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BARSIC [14]
1 year ago
10

A scale drawing of an ant uses a scale of 1 centimeter = 1.5 millimeters. If the actual ant is 5 millimeters long, find the leng

th of the ant on the drawing.
Mathematics
1 answer:
krek1111 [17]1 year ago
8 0

Answer:

7.5 cm

Step-by-step explanation:

\frac{\ell}{5}=\frac{1}{1.5} \\ \\ \ell=7.5

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the line with a slope of 1/3 and a y- intercept of - 15 intersects the line passing through which of these pairs of points?
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Answer:

Options (C), (D) and (E)

Step-by-step explanation:

Slope of the given line = \frac{1}{3}

Any line having same slope will be parallel to the given line otherwise the lines will intersect.

Therefore, we will find the slope of the lines passing through two points given in the options.

Option A

Slope of the line passing through (12, -13) and (15, -12)

m = \frac{y_2-y_1}{x_2-x_1}

   = \frac{-13+12}{12-15}

   = \frac{1}{3}

Therefore, both the lines are parallel having no point of intersection.

Option B

Slope = \frac{-9+7}{18-24}

          = \frac{1}{3}

Both the lines are parallel having no point of intersection.

Option C

Slope = \frac{-20+21}{15-18}

          = -\frac{1}{3}

Therefore, both the lines will intersect.

Option D

Slope = \frac{-15+14}{30-36}

          = \frac{1}{6}

Both the lines will intersect each other.

Option E

Slope = \frac{-11+10}{24-30}

          = \frac{1}{6}

Both the lines will intersect each other at a point.

Options (C), (D) and (E) are the correct options.

6 0
3 years ago
What does 2 times the quantity x plus 6 look like in an equation
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Artyom0805 [142]

Answer:

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Step-by-step explanation:

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Answer:

A

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How many dimensions does a polygon have?
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A polygon is a 2-dimension figure....
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