Answer:
The efficiency is 84%.
Step-by-step explanation:
The efficiency is the percentage that it delivers, so it can be solved by a rule of three.
6.3 watts - x
7.5 watts - 1
So the efficiency is 84%.
After a sleepover, 3/4 of a large pepperoni remained. The next day, he ate 1/8 of what was left over. What fraction of a large p
1 answer:
You might be interested in
Given:
Image of the ellipse
To find:
The equation of the image
Solution:
The given image is a ellipse.
Center of the ellipse = (0, 0)
x-axis points are (-3, 0) and (3, 0).
y-axis points are (2, 0) and (-2, 0).
Standard form of equation of ellipse:
where (h, k) is the center = (0,0)
a is the point on x-axis where y = 0. Hence a = 3.
b is the point on y-axis where x = 0. Hence b = 2.
Substitute this in the standard form of ellipse.
To make the denominator same multiply 1st term by and 2nd term by
.
Multiply by 36 on both sides
The equation of the image is .
Multiply , quantity and price,
.
Hope this helps :)