Help, dividing fractions.
2 answers:
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Answer:
a). y = 4.5
b) Scale factor =
Step-by-step explanation:
a). Since, polygon Q is the scaled copy of polygon P
Both the figures will be similar.
Therefore, their corresponding sides will be proportional.
If x = 6,
y =
y = 4.5
b). Since, polygon Q is the scaled copy of polygon P,
Polygon Q will be the image of preimage polygon P.
Scale factor =
=
Answer: 4 V
Step-by-step explanation:
The formula for electrical power is:
Where:
is the water heater electrical power
is he water heater voltage
is the electrical resistance
Isolating :
Hence: