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saw5 [17]
3 years ago
7

Theo has one piece of train track that is 74 millimeters long and a second piece of train track that is 97 millimeters long.

Mathematics
1 answer:
umka21 [38]3 years ago
3 0
A: 0.171 m, because 1 meter is 1,000 mm, and there is only 171 mm total.
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Find the value of x in the figure
quester [9]

Answer:

the correct ans is 37 .

(4x+2)° = 150°.... opposite angles of measure are

congruent.

4x+2 = 150

4x = 150-2

4x = 148

x = 148/4

x = 37.

4 0
3 years ago
What is the slope of the line with equation <br>-3x+6y=12
notka56 [123]

Note the slope intercept form: y = mx + b, in which m = slope

Isolate the y. Note the equal sign, what you do to one side, you do to the other. First, add 3x to both sides

-3x (+3x) + 6y = (+3x) + 12

6y = 3x + 12

Fully isolate the y. Divide 6 from both sides (and to all terms)

(6y)/6 = (3x + 12)/6

y = (3x)/6 + (12)/6

Simplify

y = (1/2)x + 2

y = 0.5x + 2 is your equation.

The slope is direclty left of the x (or the m variable). In this case, it is 0.5

0.5 is your answer (or 1/2 if wanted in fraction form)

~

3 0
3 years ago
Read 2 more answers
Round each time to the nearest whole second. Then estimate how many seconds bailey won the race by.
Orlov [11]
The whole second is the first number to the left of the decimal (_.), so : 35.78=36 because 7>5. 39.51=40 because 5=5. 40-36=4. Bailey won the race by about 4 seconds. Hoped I helped!
8 0
3 years ago
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Substitute this equation x+3y=18 &amp; -x-4y=-25
sveticcg [70]

Answer:

 {x,y} = {3/7,-43/7}

Step-by-step explanation:

System of Linear Equations entered :

  [1]    x + 3y = -18

  [2]    -x + 4y = -25

Graphic Representation of the Equations :

   3y + x = -18        4y - x = -25  

 

 

Solve by Substitution :

// Solve equation [1] for the variable  x  

 

 [1]    x = -3y - 18

// Plug this in for variable  x  in equation [2]

  [2]    -(-3y-18) + 4y = -25

  [2]    7y = -43

// Solve equation [2] for the variable  y  

  [2]    7y = - 43  

  [2]    y = - 43/7  

// By now we know this much :

   x = -3y-18

   y = -43/7

// Use the  y  value to solve for  x  

   x = -3(-43/7)-18 = 3/7  

Solution :

{x,y} = {3/7,-43/7}

5 0
3 years ago
What is the simplest form of the expression √1/144?
natita [175]
√ (1/144) = 1/12 
Because √1 = 1 ; √144 = 12 
⇒ C
3 0
3 years ago
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