2(5c – 7) = 1
Distribute the 2 into the numbers within the parenthesis
10c-14=1
Add 14 to both sides
10c=15
Divide 10 on both sides
Final Answer: c= 1 1/2 or 1.5
There are 2 roots so the only way to complete the square is,
Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.
then complete the square and multiply 2 inside the brackets.
subtraction as you already get the vertex form and know how to complete the square.
Vertex Form:
Answer:
total area = 99m² + 39.4m²
= 138.4m²
Answer:
5x+1(6-4) = +1(5x6)-(5x)
Step-by-step explanation:
Answer:
400
Step-by-step explanation:
8 out of 10 remember their chargers ( multiply by 10 )
80 out of 100 remember their chargers ( multiply by 5 )
400 out of 500 remember their chargers