Hello!
Explanation:
↓↓↓↓↓↓↓↓↓↓↓
First this problem it should be the group like terms.
Then you add similar elements.
You can also add or subtract by the numbers.
Answer⇒⇒⇒3d+9
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-Charlie
Just saying you have a 25% chance of getting it right if you guess
Answer:
x = 11 units
Step-by-step explanation:
Area of triangle = (base + base 2) * h *1/2
so (7 + x )* 7 * 1/2 = 63
63 x 2 = 126
126 / 7 = 18
18-7 = x
x = 11
Check
(7+11)* 7 * 1/2
18* 7 = 126
126 x 0.5 = 63
CORRECT!
(p.s., tell me if wrong :P)
Answer:
Step-by-step explanation:
