2 years ago

Why do the comments on brainly keep getting deleted?

Mathematics

2 answers:

julia-pushkina [17]2 years ago

8 0

When the limit of sentences get exceeded in the comments it one by one starts to delete...

Goshia [24]2 years ago

4 0

I don’t know omg :ccccc

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What is the value of x, if 105% of 90 is equal to 200% of x?

lisov135 [29]

From the given equation

105% * 90 = 200% * x

105/100 * 90 = 200/100 * x

105*90 = 200*x

x = 105*90/200

X = 21*9/4

X = 189/4

x = 47.25

Value of x = 47.25 or 47 1/4

7 0

3 years ago

Read 2 more answers

How do I find the answer?

11Alexandr11 [23.1K]

First simplify the number part, 14/2 = 7/1
then the x part, $\frac{x}{x^ \frac{3}{4} } = x^ \frac{1}{4} 
$
y doesn't need to be simplified
then simplify the z part, z^-6 = z^6

put it all together...
$7x^ \frac{1}{4}y^ \frac{1}{3} z^6$

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2 years ago

Solve for -2<-3-3x<0

gregori [183]

-3 from all ends to get 1<-3x<3 then divide by -3 on all ends to get -1/3>x>-1 you flip the sign because of the negative,

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3 years ago

13. After Valentine's Day, boxes of chocolates go on sale and are marked down 10%. The

Anna007 [38]

Answer:

$27.00

Step-by-step explanation:

First, 10% of 30 = 3.

Second, 30 - 3 = 27

Hope this helps!

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2 years ago

Write a quadratic equation in standard form that has two solutions, -9 and 3

erastovalidia [21]

So for this you need the two solutions to be x= -9 and x=3 then move over the numbers and put in brackets (x+9)(x-3) then multiply together x^2+9x-3x-27 then combine like terms to get x^2+6-27

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3 years ago