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3 years ago

2. What is the scale factor of the dilation (with center at the origin) if point P (4, 3) becomes P’ (8, 6)?

Mathematics

1 answer:

lianna [129]3 years ago

3 0

Answer: Scale factor is 2

Divide the x coordinates: 8/4 = 2

and do the same to the y coordinates: 6/3 = 2

we get 2 each time

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8. In AABC, LA is a right angle and mzB = 45°. Find BC.

Margaret [11]

Answer:

BC = 11 $\sqrt{2}$

Step-by-step explanation:

using the sine ratio in the right triangle and the exact value

sin45° = $\frac{1}{\sqrt{2} }$ , then

sin 45° = $\frac{opposite}{hypotenuse}$ = $\frac{AC}{BC}$ = $\frac{11}{BC}$ = $\frac{1}{\sqrt{2} }$ ( cross- multiply )

BC = 11 $\sqrt{2}$

7 0

2 years ago

What’s the sum of -30 and 29

Nuetrik [128]

Answer:

The answer of -1.

Step-by-step explanation:

You have to add both numbers together :

$- 30 + 29 \\ = - 1$

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4 years ago

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(20 POINTS AND BRAINLIEST FOR BEST)

Bingel [31]

Answer:

a. 8.5a + 38

b. 6+h+x

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3 years ago

1. Which two points fail the VLT here in this graph?<br><br><br> PLEASE HELP!!!!

ivolga24 [154]

Kiki and Rose's points

They are on the same vertical line so they fail

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3 years ago

What is 32.15 in expanded fraction

agasfer [191]

Hi!

The answer is :
32.15 = (3 x 10) + (2 x 1) + (1/10) + (5/100)

That's 32.15 in expanded fraction.

Hope it helps and have a wonderful day!

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3 years ago

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