Answer:
x = 9
Step-by-step explanation:
since the terms are in AP then there is a common difference between consecutive terms, that is
a₂ - a₁ = a₃ - a₂ ( substitute values )
x - 7 = 11 - x ( add x to both sides )
2x - 7 = 11 ( add 7 to both sides )
2x = 18 ( divide both sides by 2 )
x = 9
Answer:
The athlete will run 200 kilometers.
A atleta percorrerá 200 quilômetros no total.
Step-by-step explanation:
She will run x kilometers.
She has already run 5/8 of the distance(5/8 of x), and still needs to run 75 kilometers.
So






The athlete will run 200 kilometers.
A atleta percorrerá 200 quilômetros no total.
Answer:
44 feet
Step-by-step explanation:
square root of 121 is 11
so each side of the square is 11
11 x 4 = 44
1.4/7 in simplest form is 0.2/1 because you divide each side by 7.
Answer:
c=38
Step-by-step explanation: