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Vinil7 [7]
3 years ago
12

Help please!!! This is a test and it's due is today. If anyone knows please help me I will mark as BRAINLIEST.​

Mathematics
1 answer:
Zarrin [17]3 years ago
8 0

Answer:

9:

  • a) 280
  • b) 1120

10:

  • 83.33%

11: not sure

12: not sure

Step-by-step explanation:

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4 0
3 years ago
What is the first step when rewriting y = -4x2 + 2x - 7 in the form y = a(x - h) + K?
frozen [14]

Answer:

h = -b/2a

Step-by-step explanation:

to find the vertex (h,k)

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5 0
4 years ago
Please help In the sequence below the first term is 2 and each term after the first is k times the preceding term where k is a c
Maslowich
Apparently k=6. It doesn't say it in the question, but I'll assume that you had a mistype and forgot to say that the second term is 12.
Anyway,
The nth term of a geometric sequence is a_{1}* k^{n-1}. Thus, the 52nd term would be 2* k^{51} and the 50th term would be 2* k^{49} When you divide the two, the 2's would cancel out and k^49 would cancel out, leaving you with 1 on the bottom and k^2 on the top. As we said at the beginning, k=6, so our answer is just 6*6=36.
8 0
4 years ago
Read 2 more answers
If sin A = 3÷<br>5 then <br><br>find sin²A​
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Answer:

12

Step-by-step explanation:

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