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kiruha [24]
3 years ago
15

F(x)=7x+9/8x-9 when -f(x)

Mathematics
1 answer:
sweet [91]3 years ago
6 0
If I'm reading your question correctly:  "<span>F(x)=7x+9/8x-9 when -f(x)," then all you have to do to find -f(x) would be to put a negative sign in front of ALL
of 7x + 9 / (8x-9):
                       9
- f(x) = -7x - --------
                     8x-9</span>
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8 0
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Answer:

Equation:

21 = 1 + m

Solution:

20 = m

Step-by-step explanation:

What we know:

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We know that Karim drank 21 cups of milk in a day. In an equation, that would look like this:

21 =

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The amount of milk Karim drank at breakfast plus the amount of milk Karim drank after breakfast.

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Let's substitute what we know into this equation:

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21 = 1 + m

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4 0
3 years ago
From the diagram below, if side DF is 4 cm., side CB would be ______.
kondaur [170]

The measure of CB from the given figure is 8cm

<h3>What is a triangle?</h3>

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The given triangle is a scalene triangle since <u>none of the sides are equal</u>

From the figure shown, we can see that the mea<em>sure of DF is equivalent to  CE and EB</em>

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CE = EB = DF = 4cm

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CB = 4cm + 4cm

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Hence the measure of CB from the given figure is 8cm

Learn more on triangles here; brainly.com/question/25215131

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