The equation for the speed/distance

Mathematics

2 answers:

asambeis [7]3 years ago

7 0

Step-by-step explanation:

S = 93 log (d) + 65; S = wind speed; d = distance traveled by tornado

A) tornado travels 130 miles = d; find S

S = 93 log10(130) + 65

S = 261.6 mph rounds up to 262 mph

fomenos3 years ago

5 0

Answer:

22 miles

Step-by-step explanation:

s = 93 log(d) + 65 and s = 190

93 log(d) + 65 = 190
93 log(d) = 125
log (d) = 125/93
log (d) = 1.344 (rounded)
d = 10^1.344
d = 22 miles (rounded)

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What is the relative frequency of students that studied independently for more than 2 hours to the total number of students that

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This question is incomplete.

The complete question says;

The two-way table shows the number of hours students studied and whether they studied independently or with a study group.

What is the relative frequency of students that studied independently for more than 2 hours to the total number of students that studied independently?

a) 0.4 c) 0.25

b) 0.33 d) 0.11

Table is attached as image

Answer: C (0.25)

The number of students that studied for more than 2 hours as given in the table are 4.

The total number of people that studied independently include those that studied less than 2 hours and those that studied for more than 2 hours.

Those that studied less than 2 hours independently are 12.

Those that studied more than 2 hours independently are 4.

Hence the total number of people that studied independently is 16.

Therefore the relative frequency of students that studied independently for more than 2 hours to the total number of students that studied independently would be = 4/16 = 1/4 = 0.25.