Adanysa
20.04.2020 •
Mathematics
Which of the following best describes d, the diameter of a circle?
A. The ratio of circumference of the circle to pi.
B. exactly 3.14
C. The ratio of the diameter of a circle to pi.
D. The square of the circumference of a circle
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Ответ:
At 6 hours, they both charge the same amount
Step-by-step explanation:
You need to create an equation for each.
BB: y=13+ 3x
DD: 1 + 5x
Since they are asking to find when they are the same amount, you equal the two equations and solve for x.
13+3x=1+5x
12=2x
x=6