3 years ago

Is 4x positive or negative?

Mathematics

1 answer:

Nikolay [14]3 years ago

7 0

Answer:

if x is positive, the answer is positive. If x is negative, the answer is negative.

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Evaluate the expression 4^3÷(7-3)×2

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The answer should be 32

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9. A manufacturer uses a mold to make a part in the shape of a triangular prism. The dimensions of this part are shown below.

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Write a positive or negative integer that represents the situation. You earn $15 raking leaves. The integer represents the situa

beks73 [17]

Answer:

+$15

Step-by-step explanation:

Amount earned for raking leaves = $15

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Amount earned for working adds to one's wealth while expenses will be represented as negative as it decreases the amout one has ;

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3 years ago

Read 2 more answers

A figure has been dilated from the origin by a scale factor of

Darya [45]

Answer:

See Explanation

Step-by-step explanation:

The question has missing details. So, I'll solve using a general assumption.

Let one of the coordinates of the figure be

$A = (x,y)$

Let the scale factor be n

When dilated, the new figure is:

$A' = n * A$

$A' = n * (x,y)$

To return the image back to the original figure, the new scale factor mus be a reciprocal of the previous scale factor i.e. $\frac{1}{n}$

So:

$A = A' * \frac{1}{n}$

Substitute n(x,y) for A';

$A = n(x,y) * \frac{1}{n}$

$A = \frac{n(x,y)}{n}$

$A = (x,y)$

Take for instance:

$A = (2,3)$

$n = 2$ -- scale factor

$A' = n * A$

$A' = 2 * (2,3)$

$A' = (4,6)$

To get A from A', using the analysis above

$A = \frac{1}{2} * (4,6)$

$A = (2,3)$

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3 years ago