Mathematics, 27.10.2021 17:00 alyssacruz999
Accident investigators can estimate the speed of a vehicle involved in a crash by examining the skid
marks left by the tires on the pavement. The algebraic relationship is shown by the formula
V30fd with s representing the speed in miles per hour and d representing the skid distance in
feet. The value f is determined by the friction of the pavement: wet concrete is much more slippery
than hot asphalt. A typical value for f, assuming a dry roadway, is 0.7. After a minor car accident on a
dry day, Charlie insisted to his parents that he wasn't exceeding the 35 mph speed limit. An accident
investigator found that the skid marks left by Charlie's tires were 75 feet long. Does the investigator's
skid analysis indicate Charlie was telling the truth
Answers: 2
Mathematics, 21.06.2019 15:00
Write a corresponding real world problem to represent 2x - 125=400
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Mathematics, 21.06.2019 18:30
School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
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Mathematics, 21.06.2019 18:30
Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.
Answers: 1
Mathematics, 21.06.2019 22:20
1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.
Answers: 2
Accident investigators can estimate the speed of a vehicle involved in a crash by examining the skid...
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