3 years ago

2/5x+1/4x=39 what is x

Mathematics

2 answers:

vitfil [10]3 years ago

5 0

Answer:

x is equal to 60

Ann [662]3 years ago

5 0

Answer:

x= 700 /13

Step-by-step explanation:

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pogonyaev

Answer:

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3 years ago

Which equation has a graph that is a parabola with a vertex at (–1, –1)?

Artist 52 [7]

Answer:

$y=(x+1)^2-1$

which agrees with the last option listed.

Step-by-step explanation:

We use the vertex form of a parabola:

$y-y_v=a(x-x_v)^2$

which with the information we have becomes:

$y-y_v=a(x-x_v)^2\\y-(-1)_v=a(x-(-1))^2\\y=a(x+1)^2-1$

Therefore the equation that corresponds to such vertex (-1, -1) is the last one listed among your given answer options.

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3 0

3 years ago

Read 2 more answers

2x+6≥6x−4<br><br> 7x−2>3x−3<br><br> help

VashaNatasha [74]

Answer:

2x+6≥6x−4-->-4x≥-10-->x≤2.5

4x>-1 --> x>1/4

Step-by-step explanation:

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3 years ago

Have a free brainliesttttttttttttttttttt

lilavasa [31]

Ok me pls thank you so much you are a heavenly angel

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