D. 15cm, 17cm, 19cm
All values increase by a scale factor of 10.
f(x)= x+10
Answer: room 101 and room 107
Step-by-step explanation:
In room 101, the ratio of boys to girls is 16:12. This is further simplified to its lowest fraction by dividing by 4. It becomes 4:3
In room 104, the ratio of boys to girls is 20:9. This cannot be further simplified to its lowest fraction.
In room 107, the ratio of boys to girls is 12:9. This is further simplified to its lowest fraction by dividing by 3. It becomes 4:3
Therefore, room 101 and room 107 have the same ratio.
Answer:
B
Step-by-step explanation:
You have already asked this type of question. so now you know how to do this.
6 persons means he shook his hand with 5 people.
like wise add all handshakes
5+4+3+2+1= 15 handshakes
Answer: B: diameter
Step-by-step explanation:
The blue line the goes across the shape is called the diameter
Hope this helps ;)
ANSWER
The radius is 4
EXPLANATION
The given equation is:

We complete the square to get the expression in standard form:


We factor using perfect squares to get:

This implies that,

Comparing to

The radius is r=4