2 years ago

Please help with 20 through 25

1 answer:

5 0

Easiest way to find the arc is
2 * pi * r * ( the central angle (CA)/ 360)
20.pi* 2* r * central angle/ 360 = AB
2*r=24 CA/360=90/360=.25
pi*24*.25=pi * 6

So you should be able to use that formula on the rest :)

You might be interested in

the time t required to drive a certain distance varies inversely with the speed, r. if it takes 4 hours to drive the distance at

valina [46]

Hello,

Answer A

d :the distance in miles
t: the time in hours
v: the speed in miles/hours (vistesse)

d=v*t
==>d=40*4=160(mi)

d=55*x=160==>x=160/55=2.909090... (mi/(mi/h)=h)≈2.91(hours)

8 0

2 years ago

Suppose that we were going to conduct a study to determine if there is an decrease in risk of getting lung cancer based on wheth

nalin [4]

Answer: Option C

Step-by-step explanation:

In group(1), the risk is= 5/2000 x 100

= 0.25

In group(2), the risk is= 5/1000 x 100

= 0.5

The sample relative risk is= 0.25/0.5

= 0.5

So, option C is correct.

7 0

2 years ago

How to write 9 thousands 3 hundreds 4 ones

Nataly [62]

the answer is 9304=9 thousands 3 hundreds 4 ones

5 0

2 years ago

Read 2 more answers

To shift the graph of an equation some number of units to the

malfutka [58]

Answer:

a right

Step-by-step explanation:

7 0

2 years ago

At pizza express it takes 6 cups of cheese to make 15 pizzas. At perfect pizza it takes 4 cups of cheese to make 6 pizzas. If th

rodikova [14]

Pizza Express has a larger constant of proportionality than Perfect Pizzas because 1.6 > 1.5

15/6 6/4

Simplify

5/3 > 3/2

PE: 5/3 or 1.6

PP: 3/2 or 1.5

I had this on my math test

4 0

3 years ago