Area of a circle using the radius is pi*r^2, so:
A=3.14*4^2
A=3.14*16
A=50.24
Answer:
the answer is below
Step-by-step explanation:
0.013089
Change the messy words into numerals
3 times a number minus 2 equals 13
3 × n - 2 = 13
3n - 2 = 13
take 2 to the other side
3n - 2 + (2) = 13 + (2)
3n = 15
Divide by 3 on either sides to isolate n
=
3 and 3 cancels out
n = 5
check:
3 times 5 minus 2 equals 13
3 × 5 - 2 = 13
15 - 2 = 13
13 = 13
The number is 5
If order mattered, then there would be 6*5*4*3 = 30*12 = 360 different ways to form the committee. However, no single member outranks the other. Each member has equal ranking. So order does not matter.
Since order does not matter, we must consider all of the ways to arrange a single group of 4 people. That is 4! = 4*3*2*1 = 24 ways. We overcount by a factor of 24 when order doesn't matter which is why we divide the previous result (360) by 24 to get 360/24 = 15
Answer: 15
Note: you can use the combination formula n C r = (n!)/(r!*(n-r)!) with n = 6 and r = 4 to get the same answer
Answer:
Step-by-step explanation:
Just so you can see it easier, 4 inches = 2 feet.
That means you should pick graph C
What my first statement means is that you have to pick some point on the graph that translates to (say) 4 inches to 2 feet. Since that point is clear on graph C, that's what you choose.
A doesn't make that same ratio. It goes 1 to 1. That is 4 inches = 4 feet. That's not the correct ratio
B is 10 inches to 2 feet. That is no where's near the right answer. Just plot the points I'm choosing to see if the ratio holds.
D is 4 inches to 21 feet. Obviously not 2 to 1.