3 years ago

Solve for x: (1/2) + 4/(2x) = (x + 4)/10

1 answer:

8 0

Answer:

x = 5 , − 4

Step-by-step explanation:

Solve the rational equation by combining expressions and isolating the variable x .

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Lady_Fox [76]

The Correct Answer On Edgen Is

A) Linear pair postulate.

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2 years ago

il63 [147K]

Use the binomial theorem:

$\displaystyle (2x-9)^5 = \sum_{k=0}^5 \binom5k (2x)^{5-k}(-9)^k = \sum_{k=0}^5 \frac{5!}{k!(5-k)!} 2^5 \left(-\frac92\right)^k x^{5-k}$

The x ³ terms occurs for 5 - k = 3, or k = 2, and its coefficient would be

$\dfrac{5!}{2!(5-2)!} 2^5 \left(-\dfrac92\right)^2 = \boxed{6480}$

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2 years ago

Natalka [10]

Answer:

8 subtracted from the product of 9 and x

Hope this helps!

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2 years ago

Kaylis [27]

(9)^-2 = (1/9)^2 = 1/81

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3 years ago

Anna35 [415]

An ISOSCELES triangle has two sides equal, and two base angles are also equal.

The two sides on the left and the right are equal. The right side measures 11 inches, therefore the left side also measures 11 inches.

The correct answer option is 11 inches

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1 year ago