Answer:
C
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = - 4x - 7 ← is in slope- intercept form
with y- intercept c = - 7 ⇒ (0, - 7 ) → C
3 x 100 + 2 x 1000
300+ 2000
2300
2.3x10^3
Answer: 6259.9 cu. cm.
For 6)
Volume, V, for a cylinder:
generally V = A * h = πr^2h, therefore,
V1 = πr1^2h for the volume enclosed by C1
V2 = πr2^2h for the volume enclosed by C2
V = V1 - V2 for the volume of the solid, the tube.
V = π(r1^2 - r2^2)h
9
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