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Nookie1986 [14]
3 years ago
9

If you multiplied a number by 1 2 , the result would be A) less than 1 B) half of the original number. C) a fourth of the origin

al number. D) twice as large as the original number.
Mathematics
1 answer:
katrin2010 [14]3 years ago
7 0

multiplying any number by 1/2 would make that number half of the original number

 Answer is B

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Fernando loves to make music playlists. He likes to keep the same ratio of country songs to rock songs. On his summer playlist,
Ede4ka [16]

Answer:

There are 6 rock songs on Fernando's road trip playlist.

Step-by-step explanation:

Given that he keeps the ratio same

This means that the ratios for both summer playlist and trip playlist will be the same

Let

c1 be the country songs in summer playlist

r1 be the rock songs in trip playlist

Similarly,

c2,r2 will be the country and rock songs in trip playlist

Both will be equal so

\frac{c_1}{r_1} = \frac{c_2}{r_2}

Putting the values

\frac{100}{24} = \frac{25}{r_2}\\100r_2 = 25*24\\100r_2 = 600r_2 = \frac{600}{100}\\r_2 = 6

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mr Goodwill [35]
It's the first choice.Correlation that implies causation
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3 years ago
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Dale keeps all of his pairs of shoes in his closet. select the number of shoes that deal could have in his closet. Mark all that
bekas [8.4K]
As it says he keeps 'pairs' of shoes so the answer has to be an even 'number' - ie B, C and E are all possible answers.
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As shown in the diagram of the right triangles below, Triangle: ABC ~ Triangle: DEF, AB = 7x, BC = 4, DE = 7, EF = x. What is th
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since triangles are similar

4/x = 7x/7

=》 4/x = x

=》x^2 = 4

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for right triangles a^2 = b^2+c^2

DF^2 = 7^2+2^2 = 53

=》 DF = 7.28

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8 0
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Use the relationship between the sine and cosine functions to fill in each blank .
rjkz [21]

Answer:

sin(12°)

Step-by-step explanation:

Because sine and cosine are cofunctions, we can use the relation sin(90° - θ) = cosθ to show that cos(78°) = sin(90° - 78°) = sin(12°)

8 0
3 years ago
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