * 3/5 = 9/25

So, the probability of Fiona waking up before 8am for at least one of the days is (1 - 9/25) = 16/25 = 0.64 = 64%

8 0
4 years ago
Find the value of each trigonometric ratio part 2​
Valentin [98]

Answer:

15/17

12/37

12/13

20/21

Step-by-step explanation:

5)

cos A = adj/hyp = 15/17

6)

cos C = adj/hyp = 12/37

7)

cos Z = adj/hyp = 36/39 = 12/13

8)

tan A = opp/adj = 20/21

5 0
3 years ago
Nga
andrezito [222]

Answer:

Step-by-step explanation:

5 0
3 years ago
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