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adoni [48]
3 years ago
5

 If 7 times the 7th term of an AP is equal to 11 times its 11th term, then its 18th term will be

Mathematics
1 answer:
Yuki888 [10]3 years ago
7 0

Answer:

please mark me brainlist

Step-by-step explanation:

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Help linear EQ I will mark you brainliest!
abruzzese [7]

Answer:

1. y=2x-3

3. y=-2x-2

7. y=-1x+12

13. y=10x-5

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5. y=3x+10

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2 years ago
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Please help i think i solved it correctly but i just want to double check
Firlakuza [10]
Subtract 21 from both sides
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3 years ago
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Which number is in the correct format for scientific notation?
olchik [2.2K]

Answer:

The answer to your question is: letter A

Step-by-step explanation:

Rules for using scientific notation:

1.- The number before the decimal point must be between 1 and 10.

2.- Determine the exponent

3.- It must be in decimal format, ( x 10)

A 3.8*10^12       This number is in correct scientific notation.

B 33.8* 10         This number is incorrect, because before the decimal point the number must be between 1 and 10.

C 3.8 *20^8      This number is incorrect because the power must be 10 not 20.

6 0
3 years ago
The price of a mountain bike increased by 20% in the past year the value is $150 what was the value of the mountain bike last ye
n200080 [17]

I hope I am reading the problem right: The price of a mountain bike increased by 20% in the past year. The value is $150. What was the value of the mountain bike last year?

Let's simplify this. One year, there was this radical mountain bike that used to have an unsaid price, <em>x. </em>That year, that price of x increased by 20% more than it was before, or <em>120% times the original value</em>. Because of that, it's now $150.

We can equation this.

1.20x = 150

x = 150/1.2

x = 125

The bike, I believe, cost $125 last year. Hope this helps!


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3 years ago
A group of mathematical symbols that express a relationship or that are used to solve a problem
pogonyaev
A group of mathematical symbols that express a relationship or that are used to solve a problem is a FORMULA
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