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dimulka [17.4K]

3 years ago

15

Triangle A is the pre-image, and triangle B is the image. Find the scale factor for this dilation if the center of dilation is a

t (0,0)

1 answer:

BigorU [14]3 years ago

8 0

Answer:

The scale factor is 3

Step-by-step explanation:

6/2=3 (one of the triangles sides)

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What is the slope of the line that passes through the points (9, 5) and (21, 1)?

AleksandrR [38]

Answer:

$\displaystyle m = \frac{-1}{3}$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Algebra I</u>

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

Step-by-step explanation:

<u>Step 1: Define</u>

Point (9, 5)

Point (21, 1)

<u>Step 2: Solve for slope </u><em><u>m</u></em>

Substitute in points [Slope Formula]: $\displaystyle m = \frac{1-5}{21-9}$
[Fraction] Subtract: $\displaystyle m = \frac{-4}{12}$
[Fraction] Simplify: $\displaystyle m = \frac{-1}{3}$

5 0

3 years ago

1000 divided by 4 equal to what

Nesterboy [21]

Answer:

250?

Step-by-step explanation:

1000÷4=250

I think this is the right answer.

5 0

3 years ago

Read 2 more answers

Subtract. Simplify and write the answer as a mixed number. 5 1/3 - 2 3/4

Softa [21]

Answer:

2 7/12

Step-by-step explanation:

5 1/3 − 2 3/4

=16/3 − 2 3/4

=16/3 − 11/4

=31/12

=2 7/12

5 0

3 years ago

How to add elementary fractions step by step

kobusy [5.1K]

1/2+4/10 for example
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3 0

4 years ago

What\ would b the radius of a circle with a diameter of 8 inches\

Romashka-Z-Leto [24]

Hey!

We know that d = 2r
where,
r - radius
d - diameter
Since it is given that d = 8 inches = 20.32 cm
Therefore,
radius ( r ) = d/2
= 8/2
= 4 inches = 10.16 cm //

7 0

3 years ago