3 years ago

What is true about rotations ?

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

A rotation is a isometry, a rigid motion. It preserves length, angles, and parallelism.

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If someone could please help me I’m confused thanks:)

Sedbober [7]

<h3>Answer: x = 45</h3>

Work Shown:

x+x+90 = 180 .... all three angles of a triangle add to 180

2x+90 = 180

2x = 180-90

2x = 90

x = 90/2

x = 45

This is a 45-45-90 right triangle. We also consider it an isosceles right triangle because the base angles (45) are equal.

3 0

2 years ago

Simplify the expression to one number using order of operations:

geniusboy [140]

<h2><u>COMBINED OPERATIONS</u></h2><h3>Exercise</h3>

First, let's solve the subtraction (in parentheses):

$\mathsf{\dfrac{-8\left(2-6\right)}{2}}$

$\mathsf{\dfrac{-8(-4)}{2}}$

Now, let's solve the multiplication. Remember: in multiplication, two negative numbers will give a positive number:

$\mathsf{\dfrac{-8(-4)}{2}}$

$\mathsf{\dfrac{32}{2}}$

Finally, let's solve the division:

$\mathsf{\dfrac{32}{2} = 16}$

<h3><u>Answer</u>: 16</h3>

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3 years ago

A spinner is divided into five congruent sections, numbered 1 through 5. If the arrow on the spinner is spun, what is the probab

Snowcat [4.5K]

D.2/5 because 3/5 are odd so the remaining 2 are even so 2/5 are not odd!

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3 years ago

if i tossed a coin two times and the results are heads and heads. What is the probability in fraction form?

shutvik [7]

Answer:

Hshhsbsbzbzbxbdbdbddns

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2 years ago

The inverse of a function is a function?

Harlamova29_29 [7]

yes because you do the opposite so it would not be a function

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3 years ago