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Vaselesa [24]
3 years ago
7

Here is an easy one

Mathematics
2 answers:
kvv77 [185]3 years ago
7 0
Remember that the angles of a triangle is 180 so:

(7x+8) + (5x+2) + (7x-1) = 180
7x+8+5x+2+7x-1=180
7x+5x+7x=180-8-2+1
19x=171
X= 171/19
X=9

Therefore x=9
gavmur [86]3 years ago
4 0

Answer:

9

Step-by-step explanation:

done in other question of yours

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River C is 500 miles longer than River D. If the sum of their lengths is 5,560 miles, what is the length of each river?
AleksAgata [21]

Answer:

River D: 2780 River C: 2280

Step-by-step explanation:

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8 0
3 years ago
Lucas esta buscando piso. ¿que oferta tiene el mejor precio por m cuadrado? VILLASUR ENSANCHE: superficie: 0,75 dam cuadrados su
Jet001 [13]

Answer:

Area 1 is the best option

Step-by-step explanation:

Given Data:

Area 1 = 0.75 dam square

Price = €11,620

Area 2 = 0.009 ha

at €193,500

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Where ha ( hectare )

a ( area )

Solution

First we convert all areas to square meter ( m² )

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= 75m²

Cost of area 1/ square meter

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= €154.93 / square meter

Area 2 = 0.009 ha * 10,000

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Cost of area 2 / square meter

= €193,500 / 90m²

= €2,150 / square meter

Area 3 = 0.84a * 100

= 84m²

= Cost of area 3 / square meter

= €68,900 / 84m²

= €820.23 / square meter

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