Answer: Answer from Plato
Step-by-step explanation:
The addition property of equality is used when an expression has a subtraction in it while the division property of equality is used when the expression has a multiplication
The addition property of equality is used to undo subtraction. The division property of Equality is used to undo multiplication
Answer:
Step-by-step explanation:
1° = π /180° radians
390° = 390* π / 180 radians; simplify
39*π / 18 = 13 π/ 6 ≈ 6. 81 radiants
Answer:
13. 144 seats
Step-by-step explanation:
13. Find 1 unit:
5 units = 120
1 unit = 120 divide 5 = 24
Find filled seats using units:
6 units = 24 x 6 = 144
Answer: 144
Answer:
see explanation
Step-by-step explanation:
The side of the square = x + 2, thus area is equal to
(x + 2)² ← expand using FOIL
= x² + 4x + 4
Given area = 7 then
x² + 4x + 4 = 7 ( subtract 4 from both sides )
x² + 4x = 3 ← as required
