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GuDViN [60]
2 years ago
7

Which of the following expressions is equal to 3x2 + 27 ?

Mathematics
1 answer:
djverab [1.8K]2 years ago
6 0

Step-by-step explanation:

The answer is provided in the options. The answer should have been A, if the question was 3x²-27.

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Anna truncated the decimal expansion of x to find the best approximation. On a number line, the location of x is between 10.9 an
podryga [215]

Answer:

Well to estimate a decimal the best option would be to round it to.

10 or 11 (For 10.9)

11 (For 11.1)

and since two of them equal 11. 

The estimation would be 11.

I hoped this helped.

3 0
2 years ago
The sum of Sally and Beth's age is 60. Six years ago, Sally was 3 times as old as Beth. What are their present ages?
Thepotemich [5.8K]
Sally is 45 and Beth is 15.

45 + 15 = 60

15*3 = 45
4 0
2 years ago
Read 2 more answers
6 weeks = year assuming a 52 week year
sp2606 [1]

Answer:

6 weeks = a (1 year)^2 52 weeks

5 0
3 years ago
If two cowboys leave a ranch at 9:00 am, how far apart will they be at 11:00 am if one travels directly north at 20 mph and the
tresset_1 [31]
They will be 50 miles apart.
5 0
3 years ago
The durations (minutes) of 26 electric power outages in Shah Alam over the past five years are shown below. 32 44 25 66 27 12 62
Leto [7]

Answer:

Mean = 33.31

Median = 26

Mode = 17

Step-by-step explanation:

Given the data:

32 44 25 66 27 12 62 9 51 4 17 50 35 99 30 21 12 53 25 2 18 24 84 30 17 17

Reordered data : 2, 4, 9, 12, 12, 17, 17, 17, 18, 21, 24, 25, 25, 27, 30, 30, 32, 35, 44, 50, 51, 53, 62, 66, 84, 99

The mean, xbar = Σx / n = 866 /26 = 33.31

The median = 1/2(n+1)th term

Median = 1/2(27)th term = 13.5th term

Median = (13 + 14)th / 2

Median = (25 + 27) / 2 = 26

The mode = 17 (highest frequency)

4 0
2 years ago
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