The average height of a random sample of 30 adult females was 66 inches with a standard devation of 1.9 inches. The confidence interval was found to be 65.3 to 66.7. FInd the T value and the confidence...

The average height of a random sample of 30 adult females was 66 inches with a standard devation of 1.9 inches. The confidence interval was found to be 65.3 to 66.7. FInd the T value and the confidence...

forty liters of a 60% disinfectant solution are to be mixed with a 20% solutionto dilute it to a20% solution. How much of the 10% solution must be used

log^2(base,5)(argument,x)+log(base,2)(argument,x)=2

Let f(x) = 2x2 + x − 3 and g(x) = x − 1. Find f(x)/g(x) and state its domain

x^2/x-2 * x^2+3x-10/x^2+2x solve and find out what numbers x can't be? ANSWER NEEDED ASAP

3x^3/6y^2 * 4y^5/7x^4 multiply and find out what x can't be??? answer needed asap

x^2+x-6/x^2+9x+14 - 8/x+7 solve(subtraction) and find out what x can't be? answer needed ASAP

3x^3/7y^5 divided by 18x/21y^3

solve and find out what x can't be? answer needed ASAP 1/x+2 + 3/x^2-4

It just a algebra 2 word problem question

the numbers below shows the number of people ,y, who have heard a rumor about a storm x hours after midnight

Johannes Kepler showed that for a satellite in orbit, the square of the time for one orbit is proportional to the cube of the orbits radius. A Satellite orbiting at a radius of 16,000km makes...

2. You are planning to go on this trip in 2 years. How much money will you need to invest at a 2.3% interest rate compounded annually in order to have $2400 in 2 years? Use the compound...

4/5 ----------- 2 _ 5 -- --- 25 16

a. Find an equation in the form V(t) = V01 + rt, where V0 is the value of the diamond in dollars in June 2005, r is the average annual growth rate, t is the time in years since June 2005, and...

Write the equation for the ellipse with a vertex at (-6, 0) and a focus at (3√3, 0). Please show work when you solve it.

Write the equation for the ellipse with a vertex at (-6,0) and a focus at (3√3,0). Solve this please.

1. Simplify the rational expression. State any restrictions on the variable. 6 2 ------ ...

find a quadratic model for the set of values: (-2,-20), (0,-4), (4,-20)

plz help i just dont understan how to do it