Simplify the expression: 1.9b + 8.2(8.8 + 1.2b)
1 answer:
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Answer:
A≅562.45π u²
Step-by-step explanation:
Knowing that the volume the a solid is V=πR²h, then A=πR², therefore
A=π(4√x), integrating on both sides ∫A=4π∫√xdx ⇒ ∫√xdx =
evaluated (60,77), then
Answer:
B
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
Calculate m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (7, 5) and (x₂, y₂ ) = (- 4, - 1)
m = =
=
Use either of the 2 points for (a, b)
Using (a, b) = (- 4, - 1), then
y - (- 1) = ( x - (- 4)), that is
y + 1 = (x + 4)