Twenty less a number
1 answer:
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Answer:
A = 140 in²
Step-by-step explanation:
The area (A) of the triangle is calculated as
A = bh ( b is the base and h the perpendicular height )
here b = 20 and h = 14 , then
A = × 20 × 14 = 10 × 14 = 140 in²
Answer:
Step-by-step explanation:
<u>Expression on the board :</u>
<u>Expression by the student </u>:
<em><u> Expression 1 </u></em>:
The expression 1 is equivalent to the expression on the board. Because the coefficients of x and y are same on both.
<em><u>Expression 2 :</u></em>
<em><u /></em><em><u /></em>
The expression 2 is also equivalent to the expression on the board. Because the coefficients of x and y are the same.