X + 2y = -6 Solve for y
2 answers:
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Answer:
1/15
Step-by-step explanation:
The first thing to do is to change both denominators so that they're the same. In this case, that would be 15.
Then, whatever you do to the denominator, you must also do to the numerator.
+ x =
X = 1/15
Answer:
1. 90°
2. 90°
3. 40°
4. 45°
5. 45°
Step-by-step explanation:
<u>Given:</u> ΔABC,
CD⊥AB,
m∠A=50°,
m∠ACB=85°
<u>Solution:</u>
1. ∠ADC is a right ange, because CD⊥AB, so
2. ∠CDB is a right ange, because CD⊥AB, so
3. Consider triangle ACD. The sum of the measures of all interior angles is always 180°, so
4. By Angle Addition Postulate,
5. Consider triangle ABC. The sum of the measures of all interior angles is always 180°, so