3 years ago

Help plsssssss someone

Mathematics

2 answers:

Ede4ka [16]3 years ago

6 0

Answer:

672

Step-by-step explanation:

oksano4ka [1.4K]3 years ago

3 0

The answer would be C.

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Read 2 more answers

2) As part of traffic accident investigations, the speed of a car involved can be approximately determined by checking actual sk

dezoksy [38]

a) The speed of car was 60 mph.

b) The speed of car was 45 mph.

Step-by-step explanation:

Given,

a = actual skid marks

p = test skid marks

Formula;

$s=30*\sqrt{\frac{a}{p}}\\$

a) a = 144 feet, p = 36 feet

Putting in formula;

$s = 30*\sqrt{\frac{144}{36}}\\\\s=30*\sqrt{4}\\\\s=30*2\\\\s=60$

The speed of car was 60 mph.

b) a = 153 feet, p = 68 feet

Putting in formula;

$s=30*\sqrt{\frac{153}{68}}\\\\s=30*\sqrt{2.25}\\\\s=30*1.5\\\\s=45$

The speed of car was 45 mph.

Keywords: substitution, speed

Learn more about substitution at:

#LearnwithBrainly

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