Answer:
(2x - 7)³ ≠ (2x)³- 7³
Step-by-step explanation:
(2x - 7)³= (2x)³- 7³
Use pascal's triangle to expand left side. Simplify all else.
(2x)³ + 3(2x)²(-7)¹ + 3(2x)¹(-7)² + (-7)³ = 8x³- 343
8x³ + 3(4x²)(-7) + 3(2x)(49) + (-7)³ = 8x³- 343
8x³ - 84x² + 294x - 343 = 8x³- 343
LS ≠ RS
Answer:
Which number has a square root that is between 7 and 8?
NUMBER SQUARE SQUARE ROOT
6 36 2.449
7 49 2.646
8 64 2.828
9 81 3.000
Step-by-step explanation:
12 = 3 x 2"; 25 = 5?, and 35 = 5 × 7; therefore 3 x 2" x 5” x 7 = 210
<h3>f(2)=-2(2-4)²</h3><h3>f(2)=-2(-2)²</h3><h3>f(2)=-2(4)</h3><h3>f(2)=-8</h3>
<h2>(2,-8)</h2>
Answer:
-28
Step-by-step explanation:
The estimate of the circle would be 12ft