Answer:
105
Step-by-step explanation:
The numbers that can be used to form triangles are collectively called "triangle numbers." The n-th triangle number is the sum of all numbers less than or equal to n. It is ...
n(n+1)/2
For n=14, the number is 14(15)/2 = 7·15 = 105.
The clerk used 105 oranges to make the arrangement.
Answer:
Step-by-step explanation:
4x+1=1/3 x+ 10
Step 1. Move all terms containing x to the left and all other terms to the right.
4x-3x=+10-1
Step 2. Simplify left and right side of the equation.
1x =9 or x=9
Step 3.
Not needed, You do not need to divide in this one.
x=9
Answer:
19
Step-by-step explanation:
I believe this answer is greater than
Answer:
or 
Step-by-step explanation:
Given

Required
Solve and graph

Remove absolute bracket
or 
Solve for p
or 
or 
Divide by -1
or 
<em>See attachment for plot</em>