The half-life of the radioactive substance is 67.95 hours.
The width of the court is 30 feet!
Answer:
a. Scale Perimeter : 2.5 centimeters
Actual Perimeter : 13 centimeters
Actual Area : 10.5 square centimeters
b. Actual Perimeter : 130 mm
Actual Area : 1,050 mm
Step-by-step explanation:
a. 2.5 mm = 0.25 cm
2 (1 + 0.25) = 2.5
2 (3.5 + 3) = 13
3.5 x 3 = 10.5
b. 3.5 cm = 35 mm 3 cm = 30 mm
2 (35 + 30) = 130
35 x 30 = 1050
Answer:
y=3/2x+4
Step-by-step explanation:
1.find the slope
y2-y1/x2-x1
-5-1/-6-(-2)
-5-1/-6+2
-6/-4
3/2
slope (m) is 3/2
2.y-y1=m(x-x1)
y-1=3/2(x-(-2))
y-1=3/2(x+2)
y-1=3/2x+6/2
y=3/2x+6/2+1
y=3/2x+8/2
y=3/2x+4
