x=15
Complementary means they add to make 90 degrees.
This means 2x+4x=90
2x+4x=90
combine like terms
6x=90
divide 6 from both sides
x=15
B. 3j+2 because what ever j is you will replace j with the answer multiply it by 3 and then add 2 and that's how
Answer:
c = 8x-30
23x-90
Step-by-step explanation:
Since the cost of soda is x, 8 times the cost of soda is is 8x.
Then, you have to take 30 cents away, so the cost for pizza would be 8x-30 or 8x-.30.
This is your pizza or c.
Next, to put in 3 pizzas and 5 sodas, you just multiply 3 and 5 by the corresponding variables.
So 3(8x-30) + 5(x) = 18x - 90 + 5x = 23x - 90 or 23x - .90
Answer:
Mike will only need 42 quarters to make 10.50
Step-by-step explanation:
