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NNADVOKAT [17]
2 years ago
8

I need this ASAP!! Please show work as well, TY SO MUCH!!

Mathematics
1 answer:
shtirl [24]2 years ago
4 0

Answer:

Step-by-step explanation:

19.

a) to find thhe x- intercept we make y=0

x² +4x -5 = 0

(x+5)(x-1) =0

x+5=0 so x=- 5

x-1 =0 so x= 1

b)

y-intercept is at (0, -5)

c)

axis of symmetry is at

x=-b/2a =-4/2*1 = -2

x= -2

d)

vertex is at (-2, -9) because x coordinate is on the axis of symmetry at -2 and

y= x² +4x -5= (-2) ² +4(-2)  -5 = 4-8-5 = 4-13 = -9

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Answer:

m<T = , m<M =  and m<Z =

Step-by-step explanation:

From the given ∆TMZ, let the measure angle T be represented by T.

So that,

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Sum of angles in a triangle =

T + (2T + 6°) + (5T - 50°) =

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8T =  +

   =

T =

  =

Therefore,

i. m<T =

ii. m<M = 2T + 6°

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       =

m<M =

iii. m<Z = 5T - 50°

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           =  - 50°

           =

m<Z =

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