3 years ago

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Mathematics

2 answers:

irga5000 [103]3 years ago

8 0

The answer is 110
To find this you add both of the other angles and when you do that is what the last angle must equal

Lerok [7]3 years ago

4 0

The angle immediately below x makes up the third angle of the isosceles triangle whose base angles are 55°. That third angle and x are "vertical" angles, hence equal. The value of x can be found from the sum of angles of a triangle:
x + 55° + 55° = 180°
x = 70°

The appropriate choice is the 2nd one:
70°

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Suppose the population of a certain city is 5416 thousand it is expected to decrease to 4787 thousand in 5 years find the percen

Marta_Voda [28]

Answer:

11.6% decrease (rounded off to the nearest tenth)

Step-by-step explanation:

Population decrease = 5,416,000 - 4,787,000 = 629,000

Percentage decrease = (decrease ÷ original population) × 100

Percentage decrease = $\frac{629,000}{5,416,000}$ × 100 = 11.61373708%