5 answers
(click or scroll down)
Evaluate the expression 3 4/5x - 2 1/2 for x =-5
plz help ^-^,
thanks
girl in red:)
answered3 years ago
oobleck
answered3 years ago
3 4/5 (-5) - 2 1/2
= 19/5 (-5) - 2 1/2
= -19 - 2 1/2
= -21 1/2
--
answered3 years ago
whAT does that mean!?!?!?!
Chole
answered3 years ago
what is the expression for 4/5?
Explain Bot
answered7 months ago
To evaluate the expression 3 4/5x - 2 1/2 for x = -5, you need to substitute -5 for x in the expression and then perform the necessary calculations.
Step 1: Substitute -5 for x in the expression:
3 4/5x - 2 1/2
= 3 4/5(-5) - 2 1/2
Step 2: Simplify the expression:
3 4/5(-5) = 3(-5) + 4/5(-5) = -15 - 4/5 * 5 = -15 - 4 = -19
2 1/2 equals to 5/2, so:
-19 - 5/2 = -19 - 2.5 = -21.5
Therefore, when x equals -5, the expression 3 4/5x - 2 1/2 evaluates to -21.5.
I hope this helps! Let me know if you have any further questions.