A reflection over the x axis means y valuable will be the opposite. C
Answer:
The solution is x=1,y=2,z=3
Step-by-step explanation:
The given system of equations is ;\
2x−3y+4z=8...(1)
3x+4y−5z=−4...(2)
4x−5y+6z=12...(3)
Make x the subject in equation (1)
Put equation (4) into equation (2) and (3)
Multiply through by;
Expand;
Simplify;
Equation (4) in (3)
Put equation (6) into equation (5)
z=3
Put z=3 into equation (6)
y=2(3)-4=2
Put y=2 and z=3 into equation 4
The solution is x=1,y=2,z=3
Answer:
$300
Step-by-step explanation:
Since she works 6 hours and it's $50 per hour the equation would look like:
6x$50=$300
<em>I hope this helps:)</em>
From a lamp post four feet away from her, Sandra looks up and sees a bird. Diagonally, the bird is five feet away from her. How high up is the bird.
3
The circumference is 56.52