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Andre45 [30]
2 years ago
7

Evaluate 12∣∣−x+3∣∣−5 when x = 11.

Mathematics
1 answer:
Evgen [1.6K]2 years ago
7 0

Answer:

91

Step-by-step explanation:

12∣∣−x+3∣∣−5

Let x = 11

12∣∣−11+3∣∣−5

Do the absolute value first

12∣∣-8∣∣−5

Taking the absolute value, which means making it positive

12* 8 -5

Multiply and divide

96 -5

91

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(b) 3,5 and 9 are prime factors of 54?​
Shtirlitz [24]

Answer:

False, 5 is not a factor of 54.

8 0
1 year ago
P(x)=5x^2-3x+7(x=1)<br> Pls
kramer

Answer:

9

Step-by-step explanation:

Given

p(x) = 5x² - 3x + 7 ← substitute x = 1

p(1) = 5(1)² - 3(1) + 7 = 5(1) - 3(1) + 7 = 5 - 3 + 7 = 9

4 0
3 years ago
In a random sample, 10 students were asked to compute the distance they travel one way to school to the nearest tenth of a mile.
elixir [45]

Answer:

Mean = 3.12, Variance = 3.324, Standard deviation = 1.8232

Step-by-step explanation:

Total number of students = 10 students.

Given data, 1.1, 5.2, 3.6, 5.0, 4.8, 1.8, 2.2, 5.2, 1.5, 0.8

To find the mean, at first we have to take the sum of all given data and then divide with the number of students.

Let the data is X, = 1.1, + 5.2, + 3.6, + 5.0, + 4.8, + 1.8, + 2.2, + 5.2, + 1.5, + 0.8 = 31.2

Mean = 31.2 / 10 = 3.12

\text{Standard deviation, S} = \sqrt{\frac{\sum x^{2} - \left [ (\sum x)^{2}/n \right ]}{n-1}} \\S = 1.8232 \\\rm The \ Variance = S^{2} = 3.324

5 0
2 years ago
This is my last question on my math test so please help me:
Gnom [1K]

Answer:

Step-by-step explanation:

is number 2

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5 0
3 years ago
The area of the red square is 16 ft. The area of the yellow square is 25 ft.
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Answer:

I believe that the area of the green square is 9ft²

4 0
3 years ago
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