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gulaghasi [49]
2 years ago
13

16.

Mathematics
1 answer:
dsp732 years ago
4 0
Answer
B
Explanation
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Kelly Slater and Andy Irons are in a surf competition among 10 competitors.
Delvig [45]

Answer:

The probability that Kelly will place 1st and Andy will place 2nd is 1/90, or 1.11%.

Step-by-step explanation:

Since Kelly Slater and Andy Irons are in a surf competition among 10 competitors, to determine, if all surfers are at an equal surfing level, then what is the probability that Kelly will place 1st and Andy will place 2nd, the following calculation must be performed:

1/10 x 1/9 = X

0.1 x 0.11 = X

0.01111 = X

1/90 = 0.011111 = X

Therefore, the probability that Kelly will place 1st and Andy will place 2nd is 1/90, or 1.11%.

5 0
2 years ago
Write the equation of a line that is
zvonat [6]

Answer:

y=0.5x-5

Step-by-step explanation:

Since the equation is parallel, this means that the slope remains the same which is 0.5.

The remaining thing to do is to find b or y-intercept. To do that, the point (6,-2) and the slope of 0.5 will be used.

-2=0.5(6)+b

When solving for b, it will equal to -5.

Therefore the new equation that is parallel is y=0.5x-5

6 0
3 years ago
Help with both of them please! Giving max points.
nikdorinn [45]

Answer: D

Step-by-step explanation:

7 0
3 years ago
The present age of Andy and Mike are in the ratio 5:3. If Andy had been 7 years older and Mike 7 years younger, the age of Andy
Tju [1.3M]

Answer: Andy is 35 and Mike is 21.

Step-by-step explanation:

Andy’s present age: Mike’s present age

= 5:3

Andy’s age in “if”: Mike’s age in “if”

=6:2

1 unit = 7

5 unit = 35 (Andy’s age)

3 unit = 21 (Mike’s age)

6 0
2 years ago
THIS IS SO IMPORTANT PLZ HELP
Varvara68 [4.7K]

Step-by-step explanation:

{b}^{2}  - 12a

where

a =  \frac{1}{4}  \\  \\ b = 8

{8}^{2}  - 12 \times  \frac{1}{4}  \\  \\ 64 - 3  \times 1 = 64 - 3 = 61

6 0
2 years ago
Read 2 more answers
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