Suppose that 12 inches of wire costs 72 cents. At the same rate, how many inches of wire can be bought for 42 cents?

7 inches

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7

Step-by-step explanation:

72÷12=6

so 6 cents for an inch

42÷6=7

step-by-step explanation:

9.55 degrees.

step-by-step explanation:

the given angle is

1 cycle is equal to 2π radians. so 4π will be equal to two cycles.

5.166667π-4π = 1.166667π

hence, this angle goes a little more than negative x axis.

1.166667π-π= 0.166667π

hence, the reference angle is 0.166667π radians.

1 radian = 57.2958 degrees

now, in degrees, this should be equals to 9.55 degrees.