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3 years ago

Twice a number minus 4 is less than three times number

2 answers:

8 0

Let the number be x
twice a number: 2x
minus 4: -4
three times a number: 3x
less than symbol: <

form the equation exactly how the sentence is written to give:
2x - 4 < 3x

rearrange by taking 2x away from each side to give an expression for x:
-4<x

Zina [86]3 years ago

6 0

2x - 4 < 3x

Just follow the question.

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Rhett made $250 washing cars with his mobile car wash company. He charges $70 per car and earned $50 in tips. Write an equation

Vadim26 [7]

Answer: 250=70x+50

Step-by-step explanation:

250 being the total would go at the equal sign

250=

And since it says 70 Per car that means it would be 70x so

250=70x

50 dollars in tips is a total so

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(w-x)^2 + 26x; if w = 6 and x = -1

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Answer:

$\boxed{\boxed{\sf 23}}$

Step-by-step explanation:

$\boxed{\sf Hi\: there!}$

$\sf (w-x)^2 + 26x$

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$\sf x=-1$

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→ $\sf \left(6-\left(-1\right)\right)^2+26\left(-1\right)$

→ $\sf 23$

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2 years ago

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Step-by-step explanation:

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2 years ago

F(x)=|3x+5|+6<br> g(x)=7<br> find (f+g) (x).

horrorfan [7]

Answer:

$(f+g) (x)=\mid 3x+5\mid+13$

Step-by-step explanation:

<u>Operation of Functions</u>

Given:

$f(x)=\mid 3x+5\mid+6$

$g(x)=7$

The sum of (f+g) (x) is:

$(f+g) (x)=\mid 3x+5\mid+6+7$

We cannot operate with the expression inside the absolute bars, thus:

$\boxed{(f+g) (x)=\mid 3x+5\mid+13}$

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I only know #1 which is 0.85

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