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forsale [732]
3 years ago
14

Please help will give brainliest

Mathematics
1 answer:
notka56 [123]3 years ago
3 0

Answer:

b

the points make a sad face on the graph  and if you do the vertical line test you can see that its a function

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M is the midpoint of , cm = 2x + 3, and md = 3x – 6. what is cd? answer
wlad13 [49]
<span>If M is the midpoint of CD, CM = 2x+3 and MD = 3x-6, then:

MD = CM
3x - 6 = </span>2x + 3
3x - 2x = 3 + 6
x = 9

CM = 2x+3 = 2*9+3  18+3 = 21
MD = CM = 21
CD = CM + MD = 21 + 21 = 42
7 0
3 years ago
The area of a square tile is the same as the area of rectangular tile that is 18 inches long and 18 inches wide.
Ahat [919]

Answer:

area \: of \: square \:  = area \: of \: rectangle \\ area \: of \: square \:  =  \: 18 \times 18 \\ area \: of \: square \:  = 324 \\ side \: of \: square \:  =   \sqrt{area \: of \: square}  \\ side \: of \: square \:  =  \sqrt{324}  \\ side \: of \: square \:  = 18 \: inches

Step-by-step explanation:

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7 0
3 years ago
1.4x + 1.2x - 3.8 = -9​
sashaice [31]
First, to make the equation easier to read, you want to add the x’s together. you should then get 2.6x-3.8=-9. then, you want to add the 3.8 to both sides, to make the x stand alone. you should end up with 2.6x=-5.2. to find x, you then want to divide both sides by 2.6. your final answer after dividing should be x=-2
4 0
3 years ago
What is 8 raised to the -2/3 power? I need help
Naddik [55]

Answer:

The answer will be 0.25 or 1/4

Step-by-step explanation:

8^(-2/3)= 0.25

HOPE THIS HELPS!! PLEASE GIVE BRAINIEST!!

7 0
3 years ago
If f(x) = -3x - 5 and g(x) = 4x - 2, find (f - g)(x).
ratelena [41]

Answer:

  A.  (f-g)(x) = -7x -3

Step-by-step explanation:

(f -g)(x) = f(x) -g(x) = (-3x -5) -(4x -2)

  = -3x -5 -4x +2

  = -3x -4x -5 +2

  (f -g)(x) = -7x -3

3 0
2 years ago
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