Last one please help meeeee

Mathematics

1 answer:

sergey [27]3 years ago

6 0

Answer: Answer :Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

√

Decimal Form:

0.04622408

…

0.04622408

I hope this helps friend

Step-by-step explanation:

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Three times the sum of a number and four is equal to five times the number, decreased by two

vodka [1.7K]

Answer is x=2 bacause u just jave to listen. this is the equation . 3x+4=5x-2. solve

4 0

3 years ago

Store A

MArishka [77]

<h3>Answer: Choice C) $1,444.50</h3>

========================================================

There are two methods to get the answer.

The slightly longer method is to take 7% of the original price to get

7% of 1350 = (7/100)*1350 = 0.07*1350 = 94.50

The sales tax is $94.50

Add this onto the original price to get 1,350+94.50 = 1,444.50

----------------------------

A shortcut is to multiply the original price by 1.07

The multiplier 1.07 represents a 7% increase since

1 = 100%
0.07 = 7%
1.07 = 1 + 0.7 = 100% + 7%

So we will have 1.07*1350 = 1,444.50

4 0

3 years ago

0=4t-16t^2 Solve this please

vaieri [72.5K]

Answer:

$\large\boxed{t=0\ \vee\ t=\dfrac{1}{4}}$

Step-by-step explanation:

$4t-16t^2=0\qquad\text{divide both sides by 4}\\\\\dfrac{4t}{4}-\dfrac{16t^2}{4}=\dfrac{0}{4}\\\\t-4t^2=0\\\\t(1-4t)=0\iff t=0\ \vee\ 1-4t=0\\\\1-4t=0\qquad\text{subtract 1 from both sides}\\\\-4t=-1\qquad\text{divide both sides by (-4)}\\\\t=\dfrac{1}{4}$