Answer:
He could use y+3x=-4
Step-by-step explanation:
When we subtract 3x on both sides, we get y=-4-3x, which means we just solved a variable and can substitute into the other equation 2x-3y=-21
Answer:
That would be 3 glasses
Step-by-step explanation:
Because if you 1/3 only fits one cup, then you would need 3 glasses to fill the apple juice.
The answer would be E= 27 miles
You would start out by figuring out how many hours it would take him to swim by dividing 6/2 to get 3 then you would find out how long it would take him to run by dividing 15/6 to get 2.5 and you would add that to the 3 to get 5.5 and subtract that by 7 to get 1.5 which is how long he will have to complete leg 3 so you would take 18x1.5 to get 27 mph
Answer:
Step-by-step explanation:
we know that
The total area is equal to
we have
substitute
Answer:
the equation is 110=19x-4
Step-by-step explanation:
the angels shown are vertical angles meaning they are congruent so they are equal to each other