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kari74 [83]
3 years ago
15

Jennifer is taking a four question multiple choice test. Each question has four possible answers. If she completely guesses on a

ll of the questions, what is the probability that she gets two of the four questions correct?
A) 0.004 B) 0.047 C) 0.106 D) 0.211
Mathematics
1 answer:
Archy [21]3 years ago
4 0
The answer to this question would be "0.047 or B". This is because that is almost half of the test, and there's a lot of factors that vary. Such as the weight of the test, what answers she chose, etc. But it is B.
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The polynomial 8x2 – 8x + 2 – 5 + x is simplified to 8x2 – gx – h. What are the value of g and h?
igor_vitrenko [27]

Answer:

Option D: g = 7 and h = 3

Step-by-step explanation:

The polynomial is;

8x² – 8x + 2 – 5 + x

Simplifying this gives;

8x² - 7x - 3

If this is simplified to 8x² – gx – h

Thus, by comparison of terms;

– gx = - 7x

-x will cancel out to get;

g = 7

Similarly, - h = - 3

Thus,h = 3

Therefore; g = 7 and h = 3

3 0
3 years ago
How many one-third cubes are needed to fill the gap in the prism shown below?
attashe74 [19]

Answer:

The answer is 16 I've seen this before so I would know. and your welcome

Step-by-step explanation:

8 0
3 years ago
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In triangle A B D , the measure of angle A is 10 degree less than the measure of angle B . The measure of angle D is 20 degree m
elixir [45]

Answer:

<u><em>Measure of angle A is 27 7/9 degrees.</em></u>

Step-by-step explanation:

Lets call measure of angle A is <em><u>X-10</u></em>

Lets call measure of angle B is X

Lets call measure of angle D is 2.5X+20

We know that the sum of triangles add up to 180 degrees

X+X-10+2.5X+20=180

X=37 7/9

So measure of angle A is 27 7/9 degrees.

I hope this is right. :)

8 0
3 years ago
20 points please help i’ll LOVE YOU
ANTONII [103]
I don’t know I’m doing something like that and I need help
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Your Answer is A (0.45)

I just took the Test on A~P~E~X

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3 years ago
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