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nikklg [1K]
3 years ago
9

Multiply x(x^2+2x+4) and -2(x^2+2x+4) Combine like terms: Final answer:

Mathematics
1 answer:
Sidana [21]3 years ago
6 0
This is the answer i got and the work is below:
x^3-8
hope this helps!!

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Arun’s restaurant bill is $58, and he wants to leave the waiter an 18 percent tip. What will Arun’s total bill be? $10.44 $47.56
Alla [95]

Answer:

$68.44 will be the total bill.

Step-by-step explanation:

18/100 = .18

58 x .18 = 10.44

58 + 10.44 = 68.44

:)

8 0
3 years ago
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-3(-3)(-3)??????????
il63 [147K]
The answer is -27. basically your multiplying all of these negatives and the make one big negative
7 0
4 years ago
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Please help me, I don’t understand how I keep getting it wrong!
GenaCL600 [577]

9514 1404 393

Answer:

  1.2 t/m³

Step-by-step explanation:

1 tonne is 1 Mg = 10⁶ g

1 m³ is (100 cm)³ = 10⁶ cm³

The conversion is ...

  (1.2 g/cm³) · (1 t)/(10⁶ g) · (10⁶ cm³)/(1 m³)

  = 1.2(10⁶)/(10⁶) t/m³

  = 1.2 t/m³

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For this conversion, the numerical value does not change. Megagrams per cubic meter is the same ratio as grams per cubic centimeter.

6 0
3 years ago
Passing through the points (6,8) & (9,6)
grigory [225]

Slope-intercept form:  y = mx + b  [m is the slope, b is the y-intercept or the y value when x = 0 ---> (0, y) or the point where the line crosses through the y-axis]

To find the slope, use the slope formula (m):

m=\frac{y_2-y_1}{x_2-x_1}       and plug in the two points

(6, 8) = (x₁, y₁)

(9, 6) = (x₂, y₂)

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{6-8}{9-6}

m=\frac{-2}{3}      Now that you found the slope, plug it into the equation

y = mx + b

y=-\frac{2}{3} x+b       To find b, plug in one of the points, I will use (6, 8)

8=-\frac{2}{3} (6)+b

8 = -4 + b    Add 4 on both sides

12 = b         Now plug in b into the equation

y=-\frac{2}{3} x+12

5 0
3 years ago
The diameter of a circle has endpoints whose coordinates are R(-2, 2) and S(4, 2). The radius of the circle has length _____.
expeople1 [14]
A - 3

Using the coordinates of the diameter, it is possible to figure out the radius.

Using the y axis, you can determine that 4 and -2 total to be six apart, leaving the diameter to be six. Knowing that the radius is half of the diameter, you can easily split the diameter in half to get the radius of 3.

Hope this helps!
4 0
3 years ago
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