2x+3y=6
subtract 2x from both sides.
3y=6-2x
divide by 3 on all sides.
y=2-2/3x
Answer:
16 presents
Step-by-step explanation:
Since you know that one present is 3 cm of tape, if he used a total of 48 cm, you can divide 48 into 3 to get 16 presents.
Answer:
90
Step-by-step explanation:
the forumla of a triangle is base times height, divided by 2 and since it has a height of 12 and a base of 15, and if you multiply that it would give you 180, then divide by 2 since it is half a sqaure, which is 90
Total number of coins is: 16 + 28 + 32 +4 = 80 coins
He sold 15% of them. "of" means multiply.
80 x 15% is the same as 80 x .15
80 x .15 = 12
He sold 12 coins
Answer:
X²+y²-8x-4y=5
Step-by-step explanation:
Putting value of (h, k) =4,2 and radius, r=5 in the equation
(x-h) ²+(y-k)²=r²