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OlgaM077 [116]
3 years ago
12

Which figure shows a reflection of pre-image DEFG over the x-axis?

Mathematics
1 answer:
Sergio [31]3 years ago
3 0
The image that shows the reflection of DFEG over the x-axis is the FIRST option. The x-axis is the mirror line. The distance from the mirror line to the reflected shape equals to the distance from the original image to the mirror line.
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The diagonals of rectangle NOPQ intersect at point R. If OR=3x-4 and NP=5x+20, solve for x.
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3 years ago
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The probability that an American CEO can transact business in a foreign language is .20. Twelve American CEOs are chosen at rand
NNADVOKAT [17]

Answer with Step-by-step explanation:

We are given that

The probability that an American CEO can transact business in  foreign language=0.20

The probability than an American CEO can not transact business in foreign language=1-0.20=0.80

Total number of American CEOs  chosen=12

a. The probability that none can transact business in a foreign language=12C_0(0.20)^0(0.80)^{12}

Using binomial theorem nC_r(1-p)^{n-r}p^r

The probability that none can transact business in a foreign language=\frac{12!}{0!(12-0)!}(0.8)^{12}=(0.8)^{12}

b.The probability that at least two can transact business in a foreign language=1-P(x=0)-p(x=1)=1-((0.8)^{12}+12C_1(0.8)^{11}(0.2))=1-((0.8)^{12}+12(0.8)^{11}}(0.2))

c.The probability that all 12 can transact business in a foreign language=12C_{12}(0.8)^0(0.2)^{12}

The probability that all 12 can transact business in a foreign language=\frac{12!}{12!}(0.2)^{12}=(0.2)^{12}

5 0
3 years ago
Which is greater 45 hundredths or 6 tenths
MA_775_DIABLO [31]
45 hundredths is greayer than 6 tenth because 45 is in the hundredths spot and 6 is in the tenth spot
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What is the value of (7 – 3i)(6 + i)?
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8 0
2 years ago
The measure of angle ABC is<br> A<br> D<br> 60<br> 40°
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The measure of angle ABC is 100 because all you do is add the 60 to the 40 and get 100.
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