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➷ period = wavelength / speed
period = 100 / 200
period = 0.5s
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Answer:
The probability that this occurs is 25%, as 3/6 (chance to roll an odd number) multiplied by 1/2 (chance to flip a head) is .25.
Step-by-step explanation:
1 day equals 24 hours.
18 hours / 24 hours = 0.75 days
The total days is 5.75 days.
Multiply the amount the bulb uses in 1 day by 5.75 days:
3600 x 5.75 = 20,700 watt-hours.
Let the two numbers be x and y.
The sum is 45, therefore
x + y = 45 (1)
The difference is 5, therefore
x - y = 5 (2)
Add equations (1) and (2).
x + y + (x - y) = 45 + 5
2x = 50
x = 25
From (1), obtain
25 + y = 45
y = 45 - 25 = 20
Answer: 20 and 25
Answer:
$83,320
Step-by-step explanation:
The formula to apply here is;
where;
A=Amount at the end
P=the amount to invest/principal
r=rate of interest as a decimal
n=number of compoundings in a year
t=time in years
Given that;
A=$400,000
P=?
r=8%=0.08
n=2
t=20
Substitute values in equation
P=$83,320 (to the nearest dollar)
