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Nat2105 [25]
2 years ago
12

I don’t really know ratios

Mathematics
1 answer:
Leokris [45]2 years ago
8 0

Answer:

Pencils to erasers:  18:12    18/12     18 to 12

Pens to markers:   9:6    9/6   9 to 6

Step-by-step explanation:

Hope this helps!

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4 0
2 years ago
The diagram below shows a student using a clinometer to measure the height of a flagpole. When the student stands 40 feet away f
AVprozaik [17]
The correct answer is the flagpole is <span>33 feet high</span>.

Explanation:
Please refer to the attached picture.

We know:
CD = 40 feet
AC = 5 feet
∠BDC = α = 35°

Using trigonometry, we know that the definition of the tangent of an angle is the ratio between the opposite side and the adjacent side, therefore:
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Solving for BC:
BC = CD · <span>tan α
      = 40 </span>· tan (35)
      = 28 feet

In order to find the height of the flagpole, we need to add the distance of the clinometer from the ground:
AB = BC + AC
      = 28 + 5
      = 33

Hence, the flagpole is 33 feet high.

5 0
3 years ago
If it doesn't give me the perimeter, how do i find x from this? thank you!​
Mariulka [41]

The way the angles are labeled tell you that they are all congruent. The two triangles you see here also share the side that joins them. Then by the angle-side-angle postulate, the two triangles are congruent, so x + 23 = 13, or x = -10.

6 0
2 years ago
Which of the following is an arithmetic sequence?
Mashcka [7]
The following answer would be D because I’m guessing and I need the answers too sorry
6 0
3 years ago
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