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77julia77 [94]
3 years ago
12

Find the fifth term in the sequence that is defined as follows an=2(-1)^n

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

Answer:

-2

Step-by-step explanation:

since we're finding the fifth term, n=5

that would make the equation a_{5}=2(-1)^{5}

we can simplify this to a_{5}=2*(-1)

this makes a_{5}=-2

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rewona [7]
I would say that the tree is 450 grams
4 0
3 years ago
Read 2 more answers
Can you find 2/3 of 120
polet [3.4K]
The only thing you should do is to multiply 2/3 by 120 so you will have 2*120/3 = 80 :)))
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6 0
3 years ago
Find the volume of a right circular cone that has a height of 16.8 in and a base with a
alexgriva [62]

Answer:

Volume of right circular cone is 388.43 in³

Step-by-step explanation:

Height of circular cone = 16.8 in

Radius of circular cone = 4.7 in

We need to find Volume of right circular cone

The formula used for calculating volume of a right circular cone is: Volume=\pi r^2\frac{h}{3}

Putting values and finding volume

Volume=\pi r^2\frac{h}{3}\\Volume=3.14\times (4.7)^2 \times \frac{16.8}{3}\\Volume=3.14\times 22.09 \times 5.6\\Volume= 388.43 \:in^3

So, Volume of right circular cone is 388.43 in³

5 0
3 years ago
Is this a function? plz help me i need help
LenaWriter [7]

Answer:

yes it is

Step-by-step explanation:

4 0
3 years ago
Question 1 options:<br><br> 3<br><br><br> 8<br><br><br> 12<br><br><br> 2.5
rewona [7]

Answer:

2.5

Step-by-step explanation:

(I'm assuming you're doing this the same way I learned it, if not I'm sorry if it doesn't make sense)

\frac{2}{x}=\frac{12}{15}

Cross multiply

12x=30

Divide

x=2.5

This is just one way to do the problem. An easier way is to simplify the fractions.

\frac{2}{x}=\frac{4}{5}

You can either cross multiply or figure out that 2 is half of four and simply divide 5 by 2 which will also result in 2.5

5 0
3 years ago
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