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2 years ago

What is 0.5 + -1 1/2

Mathematics

1 answer:

lakkis [162]2 years ago

6 0

-1 is your answer.........

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Nadia is investigating rotations about the center of regular polygons that carry the regular polygon onto itself. She claims tha

GalinKa [24]

Answer:

$\theta_1 \ n\ \theta_2 = 120, 240$

Step-by-step explanation:

The question is incomplete, as the angles of rotation are not stated.

However, I will list the angles less than 360 degrees that will carry the hexagon and the nonagon onto itself

We have:

$Nonagon = 9\ sides$

$Hexagon = 6\ sides$

Divide 360 degrees by the number of sides in each angle, then find the multiples.

<u>Nonagon</u>

$\theta = \frac{360}{9} =40$

List the multiples of 40

$\theta_1 = 40, 80, 120, 160, 200, 240, 280, 320$

<u>Hexagon</u>

$\theta = \frac{360}{6} =60$

List the multiples of 60

$\theta_2 = 60, 120, 180, 240, 300$

List out the common angles

$\theta_1 = 40, 80, 120, 160, 200, 240, 280, 320$

$\theta_2 = 60, 120, 180, 240, 300$

$\theta_1 \ n\ \theta_2 = 120, 240$

This means that, only a rotation of $120, 240$ will lift both shapes onto themselves, when applied to both shapes.

The other angles will only work on one of the shapes, but not both at the same time.

7 0

2 years ago

How long is a line of 1 million centimeter cubes be?

fenix001 [56]

Answer:

1m cm

10m mm

Step-by-step explanation:

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2 years ago

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The volume of a cube is 27 cubic meters. what is its surface area in square meters?

erma4kov [3.2K]

To find the answer, take the measurement of an edge of the cube, multiply it by 6, and then square that number.

Ex:

Edge = 16

Faces in 1 cube = 6

6 * 16 = 96

96^2 (which is just 96 * 96)= 9,216

I hope this helps! :)

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2 years ago

Jill earns a salary of $425.00 per week, plus a commission of 20% on all sales. last week she sold $1,123 worth of goods. how mu

antiseptic1488 [7]

She was paid 649.60 because 20% of $1,123 is %224.6

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2 years ago

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In 10 seconds, Lauren counts 5 vehicles passing by her house. At that rate, how many vehicles would pass by in one hour?

Anna007 [38]

6 x 60 x 5 would be the equation and all of that put together would be 1,800 vehicles would pass by in an hour.

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3 years ago