Answer:
24
Step-by-step explanation:
Answer:
c = 33
Step-by-step explanation:
23 + 2/3c = 45
Subtract 23 from oth sides
2/3c = 22
multiply both sides by 3/2
c = 33
Answer:
a. 4 hours
b. if studio b increases' its hourly price, the two studios will never have the same price.
Step-by-step explanation:
The function for studio 1 is
cost = 8(hours) + 10
studio 2
cost = 6(hours) + 16
they cost the same after 4 hours. making a table really helps.
Answer:
x = 53
y = 30
Step-by-step explanation:
Step(I):-
Given equations are
x -2y =-7 ...(I)
5x-9y =-5 ..(ii)
The matrix form AX = B
The determinant
By using Cramer's Rule
Δ₁ =
The determinant is Δ₁ = -9 X -7 - (10 ) = 53
x = Δ₁ / Δ
x = 53
The determinant
Δ₂ =
Δ₂ = -5 +35
y = Δ₂/Δ = 30