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otez555 [7]
3 years ago
11

Given the triangle below, which of the following equations correctly representsthe relationship between a, b, and c?Triangle not

drawn to scale A cz B az 2abcos (90.)b a2 c2 2abcos (90.)

Mathematics
1 answer:
alukav5142 [94]3 years ago
7 0
A) it is the law of cosine
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3 years ago
For the given pair of events A and B, complete parts (a) and (b) below.
steposvetlana [31]

Answer:

(a) Option A. independent

(b) P(A\ and\ B) = 0.0312

Step-by-step explanation:

Two events A and B are considered dependent if the occurrence of one affects the probability of occurrence of another.

In this case, the events are independent because the birth of a girl or a boy does not affect the probability of obtaining a 1 by throwing a 16-sided die.

In the same way, throwing a die and obtaining the number 1 does not affect the probability that a baby is a girl or a boy.

When two events are independent then

P(A\ and\ B) = P(A)*P(B)

The probability that a baby is a girl is

P(A) = 0.5

The probability of obtaining a 1 when casting a 16-sided die is:

P(B) = \frac{1}{16}

Then:

P(A\ and\ B) = 0.5 * \frac{1}{16}

P(A\ and\ B) = 0.0312

5 0
3 years ago
What is the measure of PQR?​
Lisa [10]

Answer:

PQRS is a quadrilateral and the measure of angle PQR is 70 degrees. According to the central angle theorem, that the angle inscribed on the circle is always half the measure of the central angle.

7 0
3 years ago
There are some oranges in a box. The total weight of these oranges is 4.29 kg. The
-BARSIC- [3]

Answer:

There are 44 oranges in the box

Step-by-step explanation:

4.29 kg = 4290 g

4290g / 97.5 g = 44

3 0
3 years ago
Why is it sometimes best to make a phone call or personal contact when conveying sensitive information?
kupik [55]
It would be best sometimes to <span>make a phone call or personal contact when conveying sensitive information because in this way you can make sure that the information is conveyed directly to the person. Hope this answers the question. Have a nice day.</span>
3 0
3 years ago
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