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KengaRu [80]
3 years ago
7

What is the measure of angle C?

Mathematics
2 answers:
Darya [45]3 years ago
8 0
10.39 degrees 22/120

Romashka-Z-Leto [24]3 years ago
7 0
Angle C = arctan(22/120)

Angle C = 10.39 degrees
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What is the center of the circle represented by this equation?<br><br> x2 + (y + 9)2 = 25
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How many times does 3 go Into 20
valentina_108 [34]
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Read 2 more answers
Compare the light gathering power of an 8" primary mirror with a 6" primary mirror. The 8" mirror has how much light gathering p
tankabanditka [31]

Answer:

1.778 times more or 16/9 times more

Step-by-step explanation:

Given:

- Mirror 1: D_1 = 8''

- Mirror 2: D_2 = 6"

Find:

Compare the light gathering power of an 8" primary mirror with a 6" primary mirror. The 8" mirror has how much light gathering power?

Solution:

- The light gathering power of a mirror (LGP) is proportional to the Area of the objects:

                                           LGP ∝ A

- Whereas, Area is proportional to the squared of the diameter i.e an area of a circle:

                                           A ∝ D^2

- Hence,                              LGP ∝ D^2

- Now compare the two diameters given:

                                           LGP_1 ∝ (D_1)^2

                                           LGP ∝ (D_2)^2

- Take a ratio of both:

                           LGP_1/LGP_2 ∝ (D_1)^2 / (D_2)^2

- Plug in the values:

                               LGP_1/LGP_2 ∝ (8)^2 / (6)^2

- Compute:             LGP_1/LGP_2 ∝ 16/9 ≅ 1.778 times more

6 0
3 years ago
An animal shelter had 14 cats at the beginning of the year. since then it has taken in 4 stray cats per week. Identify the key f
Harlamova29_29 [7]

Answer:

Week 0 it’s already at 14 cats and increasing at a constant rate.

Step-by-step explanation:


8 0
4 years ago
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