Does anyone know what 8x+4 = 3x+2?

x= -2/5 or -0.4

Step-by-step explanation:

an acronym that i use that helps me is D.C.M.S. ( distribute, combine like terms, move variable, solve) so first you want to distribute, but since there is no need for distribution in this problem, we can skip that, as well as combining like terms. so then, we have to move the variable. i moved the 3x by subtracting it on both sides. so now we have 5x+4=2. then you just solve from there; subtract 4: 5x= -2; divide by 5. hope this helps :)

8  + 4 = 3  + 2 8x+4=3x+2 8x+4=3x+2 8  + 4 − 4 = 3  + 2 − 4

Step-by-step explanation:

Subtract 4 4 4 from both sides of the equation

I don't know I'm not good at math.

answer: ratio of volume of cone (with 3 times the height and equal diameter) to volume of cylinder is 2 to 1. the value of π is not used.

step-by-step explanation:

radius is diameter/2 = 4.

area of circle is π r^2.

volume of cylinder is height × area of base = hπr^2 = 3(4^2) π = 48π cubic inches.

not knowing the formula for volume of cone, i calculate it using calculus (which is for calculating things).

volume of cone is integral 0 to h area(y) dy. area(y) is π r(y)^2. r(y) runs r to zero as y runs zero to h, r(0) = r, r(h) = 0.

r(y) = r - r/h y

area(y) = π (r - r/h y)^2 = π (r^2 - 2r^2y/h + r^2y^2/h^2) = π r^2(1-2y/h+y^2/h^2)

antiderivative area(y) = π r^2 (y-y^2/h+y^3/(3h^2))

integral 0 to h = π r^2(h-h^2/h+h^3/(3h^2) - (0)) = π r^2(h - h + h/3) = π r^2(h/3) = π/3 r^2 h

volume of this cone is π/3(4^2)18 cubic inches.

= 6 16 π = 96π cubic inches.

cone has twice the volume, 96/48.

cone height is 6 times the cylinder.

ratio of volume formula: π r^2 cancels.

cone over cylinder ratio is 6h/3 to h, 2 to 1.

english, cause i can’t you