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Digiron [165]
3 years ago
12

What is the most accurate name for the polygon shown in the figure? A. decagon B. hexagon C. octagon D. heptagon

Mathematics
1 answer:
miss Akunina [59]3 years ago
7 0
C. octagon but even though u dont have no picture
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Please solve with explanation 8 points
11111nata11111 [884]

Answer:

See below.

Step-by-step explanation:

Given :-

x² + bx + c = 0 if x₁ + x₂ = -b and x₁x₂ = c

Solving :-

a) x₁ = 1/2 and x₂ = -3/4

=> x² + -(1/2 + -3/4)x + 1/2(-3/4)

=> x² + -(-1/4)x + (-3/8)

=> x² + 1/4x - 3/8

=> 8x² + 2x - 3 = 0

b) x₁ = 1 + √5 and x₂ = 1 - √5

=> x² + -(1 + √5 + 1 - √5)x + (1 + √5)(1 - √5)

=> x² - 2x + 1 - 5

=> x² - 2x - 4 = 0

3 0
2 years ago
The price of a new dishwasher is £376. This price includes VAT at a rate of 17.5%. What was the price before VAT was added?
dsp73
£376=117.5% so (376/117.5)= 1% x 100= £320 is the original price
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2 years ago
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