Tuesday
May 21, 2013

# Posts by ben

Total # Posts: 598

physics
i need a mathematical relationship between density and height

Algebra 2
Find the distance between the points (12, 8) and (4, 2). 100 units 14 units 10 units –10 units Find the midpoint of the points (3, 1) and (7, –5). (1, 6) (2, 1) (2, –3) (5, –2) Find the vertex and focus of the parabola whose equation is 4y = x2 + 4. V(0, 4)...

Algebra 2
1. Find the midpoint and the distance between the points (8,–6) and (13, 4). 1. (4, –3), 10 units 2. 3. 4. (10, –1), 9 units 2. Find the vertex and the focus of the parabola with the equation 4y = x2 – 12x + 52. 1. V(6, 4), F(6, 5) 2. V(6, 4), F(7, 4) 3. V(...

MathHelp
The fare for riding in a taxi is a \$3 fixed charge and \$0.80 per mile. The fare for a ride of d miles is \$6.75. Write an equation that could be used to find d.

Algebra
Par Manufacturing manufactures steel rods. Suppose the rods ordered by a customer are manufactured to a specification of 0.5 in. and are acceptable only if they are within the tolerance limits of 0.49 in. and 0.51 in. Letting x denote the diameter of a rod, write an inequality...

math
well for the first one i'm pretty sure it is a parabola, and i'm confused on how you would find the vertex focus and directrix

math
how would you solve these equations? y^2+2y-2x+5=0 and (x^2/16)-(y+1)^2/(25)=1 thank you!

science
Whats a good reason for dissecting a heart and what would be the purpose?

chemistry
given 14g silver oxide, how much silver can be made?

stats
use technology to find the P-value for a two tailed test with n=28 and a test statistic t=2.032 P-value =???? Help please! i dont understand this

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