What is f(5) for the function f? f(x) = 2(x - 7)
2 answers:
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Answer:
The value of x:
in
Step-by-step explanation:
Given
in
in
a = x
we have to determine 'x'.
As the given triangle is a right-angled triangle.
Pythagorean Theorem:
For a right-angled triangle, with sides 'a' and 'b', the hypotenuse 'c' is defined as
so
as
in
in
- a = x
substituting the values
in
Thus, the value of x:
Given:
The mean number of emails adele received during a week was 51.
The numbers received for the six days were 39, 57, 70, 45, 71, 32.
To find:
The number of emails received on the seventh day.
Solution:
Let x be the number of emails received on the seventh day.
We know that,
Multiply both sides by 7.
Subtract 314 from both sides.
Therefore, she received 43 emails on the seventh day.