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3 years ago

Pls help I don't get how the school system expects us to know this stuff

Mathematics

2 answers:

Dvinal [7]3 years ago

8 0

Answer:

i've got no idea y they do us dirty like dis

Step-by-step explanation:

1234

vodomira [7]3 years ago

6 0

Answer:

1. Irrational

2. Rational

3. Irrational

4. Rational

5. Rational

Step-by-step explanation:

its hard to explain

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What are the first 5 terms of the sequence where a=1 a, a2=2 and an=1/2(a n-1•a n-2)

Sliva [168]

Answer:

$\large\boxed{a.\ 1,\ 2,\ 1,\ 1,\ \dfrac{1}{2}}$

Step-by-step explanation:

We have the recursive formula of a sequence:

$\left\{\begin{array}{ccc}a_1=1\\a_2=2\\a_n=\dfrac{1}{2}(a_{n-1}\cdot a_{n-2})\end{array}\right\\\\\text{thereofre}\\\\a_3=\dfrac{1}{2}(a_2\cdot a_1)=\dfrac{1}{2}(2\cdot1)=\dfrac{1}{2}(2)=1\\\\a_4=\dfrac{1}{2}(a_3\cdot a_2)=\dfrac{1}{2}(1\cdot2)=\dfrac{1}{2}(2)=1\\\\a_5=\dfrac{1}{2}(a_4\cdot a_3)=\dfrac{1}{2}(1\cdot1)=\dfrac{1}{2}(1)=\dfrac{1}{2}$

7 0

3 years ago

2x-1/3+3=x-3/5<br><br><br> pls do make sure to answer this *only if you know* <br> thank you

Contact [7]

Answer:

$x = - 3 \frac{4}{15}$

Step-by-step explanation:

$2x - \frac{1}{3} + 3 = x - \frac{3}{5}$

$= > 2x - \frac{ 1 +9 }{3} = x - \frac{3}{5}$

$= > 2x + \frac{8}{3} = x - \frac{3}{5}$

$= > 2x - x = - \frac{3}{5} - \frac{8}{3}$

$= > x = - \frac{9 - 40}{15}$

$= > x = - \frac{49}{15}$

$= > x = - 3 \frac{4}{15} (ans)$

6 0

3 years ago

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Identify the conclusion of the following conditional: A number is divisible by 9 if the sum of the digits of the number is divis

Shtirlitz [24]

729/9=81
81/9=9
9/9=1
Hope I helped ;)

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4 years ago

You are the pilot of a medical evacuation helicopter. At 5:30 am, you receive word that a passenger on a cruise ship fell seriou

Tanya [424]

*I could be wrong but this is what I think it is*

1,200 divided by 150. That equals 8, then multiply 8 by 30. Answer is 240

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3 years ago

Find the slope of a line that passes through the points (4,8) and (26,2)

Flura [38]

Answer:

$m=-\frac{3}{11}$

Step-by-step explanation:

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}\\\\\left(x_1,\:y_1\right)=\left(4,\:8\right),\:\left(x_2,\:y_2\right)=\left(26,\:2\right)\\\\m=\frac{2-8}{26-4}\\\\m = \frac{-6}{22}\\ \\Simplify\\\\m=-\frac{3}{11}$

8 0

3 years ago

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