Mathematics, 29.09.2019 15:30 leannesmith90101
Acar mechanic tested the accuracy of three speedometers. the table shows the speed registered by each of the three speedometers. the actual speed each speedometer was tested on was 90 kmph.
which statements are true?
speedometer speed displayed (kmph)
a 92
b 87
c 88
choose exactly two answers that are correct.
a.
speedometer a and speedometer c had the same percent error.
b.
speedometer c had the least percent error.
c.
speedometer c had a 0.02% error.
d.
speedometer b had about a 3.3% error.
Answers: 2
Mathematics, 21.06.2019 20:30
Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?
Answers: 1
Mathematics, 21.06.2019 21:30
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
Mathematics, 21.06.2019 21:30
Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.
Answers: 1
Acar mechanic tested the accuracy of three speedometers. the table shows the speed registered by eac...
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