Miscellaneous quadratic equation

Miscellaneous quadratic equation

Forensic scientists use the equation h=2.6f+47.2 to estimate the height h of woman given the length in centimeters f of her femur bone. suppose the equation has a margin of error of...

Find intervals containing solutions to the following equations. (a) f(x) = x − 3^−x = 0 b)f(x) = x^3 + 4.001x^2 + 4.002^x + 1.101 = 0. I want help how can I find...

solve for x,y and z

Please help. This is on my review packet and I don't quite understand it.

Please help. This is on my review packet and I don't quite understand it.

Please help. This is on my review packet and I don't quite understand it.

For what integral values of ‘a’ , the equation x2-x(1-a) – (a+2) = 0 has integral roots. Find the roots. Plzz hellp me solving this

Write the quadratic equation whose roots are −6 and −3, and whose leading coefficient is 3

The point at which a company's cost equal its revenue is the break even point. C represents the cost of dollars, of x units of a product and R represent the revenue in $, from the sales of x units...

Find the point slooe form of the equation of the line.

The paddle wheel of a ship is 11 feet in diameter, revolves 15 times a minute when moving at top speed, and is 2 feet below the water's surface at its lowest point. Using this speed and starting from...

I really need to know how because I am so confused on how to do it. PLEASE I NEED TO KNOW

Mark cycles from home to school at a speed of 16 km per hr. He cycles back in the same route at a speed of 15 km per hr. The total time taken for the journey is 7 3/4.given the distance from his home...

According to a study, each week the average elementary child spends 17 hours watching television, 2 hours reading books, and 10 hours playing outside. What is the ratio of number of hours...

At a gourmet nut shop, nuts are sold in bulk. Cashews sell for $1.30 per pound and macadamia nuts sell for $8.45 per pound. Lee wishes to purchase 5 pounds of mixed nuts by mixing 3.5 pounds of cashews...

Kikis brother is 15 years older than she is. Together they have a total of 43 years. How old is her brother?!

The points on the graph represent both an exponential function and a linear function. https://wca.sooschools.com/media/g_alg01_ccss_2015/9/img_alg1_9_16a_graph4.gif A.Complete this...

Solve the system analytically 2x-5y+5z=13 5x-4y-2z=-36 x-y+4z=35 The solution set is {(_,_,_)} Solve this system 3x+3y+z=0 x-3y+2z=-21 8x-2y+3z=-41 The...

Solve the system with three unknowns x+y+z=-8 2x+y-z=2 x-y+z=4 Is this an empty set, does it have one solution, or many solutions? Solve this system...