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Ierofanga [76]
2 years ago
8

SUPER EASY POINTS, i also need some clarification on this question... would i be correct?

Mathematics
2 answers:
Brut [27]2 years ago
8 0

Answer:

B) \frac{1}{3}

Step-by-step explanation:

When y varies directly with x, the relationship is y=kx where k is the constant of proportionality. Hence, k=\frac{y}{x}.

So, your answer would not be correct because you did \frac{x}{y} instead of \frac{y}{x}, so the correct option would be the reciprocal, or \frac{1}{3}.

bulgar [2K]2 years ago
4 0

Answer:

\bf  \sf \dfrac{1}{3}

<h3>Explanation:</h3>

<u>Take points</u>: (6, 2), (3, 1)

To \ find \ proportionality = \sf \dfrac{y_2-y_1}{x_2-x_1}

<em>Insert values</em>

\rightarrow \sf \dfrac{1-2}{3-6}

<em>Simplify</em>

\rightarrow \sf \dfrac{-1}{-3}

<em>Cancel out the negatives</em>

\rightarrow \sf \dfrac{1}{3}

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5 x 10⁻³ is a scientific notation.

5 is the coefficient
10 is the base
3 is the exponent. The sign of the exponent signifies which direction the decimal point moved.

negative sign means that the decimal point moved from left to right in writing the scientific notation.
positive sign means that the decimal point moved from right to left in writing the scientific notation.

5 x 10⁻³ is 0.005 in standard form.

had the exponent been positive.
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17+p=7p-13 Plz help me asap
Hunter-Best [27]

First you had to subtract by seventeen from both sides of equation form.

17+p-17=7p-13-17

Then simplify.

p=7p-30

Next, subtract by seven-p from both sides of equation form.

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Then you divide by negative six from both sides of equation form.

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And finally, simplify by equation.

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Final answer: \boxed{p=5}

Hope this helps!

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