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katrin2010 [14]
2 years ago
6

5 } After a dilation with center (0,0), the image of DB is D'B'. I DB = 4.5 and D'B' = 18, the scale factor of this dilation is

(1) (3) 4 (2) 5

Mathematics
1 answer:
Maru [420]2 years ago
4 0

Explanation:

The scale factor must be greater than 1 because the image of the segment is larger than the original segment.

To find the scale factor we just have to divide the length of the image by the length of the segment:

\frac{18}{4.5}=4

Answer:

(4) 4

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10 2/5 into a improper fraction
Cerrena [4.2K]

Answer:

52/5

Step-by-step explanation:

Step 1

Multiply the denominator by the whole number

5 × 10 = 50

Step 2

Add the answer from Step 1 to the numerator

50 + 2 = 52

Step 3

Write answer from Step 2 over the denominator

52/5

6 0
3 years ago
Read 2 more answers
I'm confused on this
musickatia [10]
Number 13 is c. Figure D
Number 14 is b. Figure D
6 0
3 years ago
What is an equation of the line that passes through the point (2,-5) and is parallel
Blababa [14]

Answer:

y = -6x + 7

Step-by-step explanation:

In this question, we need to find the equation of a line with the given information.

We know that the line passes through (2, -5).

We also know that the line is parallel to the line 6x + y = 6, which means that it has to have the same slope.

To make it simpler to understand, we can change the equation into slope format:

y = -6x + 6

This means that our new line should have a slope of -6.

With the information above, we can plug in our new values to get the y-intercept of our equations, since we don't have that information.

Plug in your slope and coordinates to the y = mx + b equation and solve for b:

-5 = -6(2) + b

-5 = -12 + b

Add 12 to both sides.

7 = b

Our y-intercept would be b.

Now, we can plug in all our information to get our new equation:

y = -6x + 7

Your answer would be y = -6x + 7

7 0
3 years ago
you need to buy 10lb of rice. A 2lb bag costs $1.29. A 10lb bag costs $6.99. You want to buy a 10lb bag. your friend thinks buyi
Ugo [173]

Answer:

Yes your friend is correct. If you buy five bags of the 2 lb bag then you will pay $0.54 less than what you would have to pay for a 10lb bag.

Step-by-step explanation:

1.29 x 5 = 6.45

6.99 - 6.45 = 0.54

7 0
3 years ago
Find 3 consecutive even integers such<br> that the sum of the first and third is -16.
ICE Princess25 [194]

Answer:

<em>1st number =</em> -10

<em>2nd number =</em> -8

<em>3rd number =</em> -6

Step-by-step explanation:

<em>Take the first number as x</em>

The next consecutive even number will be x+2

The 3rd even number will be x+4.

<em>Sum of 1st and 3rd number = -16</em>

(x) + (x+4) = -16

x+ x+4 = -16

2x + 4 = -16

2x = -16 -4

2x = -20

x = \frac{-20}{2}

x = -10

2nd number = x+ 2

                     = -10 + 2

                     = -8

3rd number = x + 4

                    = -10 + 4

                    = -6

<em></em>

<em>Hope this helps.</em>

4 0
3 years ago
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