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Molodets [167]
3 years ago
9

A group of people were asked if they had run a red light in the last year. 315 responded "yes", and 190 responded "no".

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

Answer:

0.624

Step-by-step explanation:

Number who have run a red light = 315

Number who haven't run a red light = 190

From the data :

The total number of people sampled = total possible outcome = (315 + 190) = 505

Selecting a person at random, probability that the selected person has run a red light :

P = required outcome / Total possible outcomes

Required outcome = Number who have run a red light = 315

P(having run a red light) = 315 / 505 = 0.624

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Step-by-step explanation:

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2 years ago
An object is launched from a launching pad 208 ft. above the ground at a velocity of 192ft/sec. what is the maximum height reach
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Answer:

h(x) = -16x² + 192x + 208

784ft

6 sec

13 sec

Step-by-step explanation:

a)

h(x) = -16x² +vx + h_{o}

here v represent velocity

         h_{o} represent initial height of launch

       

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b)

h(x) = -16x² + 192x + 208

here a = -16

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        c = 208

x = -b/2a

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e)

Plug h(x)=0 in the equation

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x² - 12x - 13 = 0

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1x - 13x = -12

Factorised form

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3 0
3 years ago
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