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butalik [34]
3 years ago
13

Could someone please help me with this problem

Mathematics
1 answer:
kari74 [83]3 years ago
4 0
The answer is choice three

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You have some money in your wallet. You don't know the exact amount, but you think you have 60 dollars give or take 15 dollars.
Karolina [17]

Answer:

The least amount is 75 dollars.

The biggest amount is 125 dollars

Step-by-step explanation:

The absolute value function will help us determine a  range of possible values since we do not know the exact amount of money.

Defining the function.

Let x be the exact amount of money in my pocket, we can define the equation

And we know that the difference between the exact amount of money with 100 dollars must be either 25 dollars more than what we estimated, or 25 dollars less than the estimation.  So we can write:

We have a difference inside an absolute value, since we know the difference must be either +25 or -25.

Solving for x

Using the definition of absolute value we have

So if the inside of the absolute value is positive we have the first line of the piece-wise function, that is

Solving for x give us

If the inside of the absolute value is negative we have to use the second line of the piece-wise function definition

Solving for x give us

So the least amount of money in my pocket is 75 dollars and the biggest amount is 125 dollars.

6 0
2 years ago
What is the tangent ratio for ∠A?
tiny-mole [99]

for this case we have to define trigonometric relations of rectangular triangles, that the tangent of an angle is given by the leg opposite the angle on the leg adjacent to the angle. So:

tg (A) = \frac {6} {8} = \frac {3} {4}

Answer:

tg (A) = \frac {3} {4}

8 0
2 years ago
What the time in your region ?​
NemiM [27]

Answer:

Step-by-step explanation:

2:33pm

3 0
2 years ago
Read 2 more answers
A shelf measures 3.5m long and 50cm high, how many of these
serg [7]

Answer:

answer choices?

Step-by-step explanation:

3 0
3 years ago
Find the slope of the line that passes through the pair of points. (if an answer is undefined, enter undefined.) (−a + 2, b − 3)
inysia [295]
M=(y2-y1)/(x2-x1)
 (x1,y1)=<span>(−a + 2, b − 3)
</span> (x2,y2)=<span>(a + 2, −b) 
 then, </span>substituting
 m=((-b)-(b − 3))/((a + 2)-(−a + 2))
 m=(-2b+3)/(2a)
 with
 a=/0
3 0
3 years ago
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