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Vlada [557]
3 years ago
13

FIRST QUESTION!!!!

Mathematics
1 answer:
aleksley [76]3 years ago
6 0

Option B: 1088 is the next term in the geometric sequence.

Explanation:

The sequence is 17,68,272

We need to determine the next term.

To determine the next term, let us find the common ratio between the terms.

r=\frac{68}{17} =4

r=\frac{272}{68} =4

Thus, the common ratio is r=4

And the given sequence is a geometric sequence.

To determine the next term in a geometric sequence, we always multiply the common ratio to the current term.

Hence, the current term is 272 and the common ratio is 4.

Next term = Current term × Common ratio

                =272\times4

                =1088

Thus, the next term of the geometric sequence is 1088

Therefore, Option B is the correct answer.

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Eva8 [605]

Answer:

10

Step-by-step explanation:

Substitute n for 10, 11 and 13

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45 - 11 = 34

45 - 12 = 33

The answer is ten because when substituting n for 10, the equation

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Answer:

Option C is correct.

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Step-by-step explanation:

Given the expression:  \sum_{i=1}^{18} (7i^2+9)

Using properties of summation:

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Using properties of summation in the given expression we have;

\sum_{i=1}^{18} (7i^2+9)

= \sum_{i=1}^{18} 7i^2 + \sum_{i=1}^{18} 9

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Therefore, the following given expression uses the properties of summation to represents is, 7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18


8 0
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dsp73

9514 1404 393

Answer:

  A)  3y = x + 16

Step-by-step explanation:

The equation of a perpendicular line can be found by swapping the x- and y-coefficients and negating one of them. The constant will be chosen to match the given point.

Swapping coefficients, we get ...

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Filling in the given point, we have ...

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The equation of the perpendicular line can be written as ...

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Note that choice A is the only equation that gives a line with positive slope. The given equation has negative slope, so its perpendicular must have positive slope.

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