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spin [16.1K]
3 years ago
5

What is the slope of the line containing (6, -7) and (5, -9)? A) 1 B) -2. C) 2 D) 16

Mathematics
1 answer:
zloy xaker [14]3 years ago
7 0

Answer: C

Step-by-step explanation:

y2-y1/x2-x1

-9+7/5-6 = 2

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A certain cold remedy has an 88% rate of success of reducing symptoms within 24 hours. Find the probability that in a random sam
Hitman42 [59]

Answer:

The probability of cured people in who took the remedy is 8/9.

Step-by-step explanation:

Success rate of the cold remedy = 88%

The number of people who took the remedy = 45

Now, 88% of 45 = \frac{88}{100}  \times 45 = 39.6

and 39.6 ≈ 40

So, out of 45 people, the remedy worked on total 40 people.

Now, let E: Event of people being cured by cold remedy

Favorable outcomes = 40

\textrm{Probability of Event E}  = \frac{\textrm{Total number of favorable outcomes}}{\textrm{Total outcomes}}

or, \textrm{Probability of people getting cured}  = \frac{\textrm{40}}{\textrm{45}}  = \frac{8}{9}

Hence, the probability of cured people in who took the remedy is 8/9.

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2 years ago
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kifflom [539]
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What is the greatest common factor of 73 and 30
sergij07 [2.7K]

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they have no other common factors

4 0
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Read 2 more answers
The diagram above, not drawn to scale,shows a triangle, ABC, with area 28units². Show workings.
Valentin [98]

A. (0,-6)
plug in the area to the area formula for a triangle (A=1/2bh). so 28=1/2b(4) [since the height is 4]. divide by 4 (7=1/2b). multiply by 2/divide by 1/2 (14=b). the base equals 14 units long.
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