Shannon swam 100 meters in 56.24 seconds. Rick swam 100 meters
1 answer:
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Answer:
a. 7.2
b. 6
Step-by-step explanation:
Since the side lengths of similar polygons are proportional to each other, therefore:
Thus, let's find b using:
Cross multiply
Divide both sides by 15
b = 6
Let's find a using:
Cross multiply
9*12 = 15*a
108 = 15a
Divide both sides by 15
a = 7.2
The value of y is 3 when x is 6.
Solution:
The given table is the amount of cheese in ounces and the cost price.
Let x represents the amount of cheese and y represents the cost price.
The formula which derived from the table is y = x ÷ 2.
That is .
<u>To find the value of y when x is 6:</u>
Substitute x = 6 in the formula, we get
y = 3
Hence the value of y is 3 when x is 6.
Answer: There have 66.66..7% of Student own computer(s).
Step-by-step explanation:
What I did is make the whole school (270) be 100%, then I subtract from Whole school to own computer and the answer will be not own computer: 270 - 90 = 180, so there has 180 students who do not own computer, but we want to find the percentage. So we multiply 180 and 100, we will get 18,000! Then divide it to 270 and we will get 66.66..7, write it on top of 100, so it would be 66.66../100 which mean 66.66..% or 66.66..7%
Hopefully that’s helpful, if not then look the attachment include this answer to help better understanding. Good luck!
