3 years ago

Help ill give brainleist

Mathematics

2 answers:

Tresset [83]3 years ago

6 0

Answer:

The circumference of the circle is 18.85.

Step-by-step explanation:

Use the formula C=2πr

2 x 3.14 x 3 is 18.95

ser-zykov [4K]3 years ago

6 0

18.85 is the answer

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Gekata [30.6K]

Answer:

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Step-by-step explanation:

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3 years ago

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47+ ...?

Alex

Answer:

$\huge\boxed{18,475}$

Step-by-step explanation:

The terms of this sum make the arithmetic sequence.

The fomula of a sum of <em>n</em> terms of an arithmetic sequence:

$S_n=\dfrac{[2a_1+(n-1)d]\cdot n}{2}$

We have

$a_1=2\\d=17-2=32-12=47-32=15\\n=50$

Substitute:

$S_{50}=\dfrac{[2\cdot2+(50-1)\cdot15]\cdot50}{2}=(4+49\cdot15)\cdot25=(4+735)\cdot25\\\\=739\cdot25=18,475$

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3 years ago

PLZ ANSWER!

lisabon 2012 [21]

Answer:

357

Step-by-step explanation:

5% of 340 is 17 add that to 340, the price of bicycle by itself and you get 357

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2 years ago

Graph y > x^2 - 5. Click on the graph until the correct one appears.

kenny6666 [7]

$y=x^2\\\\for\ x=\pm2\to y=(\pm2)^2=4\to(-2;\ 4);\ (2;\ 4)\\\\for\ x=\pm1\to y=(\pm1)^2=1\to (-1;\ 1);\ (1;\ 1)\\\\for\ x=0\to y=0^2=0\to (0;\ 0)$

Shift the graph of the function y = x², 5 units down /look at the picture #1/.

$y > x^2-5$ /look at the picture #2/ - your answer

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3 years ago

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Step-by-step explanation:

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3 years ago

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