Friday
December 13, 2013

# Posts by debbie

Total # Posts: 483

calculus
for a given patient it is determined that the blood vessel may rupture if its diameter increases faster than 200 um/s. The blood vessel starts with diameter 4mm and needs to expand to a diameter of 7mm. Is it safe to inflate the balloon at a constant rate of 30 mm^3/s? What ab...

Calculus
suppose a balloon used in angioplasty is a 30mm long cylinder, with hemispherical caps at both ends.Determine a relationship between the rate of change in the volume of the balloon and the rate of change of its diameter.

math
If f(x)=x/(14 x + 11), then the domain of f includes all real numbers except

math
How do I solve this problem- how many 2/3 x 3 inch slices can I get out of eight 12 x 6 inch cakes?

Algebra II
prove the following using trigonometric identities: cos 0 (sin 0 + cos 2nd power / sin 0) = cot 2. Keep getting stuck. thanks

ETh126
Describe other measurements sociologists utilize to calculate prejudice.

physics
suppose an airplane, landing on a runway with an initial speed of 45 m/s, slows down at an acceleration rate of -5m/s/s. What will the speed of the airplaine be one second after landing?

math word problem
Melissa collected 3 kinds of leaves when she was out -elm, maple and oak. She has 2 times as many maple leaves as elm leaves and 5 times as many oak as elm leaves. Altogether she has 32 leaves. How many of each kind does she have?

Geometry
A right triangle and a square share a side. The hypotenuse of the triangle measures 10 cm. One base of the triangle measures 4 cm. Neither the known base nor the hypotenuse is the side that is shared with the square. Find the area of the square.

Math
1/2(12n - 8)

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