7.91 = 8 21.9 = 22
8 + 22 = 30
Answer:
We are to find the error made by Sadie and then find the correct simplification.
The error Sadie made is that she wrote
as
instead of
.
The square root of
is
and so she could have further simplified.
The correct simplification is shown below:

Let the numbers be m and n. Then "<span>five times the quotient of two numbers" would be 5m/n.
</span>
Answer:
21/7= 3
Step-by-step explanation:
Answer:
If two pairs of corresponding angles in a pair of triangles are congruent, then the triangles are similar. We know this because if two angle pairs are the same, then the third pair must also be equal. When the three angle pairs are all equal, the three pairs of sides must also be in proportion.
Step-by-step explanation:
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