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OLEGan [10]
2 years ago
6

Find the length of the side x in the simplest radical form with a rational denominator

Mathematics
1 answer:
sammy [17]2 years ago
4 0
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Answer is 2

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2. (15 points) Shelly has a photo that is 7 1/3 inches tall. She wants to shrink it down to fit in a picture frame that is only
Inessa [10]

A. Which reduction should she use so the picture fills as much of the frame as possible, without being too large?

Find the scale factor to get rom 7 1/3 inches to 5 1/3 inches:

5 1/3  / 7 1/3 = 0.7272

Now rewrite the fraction as decimals:

2/3 = 0.667

¾ = 0.75

5/9 = 0.555

The closest scale that would still fit the frame would be 2/3 because it is under 0.727.

B. How much extra space is there in the frame when she uses the reduction from Part A?

Multiply the original size by the scale factor to use:

7 1/3 x 2/3 = 4 8/9

Now subtract the scaled size from the original size:

7 1/3 – 4 8/9 = 2 4/9 inches extra

C. If she had a machine that could reduce by any amount, so that she could make the reduced picture fit in the frame exactly, what fraction would the reduction be?

Convert the scale from part A to a fraction:  

0.72 = 72/99 which reduces to 8/11

5 0
3 years ago
Choose two expression equivalent to 5
aleksklad [387]
A and C I’m pretty sure D is also equivalent to 5.
7 0
2 years ago
What is the scale factor of this dilation?
maw [93]

Answer: 2 over 1

Step-by-step explanation: Division and cause i am in Honors Geometry high school

6 0
3 years ago
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SOMONE PLEASE HELP ME ASAPPPPPPPP!!!!!!!!! I WILL GIVE YOU A GOOD RATE AND MARK YOU THE BRAINLIEST JUST ANSWER THIS CORRECTLY AN
Maslowich
Okay. I’m no mathematician, but I’m pretty sure it would be 995/90 = h. I used the “/” as the divide symbol. This would be the equation because you need to divide the total by the cash per hour to be able to get the number of hours the plumber worked. I really hope this helps!
3 0
2 years ago
If the scale factor of a scale drawing is greater than one, the scale drawing is larger than the actual object
galina1969 [7]
False, for example, if the scale factor is 2, the scale drawing would still be smaller because it would be twice as smaller than the actual object.
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3 years ago
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