Start by getting one of the equations in terms of one variable, in this case lets put the first equation in terms of y
2x+y=3 ---> y=3-2x
now we plug that into the second equation
5x-2y=12 ---> 5x-2(3-2x)=12
we can then multiply and simplify
5x-2(3-2x)=12 ---> 5x-6+4x=12 ---> 9x-6=12 ---> 9x=18 ---> x=2
we can now plug x=2 into an equation to solve for y
2(2)+y=3 ---> 4+y=3 ---> y=-1
Answer:
<u>the prime factors of 630 are 2, 3, 5, 7. Therefore, the product of prime factors = 2 × 3 × 5 × 7 = </u><u>2</u><u>1</u><u>0</u>
Answer:
7.5 gallons
Step-by-step explanation:
you do 180 divided by 40 = 4.5
you then do 105 divided by 35=3
you then add 4.5 gallons and 3 gallons to get 7.5 gallons
Answer:
D
Step-by-step explanation:
