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GREYUIT [131]
3 years ago
8

Simplify the following expression 7d-9-6d-4

Mathematics
2 answers:
vodomira [7]3 years ago
6 0

Answer:

d-13

Step-by-step explanation:

We can simplify variables then numbers:

7d - 9 - 6d - 4.

7d - 6d - 9 - 4

d - 9 - 4

d - 13

kotykmax [81]3 years ago
3 0

See picture for answer.

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Transform the equation to isolate x: ax=bx+1. How is the value of x related to the difference of a and b
nasty-shy [4]

Answer:

x is the reciprocal of the difference of a and b.

Step-by-step explanation:

ax=bx+1

Subtract by bx on both sides

ax-bx=1

x(a-b)=1

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2 years ago
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On a Saturday the library checkout 52 books. If 24 of the books were fiction, what is the ratio of nonfiction books to fiction b
masya89 [10]

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3 years ago
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Describe the change in the graph of the parabola f(x) when it transforms into g(x) =
saw5 [17]

Answer:

  (d)  The parabola g(x) will open in the same direction of f(x), and the parabola will be wider than f(x).

Step-by-step explanation:

We assume you intend ...

  f(x) = equation of a parabola

  g(x) = 2/3·f(x)

Multiplying a function by a factor of 2/3 will cause it to be compressed vertically to 2/3 of its original height. When the function is a parabola, this has the effect of making it appear wider than before the compression.

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The compression factor is positive, so points on the graph remain on the same side of the x-axis. The direction in which the graph opens is not changed.

The attachment shows parabolas that open upward and downward, along with the transformed version.

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2 years ago
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3 years ago
Draw 2 different shapes with the perimeter of 16 units
Sergeeva-Olga [200]
First, we must understand that to find the perimeter of an object you must add up the lengths of each side.

Some options are:

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An octagon (8 sides) with sides 2 units long
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3 years ago
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