Answer:
y
=
m
x
+
b
in order to solve for
b
. Then, plug in known values.
y
=
0.6
x
+
0.6
Step-by-step explanation:
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Answer: Frequency Diagram
Step-by-step explanation:
It would take 93.33 hours to use 14 kilowatt hours of electricity.
Step-by-step explanation:
Given,
Electricity used in one hour = 3/20 kilowatt hours
Ratio of time to electricity = 1 : 3/20
Let,
x be the number of hours to use 14 kilowatt hours electricity.
Ratio of time to electricity = x : 14
Using proportion;
Ratio of time to electricity :: Ratio of time to electricity
Product of mean = Product of extreme
Multiplying both sides by 20/3
It would take 93.33 hours to use 14 kilowatt hours of electricity.
Keywords: ratio, proportion
Learn more about ratios at:
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Total number of animals: 40
Types of animals: 4
Adult goats: x
Adult rabbits: 2x
Child goats: 3x
Child rabbits: 2x
x+2x+3x+2x = 40
8x = 40
x = 5
There are 5 adult goats.
The correct answer is 5 adult goats.