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AveGali [126]
3 years ago
8

Triangle A'B'C' is formed using the translation (x + 1. y + 1) and the dilation by a scale factor of 3 from the origin. Which eq

uation explains the relationship
between BC and B"C"?
CI
OB"C" -
3
OBC
B"C"
3
B"C"
BC
BC

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

d

Step-by-step explanation:

(x, y) ⇒ (x + 1, y +1) ⇒ (3x, 3y)

A (-3, 3) ⇒ A' (-2, 4) ⇒ A'' (-6, 12)

B (1, -3) ⇒ B' (2, -2) ⇒ B'' (6, -6)

C (-3, -3) ⇒ C' (-2, -2) ⇒ C'' (-6, -6)

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3 years ago
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Find the length of a rectangle if its
Alina [70]

Answer: L = 29cm

Step-by-step explanation:

Let's go!!

To find any rectangle area, you have to apply this formula: A = L . w , where L is the length and w is the width.

So, we have w = L - 13 (the width is 13 less than the Length) and then, perimeter is 90 cm.

Well, I hope you remember that the perimeter of rectangle is 2L + 2W. In this case, 2L + 2w = 90

Then, you might to solve this system of equation:

2L + 2w = 90

w = L - 13

Simplifying the first equation, you'll have L + w = 45 (you can divide everything of 2).

Our new system:

L + w = 45

w = L - 13

Using the substituition method:

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4 0
4 years ago
A cone is cut into a cube as shown below. If the cone has a diameter of
Butoxors [25]

Answer:

184.43in².

Step-by-step explanation:

Total surface area of the solid = volume of the cube - the volume of the cone

For the CUBE;

Volume of the cube = L³ where L is the length of one side of the cube.

Since a cone of diameter of 6in is cut into a cube, then the length of the cube will be 6in.

Volume of the cube = 6³ = 216in³

For the CONE;

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slant height l = 4.5in

the height h of the cone will be derived using the Pythagoras theorem.

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Total surface area of the solid = 216in³-31.57in³

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4 years ago
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