She is correct! This is so because 3 goes into .9 by .3 times. Hope this helped!
Answer:
$20.96
Step-by-step explanation: 6.45 times three equals 19.35 plus a quarter of 6.45 equals 1.6125 which you round to 1.61. So 19.35+1.61= 20.96
Use the formula.
Area = (1/2)*13*10*sin(72°) ≈ 61.8 units².
Answer:
X= 2 Y=5
Step-by-step explanation:
Set them equal
-2x+9=4x-3 add -2x to both sides and -3 to both sides
12=6x then divide by 6
x=2
plug in 2 to either equation and solve for Y.
Y=-2(2)+9
Y=5
Answer:
Step-by-step explanation:
12.4
you have to multiply 1 5/9 times 8