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Kryger [21]
2 years ago
11

Best answer gets brainliest y=0 1. y=(x³+12x²+47x+60) 2. y=(12x²- 25x + 12)

Mathematics
1 answer:
kotegsom [21]2 years ago
6 0

Answer:

1. x =−3, -4, -5  

2. x= 3/4, 1 1/3

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Anyone know this?? it’s finding the sine of a triangle!!
LenKa [72]

Answer:

I'm not sure what you want me to answer from this, so I solved for every variable:

Angle A: 83°

Side b: 6.29

Side c: 5.8

Step-by-step explanation:

-----Angle A:

Since the sum of the interior angles of a triangle ALWAYS equal 180°, we can solve for angle A as follows:

A+51+46=180\\A+97=180\\A=83

-----Side b:

Here, we use the sin rule for finding sides, since we know all of the angles as well as one side:

\frac{a}{sin(A)} =\frac{b}{sin(B)} \\\frac{8}{sin(83)} =\frac{b}{sin(51)} \\8.06=\frac{b}{0.78} \\6.29=b

-----Side c:

\frac{a}{sin(A)} =\frac{c}{sin(C)} \\\frac{8}{sin(83)}=\frac{c}{sin(46)} \\8.06=\frac{c}{0.72} \\5.8=c

7 0
2 years ago
Read 2 more answers
Solve the following quadratic equation:
Advocard [28]

Answer:

-3.5 or -6

Step-by-step explanation:

2x^2+19x+40=-2

2x^2+19x+40+2=0

2x^2+19x+42=0

2x^2+(12+7)x+42=0

2x^2+12x+7x+42=0

2x(x+6)+7(x+6)=0

(x+6)(2x+7)=0

either,

x+6=0

x=-6

or,

2x+7=0

2x=-7

x=-7/2

x=-3.5

4 0
2 years ago
I know the answer I got is wrong help.
irinina [24]

Answer:

∠2 = 18°

Step-by-step explanation:

∠WXZ = ∠1 + ∠2 ← substitute ∠1 = 3∠2

∠WXZ = 3∠2 + ∠2, that is

72 = 4∠2 ( divide both sides by 4 )

18 = ∠2, that is

∠2 = 18°

   

8 0
3 years ago
I need help. line wx is parallel to line yz
Oksana_A [137]

Answer:

45

Step-by-step explanation:

<ABY=<ZBY(VERTICAL ANGLES)

SO.

3x-5=2x+40

3x-2x=40+5

x=45

3 0
3 years ago
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PLEASE HELP! I REALLY NEED IT
wolverine [178]
I can’t really help you I’m sorry I don’t really know the answer but I do need points thank you byeAdios
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2 years ago
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