<span>A right triangle has a 28° angle.
As you know a</span> right triangle<span> is a </span>triangle<span> in which one angle is a </span>right angle that equal 90° angle.
Now you know 2 angles values: 28° and 90°
So the third angle = 90° - 28° = 62°
Answer:
28°, 62°, 90°
Answer:
the answer of the expression is 190
Step-by-step explanation:
Given expression as :
20 % of 950
Or,
times 950
Or,
× 950
Or, 20 × 
or, 20 × 9.5
∴ 190
Here are some examples of how the Quadratic Formula works:
<span>Solve <span>x2 + 3x – 4 = 0</span></span>
This quadratic happens to factor:
x2 + 3x – 4 = (x + 4)(x – 1) = 0
.
Then, as expected, the solution is <span>x = –4, x = 1</span>.
Answer:
-3a² - ab - 7ac - 2b² + 6bc + 4c²
Step-by-step explanation:
Step 1: Distribute
3a² + 3ab + 3ac - 2ab + 2b² -2bc
Step 2: Combine like terms
3a² + ab + 3ac + 2b² - 2bc
Step 3: Distribute again
-4ac + 4bc + 4c² - (3a² +ab + 3ac + 2b² -2bc)
Step 4: Combine like terms again
-3a² - ab - 7ac - 2b² + 6bc + 4c²
And you have your final answer.
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