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tankabanditka [31]
3 years ago
11

8th grade geometry please help

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0
Okay so the value of X is 9x^2/7
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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
Approximately _____ percent of the population are diagnosed with panic disorder using DSM criteria.
torisob [31]
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3 0
3 years ago
Function: f(x) = 2x + 1<br> It x = 0, what is the y output?
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Answer:

1

Step-by-step explanation:

i think i helped successfully

5 0
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fredd [130]
Marks UP the price by 30%.

There's two ways:
30% of $22, plus $22.
OR
130% of $22.

To save time, 130% of 22.

130/100 x 22
= 13/10 x 22
=13/5 x 11
=143/5
= 28.6

$28.6 

Hope this helps!
7 0
3 years ago
Can someone help me
FinnZ [79.3K]

Answer:

It could be 7π cm

Step-by-step explanation:

im sorry im not really sure

4 0
3 years ago
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