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choli [55]
2 years ago
14

127.86 +78.95 +23.09

Mathematics
2 answers:
rjkz [21]2 years ago
4 0

Answer:

229.9

Step-by-step explanation:

Reika [66]2 years ago
3 0

Answer:

229.9

Step-by-step explanation:

Uh easyyyyy lol

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the sum of the reciprocals of two consecutive even integers is 9/40. this can be represented by the equation shown 1/x + 1/(x+2)
Ivanshal [37]

Answer:

  8, 10

Step-by-step explanation:

Multiplying the equation by the product of the denominators, we have ...

  40(x+2) +40x = 9x(x+2)

  80x +80 = 9x^2 +18x . . . . eliminate parentheses

  9x^2 -62x -80 = 0 . . . . . . put in standard form

  9x^2 -72x +10x -80 = 0 . . . prepare to factor by grouping

  9x(x -8) +10(x -8) = 0 . . . . . factor pairs of terms

  (9x +10)(x -8) = 0

Solutions are ...

  x = -10/9  and  x = 8

The integers are 8 and 10.

_____

<em>Comment on the attachment</em>

I find a graphing calculator to be a nice tool for solving these. It finds zeros easily, so writing the equation so it equals zero is a useful first step.

5 0
3 years ago
BRAINLIEST<br>x + 4 &gt; 8. If you need to solve for x, what's the first step?
Darina [25.2K]

Answer:

the first step is subtract 4 from both sides

x + 4 > 8

x + 4 - 4 > 8 - 4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
I need help please I am not good at math I'm going to read it ​
Jlenok [28]
405
x 36
14,580
Can I get brainly? :)

3 0
2 years ago
Read 2 more answers
What is from greatest to least 4.1,4.01,4.009,4.085?
beks73 [17]
The answer is: 4.1, 4.085, 4.01, 4.009
7 0
3 years ago
Which of the following is the solution to 17 - 2x=-11?<br> 03<br> O-14<br> 14<br> -3
Rudiy27

Answer:

17-2x=-11 ---> 14

Step-by-step explanation:

plug in the "answers"

17-2(14)=-11

6 0
2 years ago
Read 2 more answers
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