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Dmitrij [34]
3 years ago
6

PLEASE HELP! i have by the end of the day to turn this in. PLEASE DONT GUESS

Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0

Answer:

x = 101°

Step-by-step explanation:

the bottom left angle inside the triangle is supplementary to the angle which measures 148°, so the m∡ is 32°

47 + 32 + x = 180

79 + x = 180

x = 101°

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3 years ago
Read 2 more answers
Find the value of the discriminant for <img src="https://tex.z-dn.net/?f=7x%5E%7B2%7D%20%2B5x%2B1%3D0" id="TexFormula1" title="7
kondor19780726 [428]

Answer:

No real roots

Step-by-step explanation:

Given

7x² + 5x + 1 = 0 ← in standard form

with a = 7, b = 5, c = 1

To determine the nature of the roots use the discriminant

Δ = b² - 4ac

• If b² - 4ac > 0 then roots are real and distinct

• If b² - 4ac = 0 then roots are real and equal

• If b² - 4ac < 0 then the roots are not real

Here

b² - 4ac = 5² - (4 × 7 × 1) = 25 - 28 = - 3

Thus the 2 roots are not real

7 0
3 years ago
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