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vlabodo [156]
3 years ago
6

The difference of twice a number and 3 is at most -21

Mathematics
1 answer:
Dmitrij [34]3 years ago
6 0

Answer:

The equation: 2<em>n</em> - 3 ≤ -21

The answer to the equation: <em>n</em> ≤ 9

Step-by-step explanation:

How to get the equation:

<u>The difference of</u> symbolizes subtraction. Because we are subtracting twice a number and 3, the first part of the equation can be written as 2<em>n</em> - 3. The <em>n</em> symbolizes the number.

<u>is at most</u> symbolizes a less than or equal to sign. That sign is ≤. And what is it less than or equal to? -21.

Now are equation is 2<em>n</em> - 3 ≤ -21

How to solve it:

2<em>n</em> - 3 ≤ -21

Add 3 to both sides of the equation

2<em>n</em> ≤ 18

Divide both sides of the equation by 2

<em>n</em> ≤ 9

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3 years ago
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8 0
3 years ago
9. A contestant on a game show must guess the price of a new car. The contestant will
iren [92.7K]

Given :

A contestant on a game show must guess the price of a new car. The contestant will  win if his guess is within $1000 of the price of the car.

To Find :

If the price of the car is  $24,995 and the contestant's guess is represented by g, what absolute value  inequality represents this situation.

Solution :

Let, range in which participant guess would be considered correct is r.

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4 0
3 years ago
Simplify (6x+4y)-2y please and thank you
Reika [66]

Answer:

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Step-by-step explanation:

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3 years ago
Whats a+2 over 2=-1 ??
tia_tia [17]
Not sure what exactly you meant, so i solved for both possibilities...

Answer: a=-2

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____________________

Answer: a=-4

assuming you mean (a+2)/2=-1...

(a+2)/2=-1
simplify...
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simplify
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subtract 1 from both sides
a/2=-2
multiply both sides by 2
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8 0
3 years ago
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