3 years ago

How do you factor 50x - 32x^3

Mathematics

1 answer:

adoni [48]3 years ago

8 0

<span>50x - 32x^3
= 2x (25 - 16x^2)

hope that helps</span>

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Paul is three times as old as Mary and Peter is four times as old as Mary,If the sum of their ages is 64, how old are Peter,Paul

uysha [10]

Let Mary's age be x.

Paul is three times as old as Mary, so Paul's age would be 3x.

Peter is four times as old as Mary, so Peter's age would be 4x.

The sum of their ages is 64
⇒ Paul's age+ Peter's age+ Mary's age= 64
⇒ 3x+ 4x+ x= 64
⇒ 8x= 64
⇒ x= 64/8
⇒ x= 8

Paul's age is: 3x= 3*8= 24

Peter's age is: 4x= 4*8= 32

Final answer: Paul is 24 years old.
Peter is 32 years old.
Mary is 8 years old.

Hope this helps~

7 0

3 years ago

What is the answer to <br> 3/2x - 5 = y

77julia77 [94]

Answer:

$x = \frac{2y + 10}{3}$

$y = \frac{3}{2}x -5$

Step-by-step explanation:

Hope this helps!

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3 years ago

A number(n) added to<br>29

Alex Ar [27]

n+29 is that what you mean

3 0

3 years ago

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Jackson mom limits the amout of time he is allowed to play video games . After jackson play for 9 .Inutes , his mom tells him th

vaieri [72.5K]

If we know that 30% of the time is used after 9 minutes we can write this mathematically as:

$0.30x = 9$
By solving for x we can determine the total time allowed to play games and so:

$x = \frac{9}{0.30} = 30$
The total time allowed to play games is 30 minutes. Since 9 minutes have lapsed 30-9=21 minutes left to play.

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3 years ago

Given the following geometric sequence, find the common ratio: {3, 18, 108, ...).

vodomira [7]

Geometric sequences go up due to a common ratio. Here the common ratio can be worked out by dividing a term by its previous term e.g term 2 divided by term 1.

$18/3 = 6
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Therefore the common ratio is 6.

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3 years ago