N + d = 20 (there are a total of 20 nickels and dimes).05n + .1d = 1.4 (total change equals $1.40)
Mathematically, a ray is a portion of a line which starts at a point and goes off in a particular direction to infinity.
<span>0.950. Hope this helps. :)</span>
Answer:
No, She did not use the distributive property correctly.
Step-by-step explanation:
While multiplying
, he did not use distributive property correctly. She only multiplied 3 with
and not with 2. Also she multiplied
only with 2 and not with
.