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3 years ago

-5(5c-3b-1) distribute property

Mathematics

1 answer:

andrew11 [14]3 years ago

4 0

Answer:-25c+15b+5 ..add it up then boom you'll get your answer

Step-by-step explanation:

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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.

Nonagon

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

List the multiples of 40

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

Hexagon

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

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

3 years ago

Given triangle abc is an isosceles right triangle where angle b is the right angle and line bd is an angle bisector. Which postu

Leya [2.2K]

Answer:

angle bisector theorem

Step-by-step explanation:

the angle bisector theorem tells us that if an angle is cut by a bisector than it willl be equally cut and congruent

3 0

3 years ago

Why is 1 the highest value of sine and cosine functions?

Levart [38]

The length of the sides of any right triangle are always less than the length of the hypotenuse. The sine and cosine functions find the ratio between a side and the hypotenuse, so it's always less than 1.

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3 years ago

If you were to solve this inequality, do you need to flip the Inequality symbol?

Pavlova-9 [17]

Answer: no

I would not flip the inequality symbol

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3 years ago

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What is a equivalent expression for (x+1)(x+3) in expanded form

Agata [3.3K]

$x^{2} +4x+3$

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3 years ago

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