Answer:
6x + 1
Step-by-step explanation:
1. (10x + 3) + (-4x -2) --> sum means to add.
2. Combine like terms --> 10x - 4x = 6x; 3 - 2 = 1.
3. 6x + 1
Answer:
4/15
Step-by-step explanation:
4/10*6/9
2/5*2/3
4/15
Answer:
100 red bricks
Step-by-step explanation:
Let's say red bricks is equal to 5x
Gray bricks is equal to 2x
We have an equation
2x + 5x = 140
= 7x = 140
Divide through by 7 to get the value of x
X = 140/7
X = 20
Red bricks = 5(x)
= 5(20)
= 100
Gray bricks = 2(x)
= 2(20)
= 40
Therefore in conclusion the number of red bricks is 100.
The series is increasing by 8 each time.
So that means the complete series is:
1, 9, 17, 25, 33, 41, 49
Add the last 5 digits:
49 + 41 + 33 + 25 + 17 = 165
Answer:
165
