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Cloud [144]
3 years ago
7

PLEASE HELP ME WITH EMPIRICAL RULE!! ASAP!

Mathematics
1 answer:
Nat2105 [25]3 years ago
8 0

Answer:

hahahahahahahahahahhahahahahhahahahahhahagagagaggagagagahhahahahahha

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1) After a dilation, (-60, 15) is the image of (-12, 3). What are the coordinates of the image of (-2,-7) after the same dilatio
BARSIC [14]

Answer:

a) k = 5; (-10, -35)

Step-by-step explanation:

Given:

Co-ordinates:

Pre-Image = (-12,3)

After dilation

Image = (-60,15)

The dilation about the origin can be given as :

Pre-Image(x,y)\rightarrow Image(kx,ky)

where k represents the scalar factor.

We can find value of k for the given co-ordinates by finding the ratio of x or y co-ordinates of the image and pre-image.

k=\frac{Image}{Pre-Image}

For the given co-ordinates.

Pre-Image = (-12,3)

Image = (-60,15)

The value of k=\frac{-60}{-12}=5

or k=\frac{15}{3}=5

As we get k=5 for both ratios i.e of x and  y co-ordinates, so we can say the image has been dilated by a factor of 5 about the origin.

To find the image of (-2,-7), after same dilation, we will multiply the co-ordinates with the scalar factor.

Pre-Image(-2,-7)\rightarrow Image((-2\times5),(-7\times 5))

Pre-Image(-2,-7)\rightarrow Image(-10,-35) (Answer)

7 0
3 years ago
Please Help<br> a in a complete sentence, describe the angle relationship in the diagram
Art [367]
The sum of angles is equal to 180 so they are called supplementary angles
5 0
2 years ago
Read 2 more answers
Please help, I’ll give thanks and brainliest.
snow_lady [41]

Answer:

Upper answer is right......

5 0
3 years ago
What is the circumference of the circle with 22 inches
jeka94
Circumference formula is given by 2πr
If you meant 22 inches radius then it'll be 44π

If the diameter is 22 inches then the radius is half the diameter which is 11.
Now the circumference would be 22π in this case.
5 0
3 years ago
A proportional relationship between the number of pounds of potatoes (x) and the price in dollars (y) is graphed, and the ordere
Ronch [10]

Part A

We have x = 4 and y = 3 paired up together.

This says that 4 pounds of potatoes cost $3

The price per pound (aka unit price) is y/x = 3/4 = 0.75 dollars = 75 cents.

Answer: 75 cents per pound

========================================

Part B

The ordered pair (8,6) means x = 8 and y = 6 pair up together.

So in this case, 8 pounds of potatoes cost $6.

notice how y/x = 6/8 = 3/4 = 0.75 dollars = 75 cents here as well. So we get the same unit cost.

8 0
3 years ago
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