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3 years ago

XYZ is transformed on a coordinate plane to obtain its congruent image X'Y'Z. Which of the following statements could be true?

Mathematics

1 answer:

viva [34]3 years ago

3 0

Answer:

The answer is D: only I and II

Step-by-step explanation:

I know for sure this is the correct answer. Hope this helped! Mark me Brainliest!

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When circuit boards used in the manufacture of compact disc players are tested, the long-run percentage of defectives is 5%. Let

kupik [55]

Answer:

(a) 0.873 (b) 0.007 (c) 0.715 (d) 0.277 (e) 1.25 and 1.09

Step-by-step explanation:

The probability that the random variable X takes the value x is given by P(X=x) = $25Cx 0.05^x0.95^{25-x}$ . Then,

(a) $P(X\leq) = (25C0)(0.05^0)(0.95^{25}) + (25C1)(0.05^1)(0.95^{24}) + (25C2)(0.05^2)(0.95^{23})= 0.873$

(b) $P(X\geq5) = 1-P(X\leq4) = 1 - (0.873 + (25C3)(0.05^3)(0.95^{22}) + (25C4)(0.05^4)(0.95^{21})) = 1 - (0.873 + 0.12) = 0.007$

(c) $P(1\leqX\leq4) = (25C1)(0.05^1)(0.95^{24}) + (25C2)(0.05^2)(0.95^{23}) + (25C3)(0.05^3)(0.95^{22}) + (25C4)(0.05^4)(0.95^{21}) = 0.715$

(d) $P(X=0) = (25C0)(0.05^0)(0.95^{25}) = 0.277$

(e) E(X) = np = (25)(0.05) = 1.25 and $Sd(X) = \sqrt{Var(X)} = \sqrt{np(1-p)} = 1.09$

8 0

3 years ago

Which ratio shown below is NOT equivalent to − 15 23

Talja [164]

Answer:

what is the answer below

Step-by-step explanation:

4 0

3 years ago

A=244in2<br> H=<br> B=12.6in<br> (1in=2.54cm)

pshichka [43]

Although there is no picture, I will assume this is a triangle we are talking about since the terms base and height are being used. If that is the case, the height is roughly 38.72in.

To find this, we will use the area of a triangle formula.

1/2bh = a ---> plug in known values.
1/2(12.6)(h) = 244 ---> multiply to simplify
6.3(h) = 244 ----> divide both sides by 6.3
h = 38.73

6 0

3 years ago

Lea is reading a book that is 165 pages. She reads 15 pages each day. Which equation can be used to determine the number of days

Nezavi [6.7K]

Answer:

Step-by-step explanation:

7 0

3 years ago

The blue dot is at what value on the number line?

ira [324]

I’m pretty sure your counting by 3’s because It’s goes 9,3 . However it might be in the negatives

4 0

3 years ago