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lions [1.4K]
2 years ago
15

Y= x + 1y= -x + 5 what's the answer pls I need it asap​

Mathematics
2 answers:
Sever21 [200]2 years ago
5 0
X + 1 = -x + 5
2x = 4
x = 2
Lena [83]2 years ago
3 0

Answer:

X= 2 and y = 3

Step-by-step explanation:

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A coin is tossed 6 times. Find the probability P(of exactly 4 occurrences of heads).
Angelina_Jolie [31]
Let's draw!

H                             1                              T
HT                           2                           HT
HTHT                      3                      HTHT
HTHTHT                 4                  HTHTHT
HTHTHTHT            5             HTHTHTHT
HTHTHTHTHT       6        HTHTHTHTHT

You can count the probabilities using this.

HHHHTT
HHHTHT
HHTHHT
HHTHTH
HHHTTH
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HTHTHH
HTHHTH

THHHHT
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Therefore, I think the probability is 14/64. Not sure so check my work.
14 combinations
64 outcomes (2+4+8+16+32+64 or 2^n)

7 0
3 years ago
Which quadratic equation is equivalent to (x+2)2+5(x+2)-6=0
professor190 [17]
(x+2)^2+5(x+2)-6=0\\\\x^2+2\cdot x\cdot2+2^2+5\cdot x+5\cdot2-6=0\\\\x^2+4x+4+5x+4-6=0\\\\x^2+9x+2=0
6 0
3 years ago
What is the solution to the system of equations?
alukav5142 [94]

Answer:

  (x, y) = (-4, 15)

Step-by-step explanation:

The two equations have the same coefficient for y, so you can eliminate y by subtracting one equation from the other. Here the x coefficient is largest for the first equation, so it will work best to subtract the second equation.

  (3x +y) -(2x +y) = (3) -(7)

  x = -4 . . . . . . . . simplify

Now, we can find y by substituting this value for x.

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  y = 7 +8 = 15 . . . . . add 8 to both sides of the equation

The solution is (x, y) = (-4, 15).

6 0
3 years ago
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aleksklad [387]

Answer:it’s C just trust me please

7 0
3 years ago
The scale shows both percentages and decimals.
soldier1979 [14.2K]
0.9 and 0.07
hope it helps
3 0
3 years ago
Read 2 more answers
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