2/3 of 18...." of " means multiply
2/3 * 18 = 36/3 = 12 miles
Answer:
x= 9
Step-by-step explanation:
Answer:
Volume is 80 cc
Ratio is 23 skittles per 20 cubic centimeter
Volume of a skittle is .416 cubic centimeters per skittle
Step-by-step explanation:
Volume = l*w*h = 4*4*5 = 80 cubic centimeters
192 skittles / 80 cubic centimeters is the ratio. You have to simplify it though.
192/80=46/40 23 skittles per 20 cubic centimeters
The volume of a skittle is 80 cubic centimeters/192 skittles = .416 cm^3/skittle
The answer is triangle number 2
Answer: (1, 4)
Explanation: When using the method of elimination, the goal is to eliminate a variable by either adding or subtracting the 2 equations. For this question, you can choose either to eliminate X or Y. I’ll eliminate X as an example:
In order to eliminate a variable, the same variable in both equations must have the same coefficient.
(1) 3x+y=7
(2) 2x+5y=22
Multiply (1) by 2:
(3) 6x+2y=14
Multiply (2) by 3:
(4) 6x+15y=66
Now that X in both equations has the same coefficient of 6, you can subtract the two equations to officially eliminate the variable and solve for Y:
Subtract (4) from (3):
-13y=-52
y=4
Now that you have the value of Y, substitute that into either one of the equations to get X. I’ll use the first equation as an example:
3x+(4)=7
3x=3
x=1
Therefore, the point of intersection is (1, 4).
Hope this helps シ