Answer:
45/4
Step-by-step explanation:
We can interpret the question to have two equation which can be solve simultaneously
a+b=7------------(1)
a-b=2------------(2)
From eqn(2) make a subject of formula
a=2+b--------(3)
Substitute the (3) into eqn(1)
a+b=7------------(1)
2+b+b=7
2b=7-2
2b=5
b=5/2
From equation (3) substitute value of b to find a
a=2+b--------(3)
a= 2+5/2
a=9/2
Then What is the value of a x b ?
9/2× 5/2
=45/4
that's right the way you have it right now in the picture all adds up to 65
Answer:
2
Step-by-step explanation:
the formula is y=mx+b
b is the y in which is 3
the m means slope which is in front of the x
so the slope is 2
Do you mean the phythagorus theorum: a squared + b squared= c squared
