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maria [59]
3 years ago
10

I need help with this question

Mathematics
1 answer:
olga2289 [7]3 years ago
5 0

Answer:

The scale factor is 1 to 3

Step-by-step explanation:

Here, we want to determine the dilation scale

As we can see we have a dilation of 9 to 27

The ratio here will be;

9 to 27

which is 1 to 3

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Step-by-step explanation:

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2 years ago
An engineer stands 200 feet from a tower and sights the top of the tower at a 45° angle of elevation. Find the height of the tow
Alik [6]
Drawing a diagram of a triangle may be helpful. The hypotenuse is irrelevant, but the vertical leg and the horizontal leg are useful. Since we know the engineer is looking up at a 45 degree angle from a distance of 200 feet, we can label the vertical leg the "opposite", since it is on the opposite side of the angle we are given. The horizontal leg then becomes the "adjacent". You can then use trigonometry to solve for the opposite. 
The options are:
sin(theta)= opposite/hypotenuse
cos(theta)= adjacent/hypotenuse
tan(theta)= opposite/adjacent
Since we don't care about the hypotenuse, the last equation is the one to use. The angle we are given can be substituted in for theta:
tan(45)= x/200
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6 0
3 years ago
The perimeter of a rectangle is 40 feet. if the lenght is 15 feet, 6 inches, what is the width
SpyIntel [72]
4 feet 6 inches
Step-by-step explanation:
P=2(l+w) [the addition of all sides of the rectangle]
P = 40'
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So, 40' = 2 (15’6’ + w)
40' = 31’ + 2w
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4’6” = w
If it's easier you can break it change feet into inches and then change back to feet.
3 0
3 years ago
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