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aliya0001 [1]
3 years ago
15

Identify the y intercept of the function 2x +6y=12

Mathematics
2 answers:
Archy [21]3 years ago
4 0
<span>2x +6y=12
 To</span><span>Identify the y intercept, we have x=0 and that means y=2
So we could say the y-intercept of that function is 2
Have fun</span>
jolli1 [7]3 years ago
3 0
Here's a graph. Remember that the y intercept crosses the y axis. 

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The sum of the digits of a two-digit number is 12. The number formed by interchanging the digits is 54 more than the original nu
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Let X and Y be the digits.
If a two-digit number is written XY, then its value is 10x+y.
When the digits of the number are interchanged, it's YX, and its value is 10y+x.

The sum of the digits is 12.
The number formed by interchaning the digits is 54 more than the original number.

x+y=12 \\&#10;10x+y+54=10y+x \\ \\&#10;x+y=12 \\&#10;10x-x+y-10y=-54 \\ \\&#10;x+y=12 \\&#10;9x-9y=-54 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\div 9 \\ \\&#10;x+y=12 \\&#10;\underline{x-y=-6} \\&#10;x+x=12-6 \\&#10;2x=6 \\&#10;x=\frac{6}{2} \\&#10;x=3 \\ \\&#10;x+y=12 \\&#10;3+y=12 \\&#10;y=12-3 \\&#10;y=9

The digits X and Y are 3 and 9, so the original number is 39.
8 0
3 years ago
How many ways are there to deal hands of five cards to each of six players from a deck containing 52 different cards?
VMariaS [17]

Answer:

Shdhhdhdhdhdhdhdhdhdhhdhdhdhdhbdbdbdbdhdbdbdjucyxhdhdhdhbdbdbd

Step-by-step explanation:

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8 0
3 years ago
three fruits are randomly selected from a basket containing 3 apples 2 oranges and 5 kiwis. What is the probability that the thr
stira [4]
3/10 is the probability


8 0
3 years ago
Plz help i will mark brainliest
Alexus [3.1K]
2,3,and4 is 72
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5 0
2 years ago
What is the value of the expression f(-3) + 2f(-1) - f (4)<br><br> PLEASE HELP NO LINKS
Bas_tet [7]

Answer:

22

Step-by-step explanation:

Find f(-3) :

f(x) = x² + 2x for x ≤ -3

That means for those values of x, less than or equal to -3, this is the function.

So, f(-3) = (-3)² + 2(-3) = 9 - 6 = 3

Now, f(-1) :

From the given data, we see it is: f(x) = 2 (\frac{1}{3} )^{2x}

We take this because -1 lies between -3 and 4.

Now, f(-1) = 2 (\frac{1}{3} )^{2(-1)}

 => f = (-1) = 2(3)^{2} = 2 (9) = 18

For f(4) :

Clearly, the function is: f (x) = \frac{2x - 5}{x-7}

f (4) = \frac{2(4)-5}{4-7} = \frac{3}{-3} = -1

Therefore, <u>f(-3) + f(-1) - f(4) = 3 + 18 - (-1) = 3 + 18 + 1 = 22.</u>

5 0
3 years ago
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