Answer:120
Step-by-step explanation:
calculate the sum of the negetive numbers 3x-40
=120
The way i did that in middle school was plot the points then find the slpoe and work it out from there
Step-by-step explanation:
Answer:
10 cm
Step-by-step explanation:
The area (A) of a rhombus is calculated as
A =
× d₁ × d₂ ( d₁ and d₂ are the diagonals )
Here A = 60, d₁ = 12, thus
60 = 0.5 × 12 × d₂ = 6 d₂ ( divide both sides by 6 )
d₂ = 10
The other diagonal is 10 cm