2+5-71
7-71
-64
answer is -64
Answer:
f(-2) = 21
Step-by-step explanation:
Step 1: Define
f(x) = 3x² - 4x + 1
f(-2) is x = -2
Step 2: Substitute and Evaluate
f(-2) = 3(-2)² - 4(-2) + 1
f(-2) = 3(4) + 8 + 1
f(-2) = 12 + 9
f(-2) = 21
She has a total of 170 cubes
170/10=17 trains
Answer:
-7
Step-by-step explanation:
(7 4/9 −8)∙3.6–1.6∙( 1/8 − 3/4 )+1 2/5 ÷(−0.35)
PEMDAS, parenthesis
-5/9∙3.6–1.6∙(1/8-6/8)+1 2/5 ÷(−0.35)
PEMDAS, division
-5/9∙3.6–1.6∙-5/8-4
PEMDAS, multiplication
-5/9∙ 18/5– 8/5 ∙-5/8-4
-2-1-4
PEMDAS, subtraction
-7
Hope this helps! Please mark brainliest :)