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Novay_Z [31]
2 years ago
12

What is the correct factorization of 6x^2 -2x -20? Please get correct!

Mathematics
1 answer:
Snezhnost [94]2 years ago
4 0

→ 6x² - 2x - 20

→ 6x² + 10x - 12x - 20

→ x(6x + 10 ) - 2 (6x + 10)

→ (6x + 10) (x - 2) .

for

6x - 10 = 0

6x = 10

{x\:=\:\frac{5}{3}}\\

for x - 2

x = 2

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Here please helppppppppppppp
skelet666 [1.2K]

Answer:

  • Part 2 - ∠EGF = 105°
  • Part 3 - ∠D = 65
<h3>________________________________________________</h3>

Step-by-step explanation for Part-2:

<u>We know that:</u>

  • ∠EFG = 32°
  • ∠AEG = 137°
  • ∠EFG + ∠FGE + ∠GEF = 180°

<u>Work:</u>

  • ∠EFG + ∠FGE + ∠GEF = 180°
  • 32 + ∠FGE + (180 - 137) = 180°
  • => 32 + ∠FGE + 43 = 180°
  • => 75 + ∠FGE = 180°
  • => ∠FGE = 180 - 75
  • => ∠FGE = ∠EGF = 105°

Hence, the measure of ∠EGF is 105°.

<h3>________________________________________________</h3>

Step-by-step explanation for Part-3:

<u>We know that:</u>

  • CD = CA
  • This triangle is an isosceles triangle.
  • ∠D = ∠A

<u>Work:</u>

  • 50 + ∠D + ∠A = 180
  • => ∠D + ∠D = 130
  • => 2∠D = 130
  • => ∠D = 130/2
  • => ∠D = 65

Hence, the measure of ∠D is 65°

<h3>________________________________________________</h3>
7 0
2 years ago
Write two expressions where the solution is 41.
Reika [66]
31 +10
21 + 20
23 + 18
4 0
3 years ago
Read 2 more answers
If cos(2x-1)=sin(3x+6) the what is the value of x?
LUCKY_DIMON [66]
2x - 1 + 3x + 6 = 90°
5x + 5 = 90
5x = 90 - 5
5x = 85
x = 85/5
x = 17°
8 0
4 years ago
Read 2 more answers
This recipe makes 4 portions of potato soup.
Dominik [7]

Answer:

120 ml oil

150g onions

1.2 kg potatoes

1.5 litres milk

Step-by-step explanation:

The revipe serves 4 people, but Richard wants to serve 12 people. This is 3x the number of people intended.

So, multiply all the fiven ingredients by 3 as well.

Oil = 40ml x 3 = 120ml

Onions = 50g x 3 = 150g

Potatoes = 400g x 3 = 1200g = 1.2 kg

Milk = 500ml x 3 = 1500ml = 1.5 litres

Hope this helps

4 0
3 years ago
Read 2 more answers
Solve the equation x = 5/3 (pie) (r^3) for r.
DENIUS [597]

Answer and Step-by-step explanation:

To solve for r, we need to get everything away from r. We can start off by moving five thirds, and pi.

x = \frac{5}{3} \pi r^{3}

Multiply each side by \frac{3}{5}, then divide by \pi (pi)

\frac{3x}{5\pi }  = r^{3}

Now, take the cubed root of both sides.

\sqrt[3]{\frac{3x}{5\pi } }  = r

^^ That is the answer.

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

3 0
3 years ago
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