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Helga [31]
3 years ago
14

X2 = 169 solve for x​

Mathematics
2 answers:
Agata [3.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

169/2=84.5

X=84.5

eimsori [14]3 years ago
5 0
84.5 is x because 169 divided by 2 is 84.5. After that you are left with x=84.5. Hope this helps.
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8 0
3 years ago
Jodi has two bank accounts. Her parents started Account A for her. It currently has $100 in it, and Jodi deposits $20 into it ea
Law Incorporation [45]

Answer:

(f+g)(x) = 60x + 400

Step-by-step explanation:

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Amount in account A:

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6 0
3 years ago
We want to factor the following expression:
S_A_V [24]

Answer:

A. (U+V)^2 or (U-V)^2

Step-by-step explanation:

9x^6 + 6x^3y + y^2 \\  \\  =  {(3 {x}^{3} )}^{2}  + 2.(3x^3).y +( y)^2  \\  \\  =  \bigg({3 {x}^{3} } + y \bigg)^{2} \\  \\   = \bigg({3 {x}^{3} } + y \bigg) \bigg({3 {x}^{3} } + y \bigg) \\  \\ \\  \\

4 0
2 years ago
Plz help me, it's urgent​
antiseptic1488 [7]
The answer is this!

6 0
3 years ago
I got the first two can you help me with the last one PLZ
Nat2105 [25]

1. Geometric Sequence

2. a_n = a_{n-1} * 3

3. a_n = 6 * (3)^{n-1}

Step-by-step explanation:

Given sequence is:

6, 18, 54, 162,....

Here

a_1 =6\\a_2 = 18\\a_3 = 54

(a) Is this an arithmetic or geometric sequence?

We can see that the difference between the terms is not same so it cannot be an arithmetic sequence.

We have to check for common ratio (ratio between consecutive terms of a sequence) denoted by r

r = \frac{a_2}{a_1} = \frac{18}{6}= 3\\r = \frac{a_3}{a_2} = \frac{54}{18} = 3

As the common ratio is same, the given sequence is a geometric sequence.

(b) How can you find the next number in the sequence?

Recursive formulas are used to find the next number in sequence using previous term

Recursive formula for a geometric sequence is given by:

a_n = a_{n-1} * r

In case of given sequence,

a_n = a_{n-1} * 3

So to find the 5th term

a_5 = a_4*3\\a_5 = 162*3\\a_5 = 486

(c) Give the rule you would use to find the 20th week.

In order to find the pushups for 20th week, explicit formul for sequence will be used.

The general form of explicit formula is given by:

a_n = a_1 * r^{n-1}

Putting the values of a_1 and r

a_n = 6 * (3)^{n-1}

Hence,

1. Geometric Sequence

2. a_n = a_{n-1} * 3

3. a_n = 6 * (3)^{n-1}

Keywords: Geometric sequence, common ratio

Learn more about geometric sequence at:

  • brainly.com/question/10666510
  • brainly.com/question/10699220

#LearnwithBrainly

4 0
3 years ago
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