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Sergio039 [100]
2 years ago
7

Drag and drop the tiles with the coordinate points, so they match up with an equation that they satisfy. PLEASE HELP!

Mathematics
2 answers:
yawa3891 [41]2 years ago
6 0
Y=13x+5

(0,5) (-2,-21)

y=-3x

(0,0) (-3,9)

y=x-10

(-2,8) (-5,-15)
lorasvet [3.4K]2 years ago
4 0

Point     Equation 1 (y=13x+5)    Equation 2(y=-3x)     Equation 3(y=x-10)

(0,5)         5=13×0+5                          5≠-3×0                          5≠0-10

               5=0+5                                 5≠0                                5≠-10

               5=5(True)                         False                                False

(0,0)        0≠13×0+5                       0=-3×0                             0≠0-10

    0≠5(False)                       0=0(True)                         0≠ -10(False)

(8,-2)      -2≠13×8+5                        -2≠3×8                         -2=8-10

          (False)                             (False)                           -2=-2(True)

(-2,-21)   -21=13×(-2)+5                 -21≠ -3× (-2)            -21≠-2-10

         -21=-26+5                     -21≠ 6  (False)       -21≠-12(False)

         -21=-21(True)

(-5,-15)      -15≠13×(-5)+5              -15≠-3 × -5                  -15= -5-10

                False                         -15≠15(False)            -15= -15(True)

(-3,9)       9≠13×(-3)+5                   9=-3×(-3)                              9≠3-10

                False                       9=9(True)                    9≠ -7(False)        

True =Point lies on the line

False=Point does not lie on the line                

                                   

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I really need help with this question , can someone help me?
Alexxx [7]
I'm too late but here ya go anyway :)

x = 180 - (31 + 40) is the answer.
8 0
3 years ago
Gabriel is at the grocery store, and wants to figure out his total cost before he gets to the register. He bought 2. 5 pounds of
katovenus [111]

The equation is 2.5x + 2y - 2 = 0.

<h2>Linear system</h2>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Given

He bought 2.5 pounds of apples that are x dollars a pound.

And 2 bags of lettuce for y dollars each.

The total cost is $2.

<h3>To find </h3>

The equation of this.

<h3>How to find the equation?</h3>

He bought 2.5 pounds of apples that are x dollars a pound.

Then the expression is 2.5x

And 2 bags of lettuce for y dollars each.

Then the expression is 2y

The total cost is $2.

Then the expression will be

    2.5x + 2y = 2

2.5x + 2y - 2 = 0

Thus the equation is 2.5x + 2y - 2 = 0.

More about the linear system link is given below.

brainly.com/question/20379472

8 0
2 years ago
Leila works as a tutor for an hour and as a waitress for an hour. This month, she worked a combined total of hours at her two jo
kupik [55]

Answer:

E(t)  =  5t +672     ($)

Step-by-step explanation:     INCOMPLETE QUESTION

FROM GOOGLE

she earns 12 $ per hour as tutor and 7 $ per hour as waitress, this month she worked a combined of 96 hours at her two jobs

Let be t the numbers of hours Leila works as tutor this month

Answer:

If Leila worked t hours as tutor then, she worked (96 - t) hours as waitress

E(t)  =  12 * t  +  7 * (96-t)

E(t)  =  12t   +  672 - 7t

E(t)  =  5t +672     ($)

7 0
3 years ago
What does x equal in 3.8x = -19
Sauron [17]

Answer: -5

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
2*cosx*(2x+30°) + √3=0
MAXImum [283]

Answer: x  ≈  1.59688927,  −1.60312387,  −4.67045686,  4.69039614,  7.872914,  −7.91513776,  −10.89002194

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

Simplify 2*cosx*(2x+30°) + √3=0

    Simplify each term.  

       Apply the distributive property.

  • 2  cos ( x )   ( 2 x )  + 2  cos ( x )  * 30 °  + √ 3 = 0
  • Multiply  2  by  2
  • 4  cos ( x )  x  +  2  cos ( x )  *30 ° + √ 3 = 0
  • Multiply  30 °by  2  
  • 4 cos ( x )  x  +  60 cos ( x ) + √ 3 = 0
  • Reorder factors in 4 cos ( x ) x + 60 cos ( x ) + √3
  • 4xcos(x)+60cos(x)+√3=0
  • Graph each side of the equation. The solution is the x-value of the point of intersection. x ≈ 1.59688927 , − 1.60312387 , − 4.67045686 , 4.69039614 , 7.872914 , − 7.91513776 , − 10.89002194

3 0
2 years ago
Read 2 more answers
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