Answer:
Step-by-step explanation:
Given that:

This implies that the level curves of a function(f) of two variables relates with the curves with equation f(x,y) = c
here c is the constant.

By cross multiply



From (2); let assume that the values of c > 0 likewise c < 100, then the interval can be expressed as 0 < c <100.
Now,

This is the equation for the family of the eclipses centred at (0,0) is :


Therefore; the level of the curves are all the eclipses with the major axis:
and a minor axis
which satisfies the values for which 0< c < 100.
The sketch of the level curves can be see in the attached image below.
Answer:
true
Step-by-step explanation:
2log2 6- log2 9+ 1/3log2 27 =
= log2 6² - log2 9 + log2 27^(1/3)
= log2 36 - log2 9 + log2 3
= log2 [(36 × 3)/9]
= log2 12
The statement is true.
Answer:
Tip= $25
Step-by-step explanation:
<u>First, we need to round the bill to the nearest tenth.</u>
Bill= 47.84 = 50
<u>Now, we can calculate the tip using the following formula:</u>
Bill proportion= 50% = 0.5
Tip= Bill*tip proportion
Tip= 50*0.5
Tip= $25
On a $50 bill, the tip is $25. The total amount to pay is $75.
If one pound of yogurt cost 55 (cents?) then, Two yogurts cost $1.10
Three yogurts cost $1.65
Four yogurts cost $2.20
Five yogurts cost $2.75
Six yogurts cost $3.30
A)1.5 goals per match
b) 1.5x35= 52.5 so 53
Assuming she is consistent