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JulijaS [17]
2 years ago
11

What are the steps to simplify the expression (6x2 − 3 − 5x3) − (4x3 + 2x2 − 8).

Mathematics
2 answers:
gregori [183]2 years ago
8 0
I'm not very good at math but this is probably correct.
1. 6x2 - 3 - 5x3= -6
2. 4x3 + 2x2 -8 = 8
3. -6 - 8
4. = -14
never [62]2 years ago
8 0
<span>Equation: (6x2 − 3 − 5x3) − (4x3 + 2x2 − 8)
Start by doing the multiplication in the parenthesis:</span><span> (12 − 3 − 15) − (12 + 4 − 8)
Next, do the addition in the parenthesis:</span> (12 − 3 − 15) − (16 − 8)
Next, subtract: (-6) − (8)
Subtract once more:  (-6) − 8 = (-14)

 (6 x 2 − 3 − 5 x 3) − (4 x 3 + 2 x 2 − 8) = (-14)

Hope this helped!
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3 years ago
On a survey, 185 people out of 420 state that they like dogs. What percent is this?
34kurt

Answer:

44%

Step-by-step explanation:

185/420 = 0.4405

0.4405 * 100 = 44.05%

3 0
3 years ago
How many whole cans can the company make out of each sheet of metal?
klio [65]

Answer:

18

Step-by-step explanation:

Total Surface Area of the Metal Sheet =1000\:in^2

Given a cylinder with diameter 3 Inch and height 4\frac{1}{4} in

To determine how many whole cans can be made, the first step is to find the total surface area of each of the cylindrical can.

Total Surface Area of a cylinder =2\pi r^2+2\pi rh

  • Radius =3÷2=1.5 Inch
  • Height of the can =4\frac{1}{4} in

<u>Total Surface Area of each can </u>

2\pi r^2+2\pi rh=2\pi r(r+h)\\=2*1.5*\pi(1.5+4.25)\\=3\pi *5.75\\=17.25\pi \:in^2

<u>Number of Cans that can be Made </u>

To determine this, we divide the total surface area of the metal sheet by the total surface area of each can.

Number of Cans=Total surface area of the metal sheet÷Total surface area of each can.

=1000 \div 17.25\pi\\=18.45

Therefore, the company can make 18 whole cans from each sheet of metal.

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3 years ago
IM TRYNAA PASS SO CAN SOMEONE HELP PLEASE!!???
tamaranim1 [39]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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