Remove the parentheses and combine the like terms:
7 - -9 = 7+ 9 = 16
6i - -8i = 6i +8i = 14i
The answer is 16 + 14i
Answer:
In 22 minutes the remaining cell phone battery will be unknown.
In a of minutes the remaining cell phone battery will be 50%.
Step-by-step explanation:
Answer:
62.5%
Step-by-step explanation:
(1.2 - 3.2) / 3.2 =
- 2 / 3.2 =
- 0.625 =
- 62.5
The minus (-) reflects the decrease.
Since the ratio of their similar sides are equal hence the triangles are similar
<h3>Scale factors</h3>
Two figures are are known to be similar if the ratio of their similar sides are equal to a constant known as the scale factor.
For the triangles given, take the ratio of the sides;
12/2 = 6
30/5 = 6
36/6 = 6
Since the ratio of their similar sides are equal hence the triangles are similar
Learn more on similar shapes here: brainly.com/question/2644832
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