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disa [49]
2 years ago
9

In the figure, ABC DFE. What is the perimeter of ABC in inches?

Mathematics
1 answer:
lys-0071 [83]2 years ago
7 0

Answer:

Step-by-step explanation: 54in

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If f(x)=x/2-3and g(x)=3x^2+x-6 find (f+g) (x)
olga_2 [115]

Answer:

3x^2+1.5x-9

Step-by-step explanation:

(f+g) (x)

=f(x)+g(x)

=x/2-3+3x^2+x-6

=3x^2+1.5x-9

3 0
3 years ago
Acellus Find the expected value of a random variable x having the following probability distribution. 0 1 2 3 4 5 Probability 1/
barxatty [35]

Answer:

"2.25" is the right answer.

Step-by-step explanation:

According to the question,

The expected value will be:

= \sum_{i=1}^{n} x_i P(X = x_i)

= 0\times \frac{1}{8}+1\times \frac{1}{4}+2\times \frac{3}{16}+3\times \frac{1}{4}+4\times \frac{1}{6}+5\times \frac{1}{8}

= 0+\frac{1}{4}+\frac{3}{8} +\frac{3}{4}+\frac{1}{4} +\frac{5}{8}

= \frac{1}{4} +\frac{8}{8} +\frac{4}{4}

= \frac{1}{4} +1+1

= 0.25+2

= 2.25

Thus the above is the right approach.

8 0
2 years ago
How do you write 13 in minutes. ---------- 20
MatroZZZ [7]
Do 13x60 and 20x60
Answer: 780 and 1200
6 0
2 years ago
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Which of the following could be points on the unit circle?
storchak [24]

Answer:

A and D

Step-by-step explanation:

Unit circle is a circle described by the equation

x^2 + y^2 = 1

We can try each pair and check

A. (\frac{6}{7})^2 + (\frac{\sqrt{13}}{7})^2 = \frac{36}{49} + \frac{13}{49} = \frac{49}{49} = 1

B. (\frac{4}{3})^2 + (\frac{4}{5})^2 > (\frac{4}{3})^2 > 1

C. (\frac{1}{3})^2 + (\frac{2}{3})^2 = \frac{1}{9} + \frac{4}{9} = \frac{5}{9} < 1

D. (\frac{5}{13})^2 + (\frac{12}{13})^2 = \frac{25}{169} + \frac{144}{169} = \frac{169}{169} = 1

3 0
2 years ago
The estimate using front end rounding to get the answer to 18.3 x 1.6
bija089 [108]

Answer:

36

Step-by-step explanation:

18.3 = 18

1.6 = 2

18 x 2 = 36

6 0
3 years ago
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