You must “reverse” the inequality sign to make the statement true: When you multiply by a negative number, “reverse” the inequality sign. Whenever you multiply or divide both sides of an inequality by a negative number, the inequality sign must be reversed in order to keep a true statement.
now heres a step by step explanation Step-by-step explanation: your welcome
Let u = 5x+1. Then du = 5·dx, and your integral is

Answer:
Step-by-step explanation:
The ladder is the hypotenuse of the triangle with legs of 3 m and 10 m.
<u>The length of the ladder is:</u>
Answer:
x = -1, y = 1
Step-by-step explanation:
x + 2y = 1
Subtract 2y from both sides
x + 2y - 2y = 1 - 2y (simplify) -> x= 1 - 2y
----
-x + y = 2
Subtract y from both sides
-x + y - y + 2 - y (simplify) -> -x = 2 - y
Divide both sides by -1
=
-
(simplify) -> x = -2 + y