Answers JPS-202526-Chatfield Summer School-Algebra I A-CR-M1-AlleyUnit Test

Solving Systems of Linear Inequalities Answers

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The formula for the circumference of a circle is C = 2r, where r is the radius and C is the circumference. The equation solved for r is r = .

r = 4

r = 8

r = 12

r = 16

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Marta is solving the equation S = 2πrh + 2πr2 for h. Which should be the result?

– r = h

= h

S – = h

S – = h

The temperature measured in Kelvin (K) is the temperature measured in Celsius (C) increased by 273.15. This can be modeled by the equation K = C + 273.15.

C = K – 273.15

C = 273.15 – K

C = K + 273.15

C = 273.15K

The circumference of a circle can be found using the formula C = 2r.

r = C

r = C(2)

r =

Solve for k.8k + 2m = 3m + k

k = 70m

k = 7m

k =

Solve the equation for a.K = 4a + 9ab

a = K(4 + 9b)

a = 4(K + 9b)

a =

The goals against average (A) for a professional hockey goalie is determined using the formula A = 60 . In the formula, g represents the number of goals scored against the goalie and t represents the time played, in minutes.