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neonofarm [45]
3 years ago
12

What is m∠PTR? a. 12 b. 40 c. 50 d. 140

Mathematics
1 answer:
nata0808 [166]3 years ago
7 0

Answer:

d. 140

Step-by-step explanation:

QTR is a 180 degree angle, so we can assume  PTR is 140 degrees because (x+28) is (12+28)= 40

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What is the common difference in the following arithmetic sequence? n an 1 –12 2 –1 3 10 4 21 –11 –1 1 11
aivan3 [116]

Answer:

11 is the common difference of the given sequence.

Step-by-step explanation:

Here the given sequence is

Terms           1          2           3        4    

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6 0
4 years ago
Read 2 more answers
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Katena32 [7]

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4 0
3 years ago
Find geometric mean of 4 and 12?
Law Incorporation [45]
The geometric mean is different than algebraic mean - algebraic is adding up all the numbers and dividing it by the number of numbers, but geometric is multiplying them and getting the root of the product of all the numbers. For example, if there were 10 numbers, we would have the 10th root of the product of all the numbers or the product to the power of 1/10.

Since there are 2 numbers, we simply have the square root - \sqrt{4*12} =2* \sqrt{12} = 4* \sqrt{3} due to that 2²=4, so we can divide what is in the square root by that and take the 2 out.
Feel free to ask further questions
4 0
3 years ago
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