Choose the equation that is equivalent to this statement: 4 is 80% of x Math item stem image CLEAR CHECK 4x=0.8 4=0.8x 4⋅0.8=x x4=80100

4=0.8x

Step-by-step explanation:

4 = 80% of x

4 = 80/100 × x

4 = 0.8x

4 = 0.8x

Step-by-step explanation:

We need to translate these into mathematical equations:

- "4 is"; "is" always means "=", so we have "4 = ..."

- "80%" is just 80/100 because remember that % means "out of 100"

- "of x"; "of" always means "×", so we use multiplication: "* x"

Put this altogether:

4 = (80/100) * x

80/100 = 8/10 = 0.8

4 = 0.8x

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation: