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Natasha_Volkova [10]
2 years ago
7

What is one characteristic of a cosine function

Mathematics
1 answer:
Helen [10]2 years ago
8 0
They are periodic functions with a period of 2π. The domain of each function is (−∞,∞) and the range is [−1,1]
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What the answer tonthis question 10x=-4(2x-9)​
mylen [45]

10x = 4(2x -9)

10x = 8x - 36

10x - 8x = -36 - 8x

2x = -36

2x ÷ 2 = -36 ÷ 2

x = -18

If you need a better explanation just as in the comments.

Happy to help! Please mark as BRAINLIEST! Thanks

7 0
3 years ago
If △ABC ≅ △DEF, then what corresponding side is congruent to side BA? (Enter answer using segment letters only.)
sdas [7]
<h3>Answer is   ED</h3>

note: ED is the same as DE. The order of the segment letters does not matter.

============================================

Explanation:

In the sequence ABC, the letter B is the second letter and A is the first.

So the corresponding segment to BA will have its first slot be the second letter of DEF, and its second slot be the first letter of DEF. That's how I'm getting ED for the answer. It is the same as DE because it's the same segment.

The corresponding sides are congruent due to the CPCTC which stands for "corresponding parts of congruent triangles are congruent".

3 0
3 years ago
The speeds (in miles per hour) of motorists ticketed during one day on a five-mile stretch of highway are
Inga [223]

Answer:

19

Step-by-step explanation:

Range is solved by subtracting the lowest and highest numbers which int his case is 70 and 89 so that make 19

8 0
2 years ago
I need 1-4 please help me
Neko [114]
1. A = ¹/₂bh
    A = ¹/₂(25)(4)
    A = ¹/₂(100)
    A = 50 yd²

3. A = ¹/₂bh
    A = ¹/₂(3)(1)
    A = ¹/₂(3)
    A = 1¹/₂ cm²
5 0
3 years ago
Write the following in simplified radical form.
REY [17]

Step-by-step explanation:

I think the answer is like this

7 0
2 years ago
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