Ayane

How do I solve normal distribution word problems? Ex A manufacturer offers a warranty on it's coffee makers. The coffee makers have mean lifespan of 4.5 years, with standard deviation of 0.7 yeaes. For how long should the coffee makers be covered by the w...

Determine the quadratic function in vertex form (A) vertex at (-3,-10) passing through the point (2,-5) Dow do I figure it out?

How do I draw this out I am confused? The bridge forms parabolic arch. The span of the arch is 60 m and its center is 10 m above either end. (1) draw sketch of arch, include x and y acts where the vertex is at the origin. Is 10 m the axis of symmetry? Wha...

We did this qs in class so we change the equation into the vertex form Here is the solution. Y=3x^2+30x+41 y=3(x^2+10x)+41 Y=(x^2+10x+25-25)+41 Y=3(x+5)^2-34 I understand everything expected I don't know how we get -34, can you explain please?

How to solve by completing the square? 1. 4(c+3)^2=1/4 2. (2p-5)^2=1/4 3. 2w^2-3w-3=0

Simplify 3√45x-√27x+17√3x-9√125x^3

Find first term and common difference of arithmetic sequence whose 13th them is 159 and 20th is 264.

*draw x and y axes

Thanks I understand the span..it says vertex is at the origin so it is (0,0( right? Then what is 10 m?