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WITCHER [35]
3 years ago
7

The whether the sequence is arithmetic 2,11,20,29,38

Mathematics
1 answer:
Nata [24]3 years ago
3 0

Answer:

yes, this sequence is arithmetic

Step-by-step explanation:

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(a2 + 2a + 1)(a + 1)
GrogVix [38]
(a^2+2a+1)(a+1)=(a^2)(a)+(a^2(1)+(2a)(a)+(2a)(1)+(1)(a)+(1)(1)\\\\=a^3+a^2+2a^2+2a+a+1=\boxed{a^3+3a^2+3a+1}
7 0
3 years ago
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Parallelogram ABCD is a rectangle.
Marta_Voda [28]
I need lines AB and DC.
6 0
4 years ago
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A cone with a radius of 3" has a total area of 24π sq. in. Find the volume of the cone.
Rus_ich [418]
The answer is 12π.

To get the volume of the cone, we need the height. The radius is given.

V = πr² × (h/3)

The total surface area of the cone is:
SA = πr² + πrl where r is radius and l is slant height

24π = π(3)² + π(3)(l)
24π = 9π + 3πl
24π - 9π = 3πl
15π = 3πl
l = 15π / 3π
l = 5

Using Phytagoras, we can calculate the height of the cone:
l² = h² + r²
5² = h² + 3²
25 - 9 = h²
h = √16
h = 4

Therefore the volume is:
V = π(3)² × (4 / 3)
V = 3π × 4
V = 12π
5 0
3 years ago
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Nana has 3/6 of a cherry pie left. If she gives her six grandchildren an equal piece, how much will each child get?
STatiana [176]
Answer: 1/12 or 0.083
3 0
3 years ago
In a network of 30 computers, 4 have a copy of a particularly critical file to sustain an organization's regular operations. Sup
posledela

The probability that all 4 computers with the critical file fail in this incident

P(x=4)=0.00085

This is further explained below.

<h3>What is the probability that all 4 computers with the critical file fail in this incident? </h3>

Generally,  is  mathematically given as

$H \rightarrow(n, m)$

p.d.F. of Hyper Geometric distribution

given, $N=39, n=4, M=8, x=4$

\begin{aligned}P(x=4) &=\frac{8}{4} \frac{39}{39} \\&=\frac{70 \times 1}{82251}\end{aligned}$$

\begin{aligned}&P(x=4)=8.5106 \times 10^{-4} \\&P(x=4)=0.00085\end{aligned}

In conclusion, P(x=4)=0.00085

Read more about probability

brainly.com/question/11234923

#SPJ1

4 0
2 years ago
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