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timurjin [86]
3 years ago
7

Find the 21st term of the arithmetic sequence with a first term

Mathematics
1 answer:
larisa86 [58]3 years ago
7 0
At this case it could be calculated like this: 7+5*20=107
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If the radius of the circle is multiplied by a factor of 3, then the area of the circle is multiplied by a factor of
Oksi-84 [34.3K]
\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
-----\\
r=\stackrel{r\times 3}{3r}
\end{cases}\implies A=\pi (3r)^2
\\\\\\
A=\pi (3^2r^2)\implies A=9(\pi r^2)

notice, if the original area was πr², then the new area has a factor in front of it, that much.
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3 years ago
Integral of x sqrt(36+x^2) when x = 6tan theta
vova2212 [387]

(36+{x}^{2})x=6
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2 years ago
A scatterplot is used to display data for a runner where x is the number of miles run, and y is the time, in minutes, that it ta
larisa [96]

The interpretation of y = 9.5x is that: (a) For each 1 minute, the runner ran 9.5 miles.

<h3>How to interpret the equation?</h3>

The equation of the line of best fit is given as:

y = 9.5x

Divide both sides by x

9.5 = y/x

From the question, we have:

  • x ⇒ number of miles run
  • y ⇒ time

This means that:

9.5 = number of miles run/time

Hence, the interpretation of y = 9.5x is that: (a) For each 1 minute, the runner ran 9.5 miles.

Read more about scatter plots at:

brainly.com/question/6592115

#SPJ1

8 0
1 year ago
plz ingore what was clicked i mark it by accident unless it the right answer then dont ingore it plzzzzzzzzzzzzz help
Murljashka [212]

Answer:

option b

Step-by-step explanation:

f(2)=-2 is the answer

8 0
3 years ago
At the beginning of October, you have $300 in your bank account. You get $25 of allowance each week. Your cousin has $200 in her
lys-0071 [83]

Answer:

20 weeks to have the same amount for both bank accounts

Step-by-step explanation:

brainliest plss?

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2 years ago
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