Answer:
r = 4
Step-by-step explanation:
17 = 9 + 2r subtract both sides by 9
8 = 2r divide both sides by 2
4 = r
D because you can’t put a negative over a exponent
The z-score counts the number of standard deviations from the mean. Then the meaning in gallons of a difference in z-score is found by multiplying the z-score difference by the value of a standard deviation.
(3 -0)*1.2 = 3.6 . . . . gallons.
The 3rd selection is appropriate.
If we let x be his hourly rate, his basic pay is equal to 20x. The equation that would best described the given above is expressed as,
20x + (1500 - 20x)(0.16) = 1500
The value of x from the equation is 75. Therefore, Piper's hourly rate is $75.
Honestly anna made a scale drawing, in inches, of a building using a scale of 1:600. her scale drawing was 6 inches long. Greg made a scale drawing of the same building using a scale of 1:300. how long, in inches, was greg’s scale drawing.