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3 years ago

Which is equivalent to the ratio 4:5?

Mathematics

1 answer:

BigorU [14]3 years ago

6 0

Answer:

Step-by-step explanation:

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X² + 3x – 7=0 Solve X= or x=

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Answer:

x = 2

Step-by-step explanation:

X² = 3x - 7 = 0

X² = 3x = 7

(x + 1) (x + 2) = 7

(x + 1) + x = 7 - 2

x + x = 7 - 3

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The y intercept of a function is where x = 0 True False

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Answer:

Step-by-step explanation:

4x+8+72=180

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3 years ago

What are the solutions to the quadratic equation 98-x2=0

kifflom [539]

$98-x^2=0\qquad\text{add}\ x^2\ \text{to both sides}\\\\98=x^2\to x^2=98\\\\x=\pm\sqrt{98}\\\\x=\pm\sqrt{49\cdot2}\\\\x=\pm\sqrt{49}\cdot\sqrt2\\\\\boxed{x=-7\sqrt2\ \vee\ x=7\sqrt2}$

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3 years ago

Which is equivalent to the ratio 4:5?​

Which is equivalent to the ratio 4:5?