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Assoli18 [71]
2 years ago
13

A triangle has vertices A(0, 0), B, (–2, 8), and C(1, 7). What are the coordinates of the triangle after a dilation with a scale

factor of 4?
Mathematics
2 answers:
Elina [12.6K]2 years ago
7 0

Answer:

Basically multiply the x and y coordinates of each point by 1/2

For example, I'll do C which is ( -2 , 10 )

-2 * 1/2 = -1 and 1/2 * 10 = 5

The new coordinate is ( -1 , 5 )

Now you can try the other points

ololo11 [35]2 years ago
5 0

Answer:

Step-by-step explanation:

mutiply x and y component by 4

A(0 , 0) = (4*0 ,,4*0)

A' = (0 , 0)

B(-2 , 8) = (-2*4 , 8*4)

B' = (-8 , 24)

C(1 , 7) = (1*4 , 4*7)

C' = (4 , 28)

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Juan had 8 points in a trivia game he answered 3 more questions correctly for 2 points
Vlada [557]

Answer:

It's 14 pts total.

Step-by-step explanation:

He started out with 8. Then he answered 3 more questions that were 2 pts each. If you do 3x2, that would =6. Add 6 and 8, and you get 14!

6 0
3 years ago
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HELP ME I REALLY NEED THIS!!!
marysya [2.9K]

2+1× y =? Y=the number of weeks

7 0
3 years ago
Find the equation of the line through point (3,2) and perpendicular to 3x + 5y = 15
Vesnalui [34]

Answer:

y=5/3x-3

Step-by-step explanation:

first, let's put 3x+5y=15 into y=mx+b form

move 3x to the other side

5y=-3x+15

divide by 5

y=-3/5x+3

now, perendicular lines have slopes that are negative and reciprocal.

With our new equation we can automatically find the slope, which would be 5/3.

now, we need to find b

plug the points (3,2) into y=5/3x+b

2=5/3(3)+b

2=5+b

-3=b

so that means that our equation will now be

y=5/3x-3.

Hope this helps!

6 0
3 years ago
Find mode, but many numbers have the same number of frequency
lora16 [44]
There can be more then 1 mode.
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5 0
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A car travels 17 miles on one gallon of gas.
ehidna [41]

Answer:

y ranges from 2890 miles to 5780 miles.

Step-by-step explanation:

Let us call y the number of miles the car travels, and x the number of gallons of gas that are used, then we have the relationship

y=17x <em>(this says the car travels 17 miles for each gallon of gas).</em>

Now, when x=170, we have

y=17(170)

y=2890\: miles

and when x=340, we have

y=17(340)

y=5780\:miles

So, when x goes from 170 to 340, y goes from 2890 to 5780.

Therefore, when x ranges from 170  to 340 gallons, the distance traveled ranges from 2890 to 5780 miles.

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3 years ago
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