Segment AE is congruent to segment EB
1 answer:
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Answer:
20 gallons were used from the tank with the octane rating of 80.
Step-by-step explanation:
Given : One tank of gasoline has an octane rating of 140 and another tank of gasoline has an octane rating of 80. To obtain a mixture of 60 gallons with an octane rating of 120.
To find : How many gallons should be used from the tank with the octane rating of 80?
Solution : Let x be the volume of gas whose octane rating is 140 and
y be the volume of gas whose octane rating is 80.
Then, we form the equation as:
(1)
or .........[3]
(2)
Now multiply equation (2) by 4
...........[4]
Subtract (4) from (3)
Put x in equation [4] we get,
Therefore, x=40 and y=20
So, 20 gallons were used from the tank with the octane rating of 80.
Answer:
B
Step-by-step explanation:
18 = 2 * 3 * 3 = 2 *3²
Hint:
<u>Hope this helped!</u>
<u>First Row</u>
6
5
(this one is already done)
<u>Second Row</u>
4
5
6
11
Answer:
your answer will be
Step-by-step explanation:
hope this helps have a nice day :)
