<span>4x+7y=51
Plug in </span><span>y=5::
4x+7(5)=51
Simplify:
4x+35=51
</span>
<span>4x+35-35=51-35
4x=16 (÷4)
x=4
Done :)
</span>
<span>
I hope that
helps!
</span>
Answer:
The 2nd equivalent fraction to 1/2 is 2/4
Step-by-step explanation:
The 2nd equivalent fraction of 1/2 is obtained by multiplying 1/2 by 2/2.
2nd equivalent fraction = 1/2 × 2/2 = 2/4
Answer:
100
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
This is a right triangle
a² + b² = c²
16² + 12² = x²
256 + 144 = x²
400 = x²
take the square root of both sides
x = 20
