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Fynjy0 [20]
3 years ago
12

6) 13x + 5y = -40 What’s the answer

Mathematics
1 answer:
stellarik [79]3 years ago
5 0
This is for the answer to X

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Quadrilateral WXYZ has vertices W(-4,-3), X(0,-1). Y(6,-2), Z(2,-4). Using properties of diagonals prove that WXYZ is a parallel
yanalaym [24]

Answer:

The diagonals are bisectors of each other and meet at  (1, -5/2) but are not congruent, so WXYZ is a parallelogram and not a rectangle

Step-by-step explanation:

for parallelograms.

the diagonals intersect at the midpoints

W                             X

Z                             Y

Diagonals are  WY  and  XZ

WY :   (-4, -3) to  (6, -2)

midpoint is   [(-4 + 6)/2  ,  (-3 - 2)/2 ] = ( 1, -5/2 )

XZ :   (0, -1)  to  (2, -4)

midpoint is  [ (0 + 2)/2 ,  (-1 + -4)/2 ]  = (1, -5/2)

The diagonals are bisectors of eachother.

Next show that these diagonals are not congruent.

length of  WY  =  root (  (-4 - 6)^2  +  (-3 - (-2))^2 )

WY = root ( 100  +  1)

WY = root(101)

length of XZ  =  root (  (0 - 2)^2  +  ( -1 - -4)^2 )

XZ =  root (4  +  9) = root (13)

we see that  WY  is not equal to XZ

...

so  ..  quadrilateral WXYZ is a parallelogram but not a rectangle.

8 0
3 years ago
Determine whether each set of data can be modeled by an exponential function. If so, find the exponential
masya89 [10]

Answer: The data cannot be modeled by an exponential function because the data is for a linear function (as there is a constant increase in f(x) each time x increases by 1)

5 0
2 years ago
If f(x) = 2 + 6), find f(-10)<br> A -16<br> b -4<br> c 4<br> d 16
Leno4ka [110]

Answer:

Question you sent is not complete.

Step-by-step explanation:

8 0
3 years ago
Urgent help I will have an hour detention if this isn’t answered
koban [17]

For A the equation is C=.25m+2.30, for B you the about of miles is twelve so put twelve in m's place.

C=.25(12)+2.30

C=.25(12)+2.30

C=3+2.30

C=5.30

Your answer for B is that it would cost £5.30 to have a taxi drive you 12 miles. For C, we are given the cost. So now plug £6.05 into C and solve for m.

6.05=.25m+2.30

subtract 2.30 from both sides

6.05−2.30=.25m

3.75=.25m

Divide both sides by 25.

3.75/.25=m

3.75/.25=15

m=15

If your charged £6.05 then you traveled 15 miles.

For the last one, plug in the number of pounds given for x to find the amount of euros.

  • y=1.162(400)=464.8
  • y=1.162(1,500)=1,743
  • 1,000=1.162x=860.585198≈861
  • 740=1.162x=636.833046≈637

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY!

- Cutiepatutie ☺❀❤

8 0
3 years ago
What is the value of x?
notka56 [123]

Answer:

  7

Step-by-step explanation:

The two angles created by the angle bisector are the same measure, so we have ...

  2x +y = 14 +y

  2x = 14 . . . . . . . subtract y

  x = 7 . . . . . . . . . divide by 2

8 0
3 years ago
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