Answer:
R=-13
Step-by-step explanation:
S=-1-r/5-2
4=-1-r/3
Cross multiply
4*3=-1-r
12=-1-r
Collect like terms
12+1=-r
-r=13
Divide both sides by -
r=-13
The amount of balls in a given layer can be found by squaring the layer it is in
4 layers
top layer (1st) is 1
2nd is 4
3rd layer is 9
4th is 16
add them up
1+4+9+16=30
30 in that pyramid
F(x) = |x| + 4
f(0) = I 0 I + 4===> (0,4)
f(0) = - 0 +4 ===> (0,4)
Answer:
The median is 8.5
Step-by-step explanation:
When you find the median of an even amount of number, you add the two middle numbers and divide by 2.
