Answer:
See explanation
Step-by-step explanation:
Assuming your system is:


Then make x the subject in the first equation to get:

Put this equation into the second equation to get:





This means that:


Answer:
Variant A
Step-by-step explanation:
1)y= - 3x+1
2)y+5= - 3(x-2)
y+5= - 3x+6
y= -3x+1
They are equal
Answer:
1.5 for how far he ran in 4 seconds
Step-by-step explanation:
Geggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg like yuhh
Answer:
h = 2A/b
Step-by-step explanation:
multiply both sides by 2
2A = bh
divide both sides by b
2A/b = h