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aksik [14]
3 years ago
14

NEED HELP ASAP! WILL MARK BRAINLIEST!

Mathematics
1 answer:
kenny6666 [7]3 years ago
7 0

Answer:

y=2x-20

Step-by-step explanation:

For perpendicular lines, find the opposite reciprocal of the original slope.  The opposite reciprocal of the slope of this line (-1/2) is positive 2

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Gragh the image of the figure after a dilation with a scale factor of 1/4 centered at (5, -5) please help
svetoff [14.1K]

Answer:

See attached diagram

Step-by-step explanation:

Triangle ABC has vertices A(9,3), B(-7,-5) and C(-3,7).

The dilation with a scale factor of 1/4 centered at (5, -5) has the rule

(x,y)\rightarrow \left(\dfrac{1}{4}x+\dfrac{15}{4},\dfrac{1}{4}y-\dfrac{15}{4}\right)

Then

A(9,3)\rightarrow A'\left(\dfrac{1}{4}\cdot 9+\dfrac{15}{4},\dfrac{1}{4}\cdot 3-\dfrac{15}{4}\right)=A'(6,-3);

B(-7,-5)\rightarrow B'\left(\dfrac{1}{4}\cdot (-7)+\dfrac{15}{4},\dfrac{1}{4}\cdot (-5)-\dfrac{15}{4}\right)=B'(2,-5);

C(-3,7)\rightarrow C'\left(\dfrac{1}{4}\cdot (-3)+\dfrac{15}{4},\dfrac{1}{4}\cdot 7-\dfrac{15}{4}\right)=C'(3,-2).

6 0
3 years ago
What type of proportion is shown in 12 : 4 = 24 : 8?​
Dmitry [639]

Answer:

3:1

Step-by-step explanation:

7 0
3 years ago
Help! please it is almost due
sesenic [268]

Answer:

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Step-by-step explanation:

4 0
3 years ago
A plane has to travel 2,800 miles at an average speed of 560 miles per hour. How many hours will it take to reach its destinatio
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2800/560 = 5

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7 0
3 years ago
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(look at the pictures)
-BARSIC- [3]

Step-by-step explanation:

the function A, according to the tables

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the slope = 3

based on the value of the slope, the function B has a greater rate of change

8 0
3 years ago
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