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MAVERICK [17]
3 years ago
14

What is 4+4? pls help

Mathematics
2 answers:
DENIUS [597]3 years ago
8 0

8

Step-by-step explanation:

Nataly_w [17]3 years ago
3 0

Answer:

8

Step-by-step explanation:

add 4 plus 4 then omg watch this you get 8 abracadabra....

you're welcome

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Which equation represents a line which is perpendicular to the line 2x + y = -5?
Gnesinka [82]

Step-by-step explanation:

Given expression;

   2x + y  = -5;

  The given equation must be written in a form where the slope is the negative inverse of the given one.

A line perpendicular to another will have a negative inverse slope.

   2x + y  = -5

  Equation of a straight line is generally written as;

       y  = mx + c

y and x are the coordinates

m is the slope

c is y - intercept

          2x + y  = -5

                 y  = -2x -5

 The slope of the perpendicular = \frac{1}{2}

So,

the new line;

            y  =  \frac{1}{2}x  -5

Any line with slope of  \frac{1}{2} will be perpendicular

7 0
2 years ago
40 degree, 3x, and 4x solve for x
Alex73 [517]

Answer:

The value of x would be 20

Step-by-step explanation:

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40 + 3x + 4x = 180

40 + 7x = 180

7x = 140

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8 0
3 years ago
Solve the radical equation x – 7 = square root of -4x+28. Which statement is true about the solutions to the radical equation? T
Julli [10]

Answer:

x = 3 and 7

There are two true solutions.

Step-by-step explanation:

To solve x-7 = \sqrt{-4x+28}, use inverse operations by squaring both sides of the equal sign.

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Now check each solution into the original equation to be sure it solve the solution and is not extraneous.

7-7 = \sqrt{-4(7)+28}\\ 0=0

and

3-7 = \sqrt{-4(3)+28}\\[tex]-4 = \sqrt{16}\\-4 =-4[/tex]

3 0
3 years ago
How many sides do a trapezoid has
amm1812
4 sides.  Think of a trapezoid like a drunk rectangle.

-Hope this helps!
8 0
3 years ago
Read 2 more answers
What is 3x4 please tell me
Alinara [238K]
12 because if u had 3 groups of 4 that would be 3+3+3+3
8 0
3 years ago
Read 2 more answers
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