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Alexxandr [17]
3 years ago
8

Which lines are perpendicular?

Mathematics
2 answers:
Leokris [45]3 years ago
8 0

Answer:

bruh i need too see the lines send the lines lol

Step-by-step explanation:

BigorU [14]3 years ago
3 0

Answer:  Please show the lines:)

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Use sigma notation to represent the sum of a geometric series with a first term of 3 and a common ratio of . A. B. C. D.
maksim [4K]

Answer:

\Sigma_{k=1}^{n}[3(\frac{10}{9} )^{k-1}]

Step-by-step explanation:

A geometric sequence is a list of numbers having a common ratio. Each term after the first is gotten by multiplying the previous one by the common ratio.

The first term is denoted by a and the common ratio is denoted by r.

A geometric sequence has the form:

a, ar, ar², ar³, . . .

The nth term of a geometric sequence is ar^{n-1}

Therefore the sum of the first n terms is:

\Sigma_{k=1}^{n}(ar^{k-1})

Given a geometric series with a first term of 3 and a common ratio of 10/9, the sum of the first n terms is:

\Sigma_{k=1}^{n}[3(\frac{10}{9} )^{k-1}]

5 0
3 years ago
Graphing inequalities
tangare [24]
Something along the lines of this...

6 0
3 years ago
What is the slope for (4,7) and (-1,4)?​
harina [27]

<em>The slope is 7/4</em>

<em>This means that for every 7 that Y changes, X changes by 4. Also, the problem would not go through the origin of a graph.</em>

<em>Hope this helps and have a nice day.</em>

<em>-R3TR0 Z3R0 (復古零) </em>

7 0
3 years ago
The minute hand of a clock is exactly 6in in length, and the tip of the minute hand has traveled ten inches since noon. What tim
frutty [35]
\bf \textit{arc's length}\\\\&#10;s=\cfrac{\theta \pi r}{180}\qquad &#10;\begin{cases}&#10;r=radius\\&#10;\theta =angle\ in\\&#10;\qquad degrees\\&#10;------\\&#10;r=6\\&#10;s=10&#10;\end{cases}\implies 10=\cfrac{\theta \pi 6}{180}\implies \cfrac{180\cdot 10}{6\pi }=\theta &#10;\\\\\\&#10;\cfrac{300}{\pi }=\theta \implies 95.49^o\approx \theta

now, the circle of the clock has 360°, if we divide it by 60(minutes), we get 360/60, just 6° for each minute.

now, if there are 6° in 1 minute, how many minutes in 95.49°?

well, just 95.49/6 or about 15.92 minutes, I take it you can round it up to 16 minutes.

so 16 minutes since noon, so is about 12:16, about time get the silverware for lunch.
3 0
3 years ago
Please help!!!!!!!!! I'll mark brainliest if you give an explanation!!!!
ohaa [14]

Answer:

whichu

Step-by-step explanation:

5 0
2 years ago
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