When you use the distance formula, you are building a(n) _____ whose hypotenuse connects two given points.
2 answers:
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Given :
Two vertical buildings 57 meters apart are 158 meters and 237 meters high.
To Find :
The angle of elevation from the top of the shorter building to the top of the taller building.
Solution :
Distance between height of building, h = 237 - 158 = 79 m.
Distance between these building , d = 57 m.
Now,
Therefore, the angle of elevation from the top of the shorter building to the top of the taller building is 54.19°.
Hence, this is the required solution.
Answer:
C and B
Step-by-step explanation:
(6)
×
← cancel 3x - 7y on numerator and denominator
= ×
=
=
→ C
(7)
÷
Factorise the denominators of both fractions
x² - 9 = x² - 3² = (x - 3)(x + 3) ← difference of squares
4x - 12 ← factor out 4 from each term
= 4(x - 3)
Then rewrite as
÷
← cancel 8 and 4 by 4
= ÷
• leave first fraction, change ÷ to × , turn second fraction ' upside down'
= ×
← cancel x - 3 on numerator and denominator
= ×
← cancel 2 and 6 on numerator and denominator
= → B