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larisa86 [58]
3 years ago
10

What's the answer to this problem 2x + 1=11​

Mathematics
2 answers:
galina1969 [7]3 years ago
5 0

Answer:

5

Step-by-step explanation:

first u subtract the 1 from both sides and leaves u with 2x=10 then divide on both sides and you get 5

Rzqust [24]3 years ago
4 0

Step-by-step explanation:

2x+2=11

2x=11-2

2x=9

divide both sides by 2

therefore the answer is 4.5

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Find the slope of the line running<br> through these two points (-4,5) and (8,-3)
Artemon [7]

Answer:

The slope is

\frac{-3-5}{8-(-4)} =\frac{-8}{8+4} =\frac{-8}{12} =-\frac{2}{3}

Step-by-step explanation:

8 0
3 years ago
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Twice the difference of three times a number and eight,divided by four
mario62 [17]

"Twice the difference of three times a number and eight, divided by four" can be displayed as:

<u>2((8 - 3x)/4)</u>

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3 years ago
Felicia has $6.40 in dimes and quarters. She has 34 coins in all. How many of each type of coin does Felicia have?
jonny [76]

Answer:

you would use 20 quarters and 14 dimes

Step-by-step explanation:

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4 0
3 years ago
Solve the linear system of equations using addition. Graph the equations to verify your solution. required.
zhenek [66]
<h3>Answer:</h3>

infinite solutions

<h3>Step-by-step explanation:</h3>

Add the two equations.

... (-4x) + (y) = (y +3) +(-4x -3)

Add 4x -y to both sides.

... -4x +y +4x -y = -4x +y +4x -y

... 0 = 0 . . . . . true for all values of x (or y)

Both equations describe the same line.

_____

The graph shows the first equation as a red line. The second equation is shown using a "blue dot" texture, so you can see it overlays the red line.

8 0
4 years ago
How do I solve this?
Hunter-Best [27]

9514 1404 393

Answer:

  • x = 10
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Step-by-step explanation:

Consecutive interior angles between parallel lines are supplementary.

Let's start with x.

  (8x +40)° +(6x)° = 180°

  14x +40 = 180 . . . . . . . . . divide by °, collect terms

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  x = 10 . . . . . . . . divide by 14

__

We can use the same approach for y:

  (7y)° +(3y -10)° = 180°

  10y = 190 . . . . . . . . . . . divide by °, add 10, collect terms

  y = 19 . . . . . . . . . . . divide by 10

5 0
3 years ago
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