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Romashka [77]
2 years ago
5

What is trigonometry​

Mathematics
1 answer:
Pavel [41]2 years ago
4 0
Trigonometry. • the branch of mathematics that deals with triangles. and their sides and angles. • the study of the relationships between. the sides and angles of triangles, and.
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A 15° sector in a circle has an area of 11.9 m2. What is the area of the circle?
DaniilM [7]
<span>A 15° sector in a circle has an area of 11.9 m2. What is the area of the circle?
The area of the circle will be found as follows:
the fraction of the sector=15/360=1/24
the area of the circle will be:
area=(fraction of the circle)/(fraction of the sector)*(area of the sector)
=1/(1/24)</span>×11.9
=285.6 m²
5 0
3 years ago
b. Demonstrate that the two expressions are equivalent by substituting a with the value of 4, and then complete the sentence bel
11Alexandr11 [23.1K]

Answer

2x+5=43

Step-by-step explanation:

5 more than 2 times a number is 43

3 0
3 years ago
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In the graph shown, which ordered pair does NOT represent a solution to the graph?
andreyandreev [35.5K]
A) (1, 7) Doesn't
B) (0, 4) Doesn't
C) (2, –2) Doesn't
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All the steps are right at the exception of line 7 (and onwards)

line 6 : 6x = 42 (it's right). Now divide both sides by 6:

line 7 should be:  6x/6 = 42/6
line 8 should be: x = 7. 

8 0
3 years ago
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What is 10/56 simplified
Margaret [11]
<em>\frac{10}{56}  </em>

<em>⇒numerator and denominator are divided (÷2)</em>

<em>=\frac{5}{28}</em>

<em>Good homework :)</em>
5 0
3 years ago
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A pet store has 6 tanks of fish. Each tank has c fish. Using c , write an expression for the total number of fish in the store.
Elanso [62]

Answer:

6xc

Step-by-step explanation:


8 0
3 years ago
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