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Zina [86]
3 years ago
6

Find the 7th term of arithmetic progression whose first term is 102 and common difference is -3​

Mathematics
1 answer:
melisa1 [442]3 years ago
7 0

Answer: ummm i think it's -1

Step-by-step explanation:

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16.3 N

Step-by-step explanation:

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2 years ago
(1 point) The parabola given by the equation y=−x2+10x−23 has its vertex at (h,k) for:
Sunny_sXe [5.5K]

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Calculate the maturity value for an interest-bearing note of $28,500 for 118 days at 8%
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3 years ago
Part 3: Write the equation of and graph an ellipse.
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

The center is halfway between vertices, at (4, -6).

It is also halfway between foci.

:::::

The vertices are vertically aligned, so the parabola is vertical.

General equation for a vertical ellipse:

 (y-k)²/a² + (x-h)²/b² = 1

with

 center (h,k)

 vertices (h,k±a)

 co-vertices (h±b,k)

 foci (h,k±c), c² = a²-b²

Apply your data and solve for h, k, a, and b.

center (h,k) = (4, -6)

h = 4

k = -6

vertices (4,-6±a) = (4,-6±9)

a = 9

foci (4,-6±c) = (4,-6±5√2)

b² = a² - c² = 9² - (5√2)² = 31

b = √31

The equation becomes

 (y+6)²/81 + (x-4)²/31 = 1

:::::

length of major axis = 2a = 18

length of minor axis = 2b = 2√31

8 0
3 years ago
If mark gets 41 out of 55 questions on a test what equation would he use to determine the percent correct
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Answer:

A

Step-by-step explanation:

5 0
3 years ago
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