Answer:
27. 6⁄25
26. ⅖
25. ⅕
24. The fastest the runner ran was Wednesday.
Step-by-step explanation:
12⁄138 = 6⁄69 ≈ 0,0869565217
___
4⁄37 = 0,108
_
6⁄72 = 1⁄12 = 0,083 ← smallest quantity, fastest time
4⁄38 = 2⁄19 ≈ 0,1052631578
Greatest Common Divisor [GCD]: 16
Greatest Common Divisor [GCD]: 2
Greatest Common Divisor [GCD]: 8
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Answer:
Some examples of exponential and logarithmic functions in the real-world include sound (decibel measures), earthquakes (Richter scale), the brightness of stars, and chemistry (pH balance, a measure of acidity and alkalinity).
Step-by-step explanation:
9514 1404 393
Answer:
-2
Step-by-step explanation:
The solution to the system is where the lines cross. The x-coordinate of that point is its horizontal distance from the y-axis.
The solution is (x, y) = (-2, 2). The x-coordinate is -2.
Answer:
C. f(x) = 40(1/4)^x
Step-by-step explanation:
Check all the options:
When x = 0
A. f(x) = 1/4(40)^x
f(x) = 1/4(40)^0
f(x) = 1/4(1)
f(x) = 1/4
When x = 0
B. f(x) = 1/2(40)^x
= 1/2(40)^0
= 1/2(1)
f(x) = 1/2
When x = 0
C. f(x) = 40(1/4)^x
= 40(1/4)^0
= 40(1)
= 40
When x = 0
D. f(x) = 4(1/3)^x
= 4(1/3)^0
= 4(1)
= 4
Answer:
145.5 ft
Step-by-step explanation:
Since 1 inch = 75 feet, we can use this same equation and mutliply 19.4 inches on both sides:
1(19.4) = 75(19.4)
We can than simplify both sides to find our answer:
19.4 = 145.5
And don't forget to identify the unit:
145.5 ft (feet)
