Circle definition : a round plane figure whose boundary (the circumference) consists of points equidistant (=radius r) from a fixed point (the center (h,k)).

let (x,y) is a point on the circle.
its distance (r) to center is
(x-h)^2 + (y-k)^2 = r^2
... the circle equation

5 0

3 years ago

A cell phone call costs $0.08 per minute. How much would a 6-minute call cost?

ser-zykov [4K]

Answer:

28.8

Step-by-step explanation:

0.08x60 sec

4.8x6

28.8

6 0

3 years ago

Read 2 more answers

Mark is going to an awards dinner and wants to dress appropriately. He is running behind schedule and asks his little brother to

Cerrena [4.2K]

Answer:

The answer is " $\bold{\frac{2}{3}}$ ".

Step-by-step explanation:

Pick a shirt first: 3 choices

Pick slacks next: 2 choices

Then choose a tie: 1 choice

Total: $3 \times 2 \times 1 = 6$ outfits.

These will be similarly divided between the two slacks, so 3 black slack outfits of $6 = \frac{1}{2}$ . Similarly, the 6 styles are also divided between the option of 3 shirts. 2 blue shirt outfits $6 = \frac{1}{3}$

To recognize that over outfits are a mix of a blue shirt and black slack, it would be twice many more to add $\frac{1}{2} \ and \ \frac{1}{3}$ . Add $\frac{1}{2} \ and \ \frac{1}{3}$ , and remove the chance for both the black slack shirt and outfit and are one of the six outfits: