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Makovka662 [10]
3 years ago
10

1+2=212+3=363+4=434+5=​

Mathematics
2 answers:
Oxana [17]3 years ago
5 0

Answer:59?

Step-by-step explanation:

wlad13 [49]3 years ago
4 0
58? I think this because I am guessing and need help
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Shows that n+1Cn= mCn-1 + mCn
ArbitrLikvidat [17]

Answer:

I think the Question is incorrect; the left hand side of the equation should be

m+1Cn

Step-by-step explanation:

4 0
2 years ago
5(2x − 12) + 21 = 2x + 41<br><br> I know the answer is 10 but can someone explain how to get that?
dsp73
5(2x-12)+21=2x+41\\\\5\cdot2x-5\cdot12+21=2x+41\\\\10x-60+21=2x+41\\\\10x-39=2x+41\qquad|+39\\\\10x-39+39=2x+41+39\\\\10x=2x+80\qquad|-2x\\\\10x-2x=2x+80-2x\\\\8x=80\qquad|:8\\\\\boxed{x=10}
6 0
3 years ago
Read 2 more answers
#14 two cars start from the same point, at 11:05 am, traveling in opposite directions at 45 and 24 mph, respectively. At what ti
noname [10]

The cars travel at a 21MPH difference, so if we divide 460 by 21, we get 21.9


Answer: 21.9 hours

3 0
3 years ago
Is the following relation a function?<br> Y = 3x
timofeeve [1]

Answer:

Yes

Step-by-step explanation:

If you subsitute for x, x will only repeat if it has the same y value.

4 0
3 years ago
Please calculate the probability using the following equations (in document)
labwork [276]

Substitute <em>u</em> = <em>t</em> ³/2592 and d<em>u</em> = <em>t</em> ²/864 d<em>t</em>. Then

P(T)=1-\displaystyle\int_0^T f(t)\,\mathrm dt=1-\displaystyle864\left(1.1574\times10^{-3}\right)\int_0^{\frac{T^3}{2592}}e^{-u}\,\mathrm du

The probability that a 12 hour surgery is successful is <em>P</em> (12), so letting <em>T</em> = 12 gives

P(12)\approx1-\displaystyle\int_0^{\frac23}e^{-u}\,\mathrm du\approx e^{-\frac23} \approx \boxed{0.5134}

4 0
3 years ago
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