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mote1985 [20]
2 years ago
5

Select the expressions that are equivalent to 12n - 8. Select all that apply.

Mathematics
1 answer:
morpeh [17]2 years ago
3 0

A.3n+4+3n+4+4n

=3n+3n+4n+4+4

=10n+8

B.11n+4+n-12

=11n+n+4-12

=12n-8

C.6(6n-2)

=36n-12

D.4(3n-2)

=12n-8

E.4n+22-12+8n

=4n+8n+22-12

=12n+10

so,B and D are the expressions that are equivalent to 12n-8.

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3 years ago
a desert recipe calls for 3 cups of flour and 1 cup of sugar.It serves 4 people if the recipe must be altered to serve 12 people
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3 years ago
B) Then solve for x given that the area of the shaded region is 48 square units. Show all your work
nasty-shy [4]

Answer:

10

Step-by-step explanation:

Here it's given that the area of the shaded region is 48 u² and we need to find out the value of x .

The given figure is made up of two rectangles where the smaller one is inscribed into the bigger one .

  • The area of shaded region will be equal to the difference of the areas of the two rectangles , that is equal to 48 u² .
  • The area of rectangle is length × breadth .
  • The dimensions of bigger rectangle is (x+3)(x-4) and that of smaller one is 3 × x .

So that ,

\longrightarrow ar(bigger) - ar(smaller) = 48

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\longrightarrow [ x² - 4x +3x -12 - 3x ] = 48

\longrightarrow x² -4x -12 -48 = 0

\longrightarrow x² - 4x - 60 = 0

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  • Since sides can't be negative ,

\longrightarrow x = 10

<h3>Hence the required answer is 10.</h3>
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3 years ago
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ryzh [129]
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Bumek [7]

Answer: Choice A -- f(x) = (1/3)*|x|

============================================

The input of a function is x and the output is y = f(x)

To vertically compress a function, we will multiply the y value by some fraction smaller than 1. This is so that the y coordinates are a fraction of what they once were.

In this case, we multiply y by 1/3 so that something that has a y coordinate of y = 81 becomes y = 27 (divide by 3)

So we have y = f(x) become (1/3)*y = (1/3)*f(x) = (1/3)*|x|

4 0
3 years ago
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