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lesantik [10]
3 years ago
7

Examine the rotation. Which best describes point D?

Mathematics
1 answer:
larisa86 [58]3 years ago
8 0

Answer:

Center of rotation

Step-by-step explanation:

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We are given a sequence of five non-zero numbers, where the sum of each term and its neighboring terms is 15 or 25. Find the sum
PSYCHO15rus [73]

We have a sequence that meets the given criteria, and with that information, we want to get the sum of all the terms in the sequence.

We will see that the sum tends to infinity.

So we have 5 terms;

A, B, C, D, E.

We know that the sum of each term and its neighboring terms is 15 or 25.

then:

  • A + B + C = 15 or 25
  • B + C + D = 15 or 25
  • C + D + E = 15 or 25

Now, we want to find the sum of all the terms in the sequence (not only the 5 given).

Then let's assume we write the sum of infinite terms as:

a_1 + a_2 + a_3 + a_4 + a_5 + a_6 + ...

Now we group that sum in pairs of 3 consecutive terms, so we get:

(a_1 + a_2 + a_3) + (a_4 + a_5 + a_6) + ...

So we will have a sum of infinite of these, and each one of these is equal to 15 or 25 (both positive numbers). So when we sum that infinite times (even if we always have the smaller number, 15) the sum will tend to be infinite.

Then we have:

(a_1 + a_2 + a_3) + (a_4 + a_5 + a_6) +  ... \to \infty

If you want to learn more, you can read:

brainly.com/question/21885715

3 0
2 years ago
Callie surveyed 40 students at her school to see how many have dogs and/or cats. She found that 40% of students who have dogs, d
Mrac [35]
It's hard to type a table into these little boxes.  Could you possibly draw the table on paper and share an image of the table here?

This is called a "contingency table" and is often associated with "dependent probability."


5 0
3 years ago
John used 1 3/4 kg of salt to melt on his sidewalk. He then used another 3 4/5 kg on the driveway. If he originally bought 10 kg
Natali [406]

Answer:

he have left 4.45 kg

Step-by-step explanation:

The computation of he have left is as follows:

= Total salt purchase - salt used on his sidewalk - sales used on the driveway

= 10 - 1 \frac{3}{4} - 3 \frac{4}{5}\\\\= 10 - \frac{7}{4} - \frac{19}{5}\\\\= \frac{200 - 35 -76 }{20}  \\\\= \frac{89}{20}

= 4.45 kg

Hence, he have left 4.45 kg

4 0
3 years ago
? 36 52 76 88 what is the missing number
bixtya [17]

Answer:

I think the missing number is 28

3 0
3 years ago
A triangle can be right angled and scalene. true or false
Korolek [52]
False, because a right angled triangle has two congruent sides since it is 90 degrees and the definition of a scalene triangle: (has no congruent sides) makes it not possible.
7 0
2 years ago
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