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steposvetlana [31]
2 years ago
14

The first 5 figures in a pattern are shown. If the patterncontinues, which expression can be used to find the number of circles

to make up Figure n?
f.n^2+ 2n
h. 2n^2+ 1
g. n^2+ 2
j. 2n^2+n

Mathematics
2 answers:
garri49 [273]2 years ago
6 0

Answer:

f

Step-by-step explanation:

Novosadov [1.4K]2 years ago
4 0

Answer:

F.

the corect answer for this question

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Write negations for each of the following statements. (Assume that all variables represent fixed quantities or entities, as appr
amm1812

Answer:

a. P is a square and P is not a rectangle

b. Today is New Year’s Eve and tomorrow is not January.

c. The decimal expansion of r is terminating and r is not rational.

d. n is prime and either n is not odd or n is not 2.

e. x is nonnegative and either x is not positive or x is not 0.

f. Tom is Ann’s father and either Jim is not her uncle or Sue is not her aunt.

g. n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.

Step-by-step explanation:

The general formula for negations that will be applied is:

Statement: If x is y, then x is z

Negation: x is y and x is not z

Statement: If x is y, then x is z and w

Negation: x is y and either x is not z or x is not w

Applying those principles:

a. P is a square and P is not a rectangle

b. Today is New Year’s Eve and tomorrow is not January.

c. The decimal expansion of r is terminating and r is not rational.

d. n is prime and either n is not odd or n is not 2.

e. x is nonnegative and either x is not positive or x is not 0.

f. Tom is Ann’s father and either Jim is not her uncle or Sue is not her aunt.

g. n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.

4 0
2 years ago
A cuboid has side lengths 3cm, 4cm and 7cm. A cylinder with a height double that of the longest side of the cuboid has the same
mart [117]

Step-by-step explanation:

Longest side of cuboid: 7cm

Height of cylinder:

2 × 7 = 14 cm

Volume of cuboid:

7x3x4=84cm^3

Volume of cylinder:

84=14\pi r^2 \\r=\sqrt{\frac{6}{\pi} }  \ \ \  cm\\r=1.38 \ cm\\

Surface area of the cylinder:

\pi r^2 + 2 \pi r h

6+2\pi (\sqrt{\frac{6}{\pi} } ) (14)

=128 cm^2

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2 years ago
(x^3)^9 = <br> A: x^12 <br> B: x^27 <br> C: x^3 <br> D: x^6
Grace [21]
(x^3)^9=x^{27}
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3 years ago
A certain species of animal is endangered and it’s numbers are decreasing 12% annually. There are currently 230 animals in the p
Iteru [2.4K]
B:f(x)=230(0.88);121 animals


6 0
3 years ago
Pls help pls, i need this pls help
malfutka [58]

Answer:

Step-by-step explanation: a real one for the points

3 0
2 years ago
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