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3 years ago

Is -4 a solution for the equation 5x (2-4)=2(5x -4)?

Mathematics

1 answer:

yarga [219]3 years ago

8 0

Answer:

no it is 0.4

Step-by-step explanation:

5x(2-4)=2(5x-4)

10x-20x=10x-8

-20x=-8

20x=8

10x=4

x=0.4

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A stick is broken into two pieces, at a uniformly random break point. Find the CDF and average of the length of the longer piece

Oksanka [162]

Answer:

P(L ≤ l) =P (1-l ≤ U ≤ l)= l- ( 1 - l ) = 2 l - 1

Step-by-step explanation:

let assume that stick has length 1.Random variable L that make length of a longer piece and random variable U that mark point .See that L < l means that

U≤ l and 1-U ≤l

P(L ≤ l) =P (1-l ≤ U ≤ l)= l- ( 1 - l ) = 2 l - 1

this means 1-l≤U≤l

so we have

if we have L [1/2,1]

then apply the formula we have E(L)=3/4

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4 years ago

The sum of the interior angles, s, in an n-sided polygon can be determined using the formula s = 180(n – 2), where n is the numb

disa [49]

Answer:

Equivalent equation of $s =180(n-2)$ is $n =\frac{s}{180}+2$

And the number of sides does a polygon have is, n =9.

Step-by-step explanation:

Given:

The sum of the interior angles, 's' in a n-sided polygon can be determined

using the formula is: $s =180(n-2)$ .....[1]

where n is the number of sides.

We can write the equivalent equation of [1]

$s = 180(n-2)$

Divide both sides by 180;

$\frac{s}{180} =\frac{180(n-2)}{180}$

Simplify:

$\frac{s}{180}=n-2$

Add 2 to both sides of an equation:

$\frac{s}{180}+2=n-2+2$

Simplify, we get;

$n =\frac{s}{180}+2$ ......[2]

Now, to find the value of n ;

Given: s =1260°

Substitute this value in [2] we get;

$n =\frac{1260}{180}+2$

n = 7+2 =9

Therefore, the number of sides in a polygon is, n=9

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3 years ago

Read 2 more answers

Please help, I’ll give you brainliest!

larisa [96]

For the first question it is (3x-5) degrees second question is (x-5)

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2 years ago

Which is a feature of a traditional IRA? There is no age limit for contributions. You can contribute until you're 70.5 years old

Crank

Hey there!

For a traditional IRA, you can only contribute until you're 70 and a 1/2 years old. There's no minimum age requirement to make any IRA contributions, but you must have a regular income that equals or exceeds your contribution.

Hope this helped you out! :-)

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4 years ago

Read 2 more answers

I mark brainliest.......

dolphi86 [110]

Answer:

Try answers.com!!! I don't know this but visit the site :)

Step-by-step explanation:

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3 years ago