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KIM [24]
3 years ago
9

1. Kate is 3 years older than John and 5 years younger than Carri. If John is 12 years old, how old is

Mathematics
2 answers:
Doss [256]3 years ago
3 0

Answer:

20

Step-by-step explanation:

12 + 3 = 15

15+5=20

FinnZ [79.3K]3 years ago
3 0

Answer: 20

Step-by-step explanation: 12 + 3 = 15

15+5=20

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Write the following linear function as an equation the sum of x and 4y is 9
Marina CMI [18]

Answer:

y= -1/4x +9/4

Step-by-step explanation:

I did'nt know which form you needed so I just did Slope-Intercept

6 0
3 years ago
Line passes through the point (2,10) and has a y-intercept of 4. what is the equation of the line?
ZanzabumX [31]

Answer:

y = 3x + 4

Step-by-step explanation:

y = mx + b

b = y-intercept so:

b = 4

Since 4 is the y-intercept that means (0, 4).

To find slope:

m=(y2-y1)/(x2-x1)

m=(4 - 10)/(0 - 2)

m= (-6)/(-2)

m= 3

Slope-intercept:

y - y1 = m(x - x1)

y - 10 = 3(x - 2)

y - 10 = 3x - 6

y = 3x + 4

6 0
3 years ago
Read 2 more answers
20 POINTS! TTM
g100num [7]

A relation is (also) a function if every input x is mapped to a unique output y.

In terms of graphical representation, this implies that a graph represents a function if there doesn't exist a vertical line that intersects the graph more than once. So:

  1. The first graph is exactly a vertical line, so it's not a function.
  2. The second graph represents the function y=x, so it's a function: you can see that every possible vertical line crosses the graph only once.
  3. The third graph is not a function, because you can draw vertical lines that cross the graph twice.
  4. Similarly, in the fourth graph you can draw vertical lines that cross the graph twice
  5. The fifth graph is a function, because every vertical line crosses the graph once
  6. The last graph is a function, although discontinuous, for the same reason.
8 0
4 years ago
Read 2 more answers
What's the numerator for the following rational<br> expression? x/y+ 7/y = ?/y
Mice21 [21]

Answer:

x+7

Step-by-step explanation:

7/y-?/y=x/y

?=x+7

Sorry, I wish I could elaborate more but I can't...

7 0
4 years ago
List the PROs and CONs of using coal as a power source.
Anna11 [10]

Answer:

pros:Affordability,Known technologies,Safety.

cons:Greenhouse gas emissions,Mining destruction,Emission of harmful substances.

Step-by-step explanation:

5 0
3 years ago
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