Explain how to solve the equation x divided by 9 =14

Mathematics

1 answer:

fgiga [73]3 years ago

4 0

X =126 because if you multiply 9 and 14 you get 126 and 126 divided by 9 is 14

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Jon is launching rockets in an open field. The path of the rocket can be modeled by the quadratic function h(t) = -16t^2 + 96t,

IrinaVladis [17]

It will reach 80 feet for the second time after 5 seconds.

We set the equation equal to 80 feet:
80= -16t² + 96t

When solving quadratics, we want it equal to 0, so we subtract 80 from both sides:
80-80= -16t² + 96t - 80
0= -16t² + 96t - 80

We use the quadratic formula to solve:
$t=\frac{-96\pm \sqrt{96^2-4(-16)(-80)}}{2(-16)}
\\
\\t=\frac{-96\pm \sqrt{9216-5120}}{-32}
\\
\\t=\frac{-96\pm \sqrt{4096}}{-32}
\\
\\t=\frac{-96\pm 64}{-32}
\\
\\t=\frac{-96+64}{-32} \text{ or } 0=\frac{-96-64}{-32}
\\
\\t=1 \text{ or } t=5$

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3 years ago

Which expression is equivalent to 8 times d times d

sveticcg [70]

Answer:

That is, they are equivalent expressions. Two expressions are said to be equivalent if they have the same value irrespective of the value of the variable(s) in them. Example 1: Are the two expressions 2y+5y−5+8 and 7y+3 equivalent?

Step-by-step explanation:

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3 years ago

Y= -0,5x – 2<br> y= 1,5x + 8

Masja [62]

Answer:

a. ( 5 ) ( 0 ) − 2

= −2

b. ( 5 ) ( 1 ) + 8

= 13

Hope it helps

Please mark me as the brainliest

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vitfil [10]

Answer:

It's possible to play Wii games and use Wii accessories on Wii w

Step-by-step explanation:

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jeyben [28]

Answer:

I believe it is C.

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If they need a total of 2,990 muffins, then they need about 2,000 more. The supervisor's calculation is really not reasonable at all since the don't even need 4,005 muffins total.

Hope this helps!! ;)

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3 years ago