Answer: C
Step-by-step explanation:
Ap3x
X= 6 y=9 and the last one is -40 i believe. the middle ones i'm not sure of
<span>3h-9n-8 use h=6 and N=-2
</span><span>3(6) -9(-2)-8
= 18 + 18 - 8
= 28</span>
Answer:
Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.
(1/3×4/4)+(1/4×3/3)=?
Complete the multiplication and the equation becomes
4/12+3/12=?
The two fractions now have like denominators so you can add the numerators.
Then:
4+3
12= 7/12
This fraction cannot be reduced.
Therefore:
1/3+1/4=7/12