What is the contrapositive of the statement below?
2 answers:
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Answer: a) k=8
b) The area of the addition =
The area of the entire patio after addition
Step-by-step explanation:
Given: The area of the patio before addition = 50 square feet
The area of the addition portion is given by
We can see that dimension of the total portion is
therefore, the area of the patio with the addition portion =
According to the question we have,
Therefore, The area of the addition =
The area of the entire patio after addition =
Answer:
In Grade 8, 22% of students liked volleyball.
Step-by-step explanation:
Given:
The table representing the relative frequencies of different sports in different grades among the students.
Swimming Running Volleyball Row totals
Grade 8 0.14 0.18 0.22 0.54
Grade 9 0.17 0.24 0.05 0.46
Column totals 0.31 0.42 0.27 1
Relative frequency gives the ratio of the number of quantities of a particular kind and the total number of quantities.
From the above table, we can conclude the following points:
Grade 8:
14% liked swimming, 18% liked running and <u>22% liked volleyball</u>. So, a total of 54% students liked playing sports.
Grade 9:
17% liked swimming, 24% liked running and 5% liked volleyball. So, a total of 46% students liked playing sports.
Combining students of grade 8 and 9:
31% liked swimming, 42% liked running and 27% liked volleyball.
From all the options available, we observe that, third option is only correct.
In Grade 8, 22% of students liked volleyball.