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3 years ago

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A carpenter buys $54.38 worth of parts from a supplier. If he pays for the parts with a $100 bill, how much change will he recei

ve? A. $45.62 B. $55.62 C. $56.72 D. $55.72

2 answers:

kiruha [24]3 years ago

7 0

A because 100-54.38=45.62

Afina-wow [57]3 years ago

3 0

Really simple!
So you have $100 just subtract the price and that's your answer!
$100-54.38= 45.62

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The sequence diverges.

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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3 years ago

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Find the solution set of this inequality|10x+20| ≤10

Pavlova-9 [17]

Answer:

solution is

[-3,-1]

Step-by-step explanation:

we are given

$|10x+20|\leq 10$

Firstly, we will find critical values

so, let's assume it is equal

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now, we can break absolute sign

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$-(10x+20)= 10$

we can solve for x

$-10x-20= 10$

Add both sides by 20

$-10x-20+20= 10+20$

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Divide both sides by -10

and we get

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For $|10x+20|= (10x+20)$ :

$(10x+20)= 10$

we can solve for x

$10x+20= 10$

Subtract both sides by 20

$10x+20-20= 10-20$

$10x= -10$

Divide both sides by 10

and we get

$x=-1$

so, critical values are

$x=-3$

$x=-1$

now, we can draw a number line and locate these values

and then we can check inequality on each intervals

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We can select any random value from this interval and plug that in inequality

and we get

we can plug x=-5

$|10\times -5+20|\leq 10$

$|-50+20|\leq 10$

$30\leq 10$

so, this is FALSE

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We can select any random value from this interval and plug that in inequality

and we get

we can plug x=-2

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$|-20+20|\leq 10$

$0\leq 10$

so, this is TRUE

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We can select any random value from this interval and plug that in inequality

and we get

we can plug x=0

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Answer:

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5. 1.5

6. 1.5

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3 years ago

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