2 years ago

Which is a true statement?

1 answer:

7 0

C. is the answer cuz if u do a number line and organize it and put the numbers in there places the right side is the biggest the ones in the left towards the negative is the lowest

HOPE THIS HELPS:)

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F 9 is added to twice a number and this sum is multiplied by 4, the result is the same as if the number is multiplied by 4 and

riadik2000 [5.3K]

Let
x---------> the number

we know that
[9+2x]*4=4x+12
36+8x=4x+12
8x-4x=12-36
4x=-24
x=-24/4
x=-6

the answer is
-6

8 0

2 years ago

For the love of God help me !! I'm desperate for it tomorrow

USPshnik [31]

$D:5x-2>0 \wedge x>0 \wedge x-1>0\\D:5x>2 \wedge x>0 \wedge x>1\\D: x>\frac{2}{5} \wedge x>1\\D:x>1\\\log_2(5x-2)-\log_2x-\log_2(x-1)=2\\\log_2\frac{5x-2}{x(x-1)}=\log_24\\\frac{5x-2}{x(x-1)}=4\\4x(x-1)=5x-2\\4x^2-4x=5x-2\\4x^2-9x+2=0\\4x^2-x-8x+2=0\\x(4x-1)-2(4x-1)=0\\(x-2)(4x-1)=0\\x=2 \vee x=\frac{1}{4}\\\frac{1}{4}\not \in D \Rightarrow \boxed{x=2}$