Aframe is made from wire. "the frame is in the shape of a rectangle, 30cm by 20cm. the two diagonals of the rectangle are also made from wire. calculate the total length of wire needed to make the frame and the diagonals. give your answer correct to 1 decimal place."

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

answer: 1722

step-by-step explanation:

given: the mass of saturn=

the mass of mercury=

the number of times the mass of saturn is greater than the mass of mercury

hence, the mass of saturn is 1722 times greater than the mass of mercury.

(-5,-28)

i graphed to on desmos.

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation: