I would say B. By multiplying the first equation by -5, you create -5y. If you add that to the second equation, your cancelling out the 5y term, and get a new equation with only z and a constant.
Answer: A(108)
Step-by-step explanation:
x is x while y=x-12
x+x-12=24
=> 2x=36
=> x=18
y=18-12=>6
18*6= 108
Have a nice day! :)
Answer:
y =36
z= 54
Step-by-step explanation:
The angles 3y and 2y form a straight line, so they add to 180 degrees.
3y+2y =180
5y = 180
Divide each side by 5
5y/5= 180/5
y =36
The angles z, y, from a 90 degree angle
z+y =90
z+36 = 90
Subtract 36 from each side
z+36-36 = 90-36
z = 54
Answer:
Answer:Step-by-step explanation:Total marble = 4+6+7 = 17Number of green = 7Prob(1st green) = 7/17Now their are 6 green left and 16 marbleProb(2nd green) = 6/16 = 3/8Now their are 5 green left and 15 marbleProb(3rd green) = 5/15 = 1/3Prob(1st and 2nd and 3rd green) will be = 7/17 × 3/8 × 1/3= 7/(17×8)= 7/136.
Step-by-step explanation:
Your answer would be 1/2 I just did this one on my work
and got it correct
