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4 years ago

If cos∠A=3421,000, then what is m∠A to the nearest degree?

Mathematics

1 answer:

gregori [183]4 years ago

7 0

This question has no answer because no angle has a cosine bigger than one.

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3 years ago

90 degrees =(x+2) and 90 = (x-6) what does x equal?

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If 90 equals to (x+2) and (x-6), then (x+2)=(x-6), which is impossible because 2≠-6

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3 years ago

What is 4.5x + 2.5(x - 4)

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7x-10

Step-by-step explanation:

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4 years ago

(3.8 × 10−6)(2.37 × 10−3)

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3 years ago

Read 2 more answers

A family consisting of three persons—A, B, and C—goes to a medical clinic that always has a doctor at each of stations 1, 2, and

Free_Kalibri [48]

Answer:

Step-by-step explanation:

When A, B,C are equally likely to be assigned to any one of the stations 1,2 or 3

we find that each one assigned to one station has probability 1/3

Also each person is independent of the other.

Probability that

a) All three family members are assigned to the same station

= P(ABC) to same station

= P(ABC) to 1+P(ABC) to 2 +P(ABC) to 3

=3*P(A)P(B)P(C) since independent

= $3*(\frac{1}{3} )^3\\=\frac{1}{9}$

b) This would be equivalent to 1- all 3 to the same station

= $1-\frac{1}{9} \\=\frac{8}{9}$

c) Every member to a different station

A has 3 choices while B has remaining 2 and C has 1

Hence prob = $\frac{3*2*1}{3*3*3} =\frac{2}{9}$

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3 years ago