Can someone simplfy to me why we use different formula in some equations for sin cos tan? Like in some instances we swap variabl
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
1. You know that:
- The roped-off area whose width is represented with <em>x,</em> it is created around a rectangular museum.
- The dimensions of the rectangular museum are: 30 ft by 10 ft.
- The combined area of the display and the roped-off area is 800 ft².
2. The area of the rectangular museum can be calculated with:
Where is the lenght and
is the width.
You have that the lenght and the width in feet are:
3. Let's call the width of the roped-off area. Then, the combined area is:
Where
4. Substitute values and simplify. Then:
The right answer is Option D.
Step-by-step explanation:
Boxes of ice cream received = 50
Ice-creams in each box = 12
Total ice-cream bars = No. of boxes * Ice cream bars in each box
Total ice-cream bars =
No. of people who had ice cream bars = 520
Ice-cream bars left = Total ice cream bars - No. of people who had ice cream
Ice cream bars left =
80 ice cream bars were left.
The right answer is Option D.
Keywords: multiplication, subtraction
Learn more about subtraction at:
#LearnwithBrainly