Answer:
11 years old
Step-by-step explanation:
If four brothers have the average age 6, then the sum of their ages is
years.
Let x years be the age of sister. If four brothers and their sister have the average age 7, then
Multiply this equation by 5:
The sister is 11 years old.
Answer:
It's going to be B and E because it's in the hundreds place not in the tens or whole
<span>A small cell has a large Surface are/volume ratio and therefore can exchange molecules with it's external environment rapidly.
Here, we can see the ratio is 6:1, which is very large ratio, so it will transport very rapidly. Thus, it denotes that cell can easily get the material it needs that move across it's surface
Hope this helps!</span>
A. Radius: Segment(O-R)
B. Diameter: Segment(Q-P)
C. Chord: Segment(S-T)
D. Segment(P-Q) = 16.
Answer:
x=4
Step-by-step explanation:
(2x+3)^2=121
2x+3=square root of 121
2x+3=11
2x=11-3
2x=8
x=4
(in a square all sides are equal therefore area =length ×width where length and width=2x+3)
