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Inessa05 [86]
3 years ago
13

Find the first three terms of the sequence below. T n = n 2 + 3 n + 4

Mathematics
1 answer:
madam [21]3 years ago
6 0

Answer:

9,14,19

Step-by-step explanation:

You seem to be giving the expression 2n+3n+4.

Now simplify

An = 5n+4

Fill in n

5(1) +4

5(2) +4

5(3)+4

After solving and simplifying you see 9, 14 and 19 are the first 3 terms.

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4 - 2

answer: 2
7 0
2 years ago
For any circle, which ratio is equal to the number n? Select all that apply. Plsss help me!!
barxatty [35]

Answer:

Options A-C-F

Step-by-step explanation:

we know that

<em>The circumference of a circle is equal to</em>

C=\pi D  or  C=2\pi r

where

D is the diameter and r is the radius

therefore

\pi =\frac{C}{D}  or \pi =\frac{C}{2r}

The number pi is the ratio circumference - diameter or is the ratio circumference - 2 times radius

<em>The area of the circle is equal to</em>

A=\pi r^{2}

therefore

The number pi is the ratio Area - radius squared

6 0
3 years ago
What is the circumference of circle P?<br> Express your answer in terms of .<br> AB = 14 in.
MA_775_DIABLO [31]

Answer:

C=14\pi\ in

Step-by-step explanation:

we know that the circumference is equal to

C=\pi D

we have

D=14\ in

substitute

C=\pi (14)

C=14\pi\ in

5 0
3 years ago
Read 2 more answers
Find the area of the semi circle
Aleonysh [2.5K]

Answer:

76.96902001

Step-by-step explanation:

We know that the area of a circle is pi * r^2 so we can take that equation and divide it by two to get your answer. So in this case it would be \frac{pi*7*2}{2}. Hope this helps!

4 0
3 years ago
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Simplify (4x - 6) - (5x + 1).
faust18 [17]
The answer to the question is -x-7
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