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ki77a [65]
2 years ago
5

Question 10 of 10

Mathematics
1 answer:
labwork [276]2 years ago
4 0

Answer: C

Step-by-step explanation:

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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
Marcus spent 10 hours doing his homework last week.This week he spent 11 hours doing homework homework.He says he spent 110% mor
Ivenika [448]
Yes because 100 percent is 10 hrs so 1 more hr is 110 percent. And if u try to put it in a equation it will be 110%
5 0
3 years ago
Read 2 more answers
The answers guys help me please
padilas [110]
1.d
2.g
3.a
4.c
5.f
6.b
7.e
8 0
3 years ago
Read 2 more answers
You need to find the volume of the plastic sphere that holds the gum in your gumball machine. If the diameter is 2 feet, what is
soldier1979 [14.2K]

For this case we have that by definition, the volume of a sphere is given by:

V = \frac {4} {3} * \pi * r ^ 3

Where:

r: It is the radius of the sphere

According to the statement we have to:

r = \frac {2} {2} = 1 \ft

So the volume is:

V = \frac {4} {3} * \pi * (1) ^ 3\\V = \frac {4} {3} * 3.14\\V = 4.186

Rounding we have that the volume of the sphere is: 4.19 \ ft ^ 3

Answer:

Option B

4 0
3 years ago
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If ƒ(x) = 4x – 11, what is the value of ƒ(5)? A. 20x – 55 B.34 C.9 D.4
Kaylis [27]

Answer:

D.9 hope this helps

Step-by-step explanation:


6 0
3 years ago
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