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Aneli [31]
3 years ago
8

A figure is dilated by a scale factor of 2.5. If the origin is the center of

Mathematics
1 answer:
katen-ka-za [31]3 years ago
3 0

Answer:

C.

Step-by-step explanation:

So, if the new image coordinates are (7,9) and it is dilated from the origin there is a rule. If it is dilated from the origin you would multiply the pre-image coordinates by the scale factor so, (kx,ky) where k is the scale factor. In this case, we would divide by 2.5 so 7 divided by 2.5 is 2.8 and 9 divided by 2.5 is 3.6. The correct answer would be C. (2.8,3.6).

Hope this Helps!!! PLZ MARK BRAINLIEST!!!

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Question 8
Lelechka [254]

Answer:

$695.88

Step-by-step explanation:

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8% of 611 = 48.88

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Stay safe! <3

6 0
3 years ago
HELP I REALLY NEED HELP
zepelin [54]

Answer: 72 inches squared

Step-by-step explanation:

So, the real floor of a classroom is 36 feet by 32 feet.

And the scale drawing, has length of the classroom equal to 9 inches.

What is the area in square inches of the floor in the scale drawing

1 foot = 12 inches

The length of the classroom, measured in feet, has been multiplied by 12, to get converted in inches. After that, it has been divided by a number, a proportion, to get to 9 inches.

36feet * 12 / x = 9 inches

432 inches / x = 9 inches

Now, to solve for x, we can cross-multiply

432 inches = 9x inches

Divide 9 inches on both sides.

x = 48

To solve the exercise, we need to calculate the floor's area in the scale drawing.

We have the length = 9 inches.

Now, let's calculate the width

Width = 32 feet * 12 / 48

Width = 384 inches / 48

Width = 8 inches

Area = Length * Width

Area = 9 inches * 8 inches

Area = 72 inches squared

Hope I helped!

6 0
2 years ago
What is a number that is greater then 50 but less then 100 and can be divided by 3
liq [111]

Answer: 60


Step-by-step explanation: 60 because if you do 3×20 You get 60 which is higher than 50 and lower than 100 :)


5 0
3 years ago
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UNO [17]

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6 0
3 years ago
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What is the domain and range of f(x)=log(x+6)-4
jarptica [38.1K]
Log of 0 or <0 does not exist 

so x + 6 must be  > 0

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or x > -6

4 0
3 years ago
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