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arsen [322]
3 years ago
14

BRAINLIEST + 7 POINTS TO FIRST CORRECT ANSWER

Mathematics
2 answers:
timama [110]3 years ago
4 0

Answer:

it has 11 faces 10 sides for the decagon + 1 for the base

It does have one face that is a decagon, which is the base, the rest are triangles

it has 20 edges

Step-by-step explanation:

lidiya [134]3 years ago
3 0

Answer:

It has 20 edges

Step-by-step explanation:

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**Solve by Elimination<br> 3 + 2x - y = 0<br> -3-7y = 10x<br> 7) x =<br> 8) y =
timofeeve [1]
Answer:

Explanation:

3 + 2x - y = 0
Or 2x - y = -3 (1)

-3-7y = 10x
Or -10x - 7y = 3 (2)

2x - y = -3 (1)
-10x - 7y = 3 (2)
———————

Multiply 5 to (1)

5(2x - y = -3)
-10x - 7y = 3
———————
10x - 5y = -15
-10x - 7y = 3
———————
-12y = -12
y = -12/-12
y = 1

Plug y value in (1)

2x - 1 = -3
2x = -3 + 1
2x = -2
x = -2/2 = -1

Therefore, x = -1 and y = 1
7 0
2 years ago
B) ¿Cuál es la relación entre el diametro y el radio?<br>​
kow [346]

Answer:

La circunferencia es una línea curva, y su longitud depende del radio o del diámetro. La relación matemática entre el radio (o diámetro) y la circunferencia se da por la siguiente fórmula: C = 2πr = πD. Donde C es la circunferencia y π=3.14.

Step-by-step explanation:

6 0
3 years ago
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Anastasy [175]

Answer: It's Already simplified!

6 0
3 years ago
Every week, Hector’s 20 hours earns $210.00. He earns a constant amount of money per hour.
lesantik [10]

Answer: 20 weeks in 1 week

in 2 weeks 40

Step-by-step explanation:

This proves that the equation is true

3 0
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valentina_108 [34]
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3 years ago
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