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3 years ago

HELP PLEASE 10 POINTS

Mathematics

2 answers:

Viktor [21]3 years ago

7 0

Since it is not being dilated, the answer would be 3. Hope this helps:)

Contact [7]3 years ago

6 0

Answer:

i beleive it isss 3

Step-by-step explanation:

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ella [17]

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8 0

3 years ago

If P=(2,-1),find the image of P under the following rotation. 180 degrees counterclockwise about the origin

vichka [17]

9514 1404 393

Answer:

(-2, 1)

Step-by-step explanation:

Rotating a point 180° about the origin in either direction is equivalent to reflecting it across the origin. The effect is to negate both coordinates.

(x, y) ⇒ (-x, -y) . . . . . rotation 180°

(2, -1) ⇒ (-2, 1) . . . . . P' rotated 180° from P

The coordinates of the rotated point are (-2, 1).

3 0

3 years ago

Name the relationship

Ivanshal [37]

Answer:

A vertical angle!

Step-by-step explanation:

Vertical angles sit across from each other.

4 0

3 years ago

Read 2 more answers

The pic is my answer. try to be fast with it.

Nastasia [14]

Answer:

i would say the 3rd answer

4 0

3 years ago

Read 2 more answers

Find the slope of the line going through the points (0, -5) and (-2,1)

kvasek [131]

Answer:

$\displaystyle m=-3$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (0, -5)

Point (-2, 1)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{-5-1}{0--2}$
[Fraction - Denominator] Simplify: $\displaystyle m=\frac{-5-1}{0+2}$
[Fraction - Numerator] Subtract: $\displaystyle m=\frac{-6}{0+2}$
[Fraction - Denominator] Add: $\displaystyle m=\frac{-6}{2}$
[Fraction] Divide: $\displaystyle m=-3$

8 0

3 years ago