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ivann1987 [24]
3 years ago
15

Which of the following relations is not a function?

Mathematics
2 answers:
SashulF [63]3 years ago
8 0
Hello,


Answer A: 2 has two pictures (values)


Novay_Z [31]3 years ago
8 0

Answer:

a

Step-by-step explanation:

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The combined age of three relatives is 120 years. James is three times the age of Dan, and Paul is two times the sum of the ages
d1i1m1o1n [39]

Answer:

Step-by-step explanation:

From the problem statement, we can create the following equation:

J + P + D = 120

where J is the age of James, P is the age of Paul, and D is the age of Dan.

From the first part of the second sentence, we can set up the following equation:

J = 3D

From the last part of the second sentence, we can set up the following equation:

P = 2(J + D)

We can substitute the second equation into the last one to get the following:

P = 2(3D + D)

P = 2(4D)

P = 8D

We can then substitute the last two equations in the first to solve for D:

3D + 8D + D = 120

12D = 120

D = 10

Plugging this into the other two equations will give us the remaining ages:

P = 8D

P = 8(10)

P = 80

J = 3D

J = 3(10)

J = 30

8 0
3 years ago
670<br> If a die is rolled 3 times, what is the total number of possible outcomes?
Triss [41]
There is to say, for each first roll, we start out with six possibilities; for each of these, there are six possibilities for the second roll; finally, for each second roll, there are six possibilities for the third. So, 6 cubed. So, 216 is our denominator, i.e., the number of all possible outcomes.

Answer: 216
6 0
4 years ago
Find g(x), where g(x) is the reflection across the x-axis of f(x) = x?.
nignag [31]

Answer:

$ g(x) = -x $

Step-by-step explanation:

The reflection of a function $ f(x) $ along the $ x - axis $ is given by $ g(x) = -f(x) $.

Here the given function is $ f(x) = x $. Therefore the reflection would be $ g(x) = -x $.

To find reflection draw the graph of it and think about how the graph of its mirror image would be. You would arrive at the reflection function.

6 0
3 years ago
9 + n/2 &gt; 16<br>show work please
iVinArrow [24]

1. write the division as a fraction
9+n/2>16 → 9+1/2n>16
2. multiply both sides of the inequality by 2
2x9+2x1/2n>2x16
3. multiply the numbers and reduce the numbers with greatest common divisor 2 (remove number 2, the common factor from equation)
18+n>32
4. move constant to the right by adding its opposite to both sides
18+n-18>32-18
5. eliminate the opposites
n>32-18
6. subtract the numbers
n>14
hope this helped!
8 0
3 years ago
A circle has a radius of 30cm what is the area
Lana71 [14]

r = 30 cm

formula: A = πr²

A = πr²

A = π30²

A = 900π

if π = 3.14, then the answer is 2,826 cm

if π is not defined, the answer is 2,827.43 cm

3 0
3 years ago
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