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Verdich [7]
4 years ago
15

Is the following relation a function?xy1−21−3213−2

Mathematics
2 answers:
Aleksandr-060686 [28]4 years ago
4 0

Answer: 5

Step-by-step explanation:

Scrat [10]4 years ago
4 0
The answer is positive 5
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What is the expression of this problem (9+6x)8
katrin [286]

Answer: You did not include the answer to the equation so 48x+72 is the closet I could get to finding the expression

Hope this Helped!!!

4 0
3 years ago
Do the three points lie on one line?
padilas [110]

Answer:

Yes. No graph paper.

Step-by-step explanation:

Let's say the 3 points are A, B, C.

If A, B and C lie on one line then m_{AB} = m_{BC} = m_{AC}

m_{AB} = \frac{y_{B}-y_{A} }{x_{B}-x_{A}} = \frac{2-6}{3-5} = \frac{-4}{-2} = 2\\m_{BC} = \frac{y_{C}-y_{B} }{x_{C}-x_{B}} = \frac{8-2}{6-3} = \frac{6}{3} = 2\\\\m_{AC} = \frac{y_{C}-y_{A} }{x_{C}-x_{A}} = \frac{8-6}{6-5} = \frac{2}{1} = 2\\\\

Hence, they lie on one line.

You don't need to use a graph paper to prove it.

4 0
2 years ago
Selena is 6 years younger than Paul. In 15 years, Paul will be 4 times the age that Selena is now. Find their present ages.
s344n2d4d5 [400]

Answer:

<u>The ages of Paul and Selena are 13 and 7 years old.</u>

Step-by-step explanation:

Age of Paul = x

Age of Selena = x -6

Age of Paul and Selena in 15 years:

x + 15 = 4 (x - 6)

x + 15 = 4x - 24

x - 4x = -24 - 15

- 3x = -39

x = 13

<u>Paul now is 13 years old and Selena is 7 years old. In 15 years, Paul will be 28, that is 4 times the present age of Selena.</u>

3 0
3 years ago
Read 2 more answers
The diameter of the circle shown below is 12m. What is the area of the circle?
olya-2409 [2.1K]

Answer:

Step-by-step explanation:

A = 1/4 pie d2

= 1/4(22/7)(12)2

= 1/4(22/7)144

= 113.1

7 0
3 years ago
Read 2 more answers
Can you please Help me solve 4c &lt; 28
meriva

Answer:

4c < 28

divide by 4 both sides

x < 7

3 0
3 years ago
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