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nlexa [21]
3 years ago
11

Find the measure of all the angles

Mathematics
1 answer:
Sonbull [250]3 years ago
4 0

Step-by-step explanation:

9x+6+5x+90°= 180°

14x+96=180

14x=180-96

14x=84

x= 84/14

x=6

so, <A=5x=5(6)=30°

<B=9x+6=9(6)+6=54+6=60°

<C = 180-(30+60)=180-90=90°

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I THINK IT'S ASA OR SSS ..
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2 years ago
NEED HELP. WILL MARK BRAINLIST. DO NOT SPAM
Tcecarenko [31]

Answer:

  a) x = {-2, 1, 3} are the zeros

  b) y = (x +2)(x -1)(x -3)

  c) y = x^3 -2x^2 -5x +6

Step-by-step explanation:

a) The zeros are the values of x where the graph crosses y=0. Those values are x = -2, x = 1, x = 3.

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b) If "a" is a zero, then (x-a) is a factor. The factored polynomial is ...

  y = (x +2)(x -1)(x -3)

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c) This can be multiplied out using the distributive property several times.

  y = (x +2)(x(x -3) -1(x -3))

  = (x +2)(x^2 -3x -x +3)

  = (x +2)(x^2 -4x +3)

  = x(x^2 -4x +3) +2(x^2 -4x +3)

  = x^3 -4x^2 +3x +2x^2 -8x +6

  y = x^3 -2x^2 -5x +6

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The supplied graph apparently scales this vertically by a factor of 1/2, since its y-intercept is at (0, 3), not (0, 6).

5 0
3 years ago
A school has 600 students. If 5%<br> are absent, how many students are<br> absent?
qwelly [4]

Answer:

30 students are absent.

Step-by-step explanation:

5%=0.05

0.05*600=30

8 0
3 years ago
Read 2 more answers
Please help me lol a lil confused
alex41 [277]

\leadsto f( \rm x) =  - (x - 3)(x - 5)

\\  \\

\leadsto f( \rm x) =   - ( {x}^{2}  - 5x - 3x + 15) \\

\\  \\

\leadsto f( \rm x) =   - ( {x}^{2}   - 8x + 15) \\

\\  \\

\leadsto f( \rm x) =   - {x}^{2}  + 8x  -  15 \\

3 0
2 years ago
Read 2 more answers
1. 8 - n = -4
iogann1982 [59]

Answer:

1.-n=-12; n=12

2.18=-2x; x=-9

3.-n=-12; n=12

4.b=3


4 0
3 years ago
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