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katrin2010 [14]
2 years ago
11

The sum of two numbers is 23 if one of the number is halved the sum will become 17

Mathematics
1 answer:
cricket20 [7]2 years ago
8 0

Answer:

The two numbers being added are 12 and 11

Step-by-step explanation:

23-17=6

6x2=12

12+<u>?</u>=23 ⇒  23-12=11

12+11=23


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You want to enlarge a 4 x 5 inch photo to fit into a 1 inch wide frame
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The 4•x by 5•x inner dimensions of the 53 inches outer perimeter picture frame, the 1 inch wide frame and the 4 × 5 inch picture to be enlarged, gives;

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<h3>Which method can be used to write the equation and find the scale factor?</h3>

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Width of the frame = 1 inch

Outer perimeter of the frame = 53 inches

The width of the inside of the picture frame = 4•x

The height of the inside of the picture frame = 5•x

a. The equation for the outer perimeter of the picture frame is therefore;

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Which gives;

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A simplified equation for the outer perimeter of the picture frame is therefore;

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b. Solving the above equation, we have;

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Therefore;

x = 45 ÷ 18 = 2.5

x = 2.5

The width and height of the picture frame are therefore;

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sf = 12.5/5 = 2.5

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Learn more about linear scale factors here:

brainly.com/question/19381630

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2 years ago
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