5x^2 - x + 9=?x=3needs to be simplified
2 answers:
5(3)²-3+9=?
15²-12=?
225-12=213
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Each classroom donated around 320 cans(or more) of food.
320x28=8,960.
Density =mass/ volume
Volume= density/ mass
Answer:
top one is 0.6 bottom one is 0.1
16x² - 8x + 1 = (4x)² - 2 · 4x · 1 + 1² =(4x - 1)²
Used: (a - b)² = a² -2ab + b²
Answer:
17 pants and 9 shirts
let x rep pants
let y rep shirts
x + y =26
225 x + 125 y =4950
x = 26 - y
225(26 - y) + 125y= 4950
5850-225y+125y = 4950
5850-100y=4950
-100y=4950-5850
-100y=-900
y=9
x = 26 - (9)
x = 17
