Mathematics, 26.01.2021 19:20 davienwatson8
1 of 6
calci
Pd
The power, P (watts), of a car engine is proportional to the
square of its speed, s (m/s).
When s= 45, P = 2200
Work out the power (to 1 DP) when the speed is 30 m/s
.
(х
P
u
watts
ON
Answers: 3
Mathematics, 21.06.2019 19:00
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
Mathematics, 21.06.2019 20:10
Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?
Answers: 1
Mathematics, 21.06.2019 22:30
Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?
Answers: 2
Mathematics, 21.06.2019 22:30
What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50
Answers: 1
1 of 6
calci
Pd
The power, P (watts), of a car engine is proportional to the
squa...
Pd
The power, P (watts), of a car engine is proportional to the
squa...
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