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3 years ago

For the expression 5- 5x to have a negative value, what must be true about the value of x

Mathematics

2 answers:

ololo11 [35]3 years ago

6 0

For the expression to be true to have a negative value, x has to be greater than 1

Y_Kistochka [10]3 years ago

4 0

Answer:

5-5=1

Step-by-step explanation:

the explenation

jenzy

equmatic problem frotality

tanginality and awittality

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Help with proving the following

Galina-37 [17]

Hello and Good Morning/Afternoon

Let's take this problem step-by-step:

First step

⇒ consider the fact cotθ = 1 / (tanθ)

$\frac{1+tanx}{1+cotx} =\frac{1+tanx}{1+\frac{1}{tanx} }$

Second step

⇒ form a common denominator for the fraction in the 'denominator'

$\frac{1+tanx}{1+\frac{1}{tanx} } =\frac{1+tanx}{\frac{tanx+1}{tanx} }$

Let's flip over the fraction on the denominator

$\frac{1+tanx}{\frac{tanx+1}{tanx} } =(1+tanx) * \frac{tanx}{1+tanx} =tanx$

And there you go, you have proved the statement by following these steps!

*note, I used 'x' because the equation creator didn't have 'θ' symbol

Hope that helps!

#LearnwithBrainly

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2 years ago

Show me the equation for 3 less than 5 times a number is 12 use X for the variable

ANEK [815]

Answer:

The required equation is 5x - 3 = 12

Step-by-step explanation:

We have to find the equation for the given condition

Let the number be x as given in the equation

Now according to the condition

5 time the Number is 5 *x = 5x

Three less then 5 time the Number would be 5x - 3

And all of it is equal to 12

Which gives us the equation

5x - 3 =12

The required equation is 5x - 3 = 12

7 0

4 years ago

If the original number is 15 and the new number is 5, what is the percent decrease?

Arlecino [84]

When a quantity grows (gets bigger), then we can compute its PERCENT INCREASE:

[beautiful math coming... please be patient] PERCENT INCREASE=(new amount−original amount)original amountPERCENT INCREASE=(new amount−original amount)original amount

Some people write this formula with 100%100% at the end,
to emphasize that since it is percent increase, it should be reported as a percent.

So, here's an alternate way to give the formula:

PERCENT INCREASE=(new amount−original amount)original amount⋅100%PERCENT INCREASE=(new amount−original amount)original amount⋅100%

Recall that 100%=100⋅1100=1100%=100⋅1100=1 .
So, 100%100% is just the number 11 !
Multiplying by 11 doesn't change anything except the name of the number!
Hope this helps

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3 years ago

The number n and −34 are additive inverses.

lorasvet [3.4K]

we have the numbers

$n\\ and\\ -\frac{3}{4}$