Answer:
one is a fraction and the other is a whole number. also there is a 2 2/3 difference between them as well.
Step-by-step explanation:
If you are trying to eliminate the y, then both of the numbers in front of the y have to be the same, but one needs to be negative and the other positive.
The easiest way to do this is multiply the top equation by 3, so you'd get -6y for the top and you could cancel it out with the +6y on the bottom.
D. Multiply the top equation by 3.
Answer:
20 centimeters
Step-by-step explanation:
Karina's aquarium can hold 80 liters,which is equal to 80,000cm³.The base measure 100cm by 40cm.What is the height of the aquarium in centimeters?Round your answer to the nearest hundredth.
The shape of an Aquarium = Rectangular Prism
Volume of the rectangular prism = L × Width × Height
Volume = 80 Liters = 80,000 cm³
Base = 100 cm × 40 cm
Height of the aquarium is calculated as:
80,000cm³ = 100 cm × 40 cm × h
h = 80,000cm³/100 cm × 40 cm ×
h = 20 cm
The height of the aquarium = 20cm
Step-by-step explanation:
You can let me know, but i dont think -3x² is supposed to be squared in this question because then it would make it unsolvable.
5x-15
can be simplified to 5(x-3)
x²-3x
can be simplified to x(x-3)
Then u rewrite it (5 + x)(x - 3)
