Mathematics, 29.07.2019 17:00 guyfromnasa
Check my work will give medals if you tell if this is right or ! let f(x)=x+5 and g(x)=x^2. find (g o f) (4) a. 9 < my answer b. 81 c. 20 d. 1 2. police can estimate the speed of a vehicle before the brakes are applied using the formula 0.75d=s^2/30.25, where s is the speed in miles per hour and d is the length of the vehicle's skid marks. what was the approximate speed of a vehicle that left skid marks measuring 140 feet? a. about 10 miles per hour < -- my answer b. about 75 miles per hour c. about 15 miles per hour d. about 56 miles per hour,
Answers: 2
Mathematics, 21.06.2019 13:30
Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can
Answers: 2
Mathematics, 21.06.2019 19:00
Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?
Answers: 2
Mathematics, 21.06.2019 19:30
If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b
Answers: 1
Check my work will give medals if you tell if this is right or ! let f(x)=x+5 and g(x)=x^2. find...
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