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Nadusha1986 [10]
3 years ago
13

What is the function form for 9y-4x-9=0

Mathematics
1 answer:
lesya [120]3 years ago
4 0
9y - 4x - 9 = 0
9y = 4x + 9
y = 4/9x + 1
f(x) = 4/9x + 1
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The length of overline CD is 12 units. C^ prime D^ prime is the image of overline CD under a dilation with a scale factor of n.
Rufina [12.5K]

Answer:

A, D , and E

Step-by-step explanation:

We have that:

\overline{CD} = 12 \: units

\overline{C'D'}

is the image of CD after a dilation of scale factor n.

We use the relation between the image length and object length:

\overline{C'D'} = n \times \overline{CD}

Option A

If n=3/2, then

\overline{C'D'}  =  \frac{3}{2}  \times 12 = 3 \times 6 = 18 \: units

This is true.

Option B

If n=4, then

\overline{C'D'} = 4 \times 12 = 36 \: units

This is false.

Option C

If n=8, then

\overline{C'D'} = 8 \times 12 = 96 \: units

This too is false.

Option D

If n=2, then

\overline{C'D'} = 2 \times 12 = 24 \: units

This is true

Option E

If n=3/4, then

\overline{C'D'} =  \frac{3}{4}  \times  12

\overline{C'D'} =  3 \times 3 = 9 \: units

This is also true.

4 0
3 years ago
The mapping below represents all of the points on the graph of functionf.
Rom4ik [11]

Answer:

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Step-by-step explanation:

The domain of the function is the set of all possible inputs for the function. Therefore, the set of all possible inputs is \{-4, -1, 0, 2, 7\}.

3 0
3 years ago
Help me answer this please
nikitadnepr [17]

Answer:

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Step-by-step explanation:

You get 115 for X because angle x is vertical to 115 degrees.

You get 65 because y is supplementary to x, and 180-65=115.

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Vikki [24]
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3 years ago
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