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3 years ago

PLEASEEEE I NEED HELP!!!! Find k in the following arithmetic sequence: 4k-k^2, 3k, k

1 answer:

3 0

3k - (k-2) = (k-2) - (k+7) 3k = (k-2) - (k+7) + (k-2) 3k = 2(k-2) - (k+7) 3k = 2k - 4 - k - 7 3k = k - 11 2k = -11
k = -5.5

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Answer:

All real number

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Serhud [2]

Answer:

Proportion states that the two fractions or ratios are equal

Given the equation: $\frac{1.5}{4x+1} = \frac{0.4}{x+4}$

By cross multiply we get;

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Using distributive property; $a\cdot (b+c) = a\cdot b+ a\cdot c$

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Subtract 0.4 from both sides we get;

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Subtract 1.5x from both sides we get;

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Divide both sides by 0.1 we get;

$x = \frac{5.6}{0.1}$

Simplify:

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2 years ago

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Base times height equals area of a parallelogram

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