What is (21 x 1.3) - [(7.5 x 4)] + (1 ^6 - 0.33)

r and t.

both are 64 degrees.

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

16

step-by-step explanation: