A gas station sells a total of 4500 gallos of regular and premium gas in one day. The ratio of gallons of regular gas sold to ga
llons of premium gas sold is 7:2.
A) write a system of linear equations that represents this situation.
B) how many gallons sold were regular gas? How many gallons sold were premium gas?
A) write a system of linear equations that represents this situation.
B) how many gallons sold were regular gas? How many gallons sold were premium gas?
2 answers:
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Answer:
D
Step-by-step explanation:
Recall that the area of a triangle is given by:
In this case, the base is <em>x</em> and the height is <em>y</em>. Hence:
We can write the following ratios:
Solve for <em>x</em> and <em>y</em>:
Substitute:
And simplify. Hence:
In conclusion, our answer is D.
Answer:
b. 0.0228
Step-by-step explanation:
We are given that
n=40
Mean,
Standard deviation, g
We have to find the probability hat the mean weight for a sample of 40 summer squash exceeds 405.5 grams.
Hence, option b is correct.