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olga2289 [7]
3 years ago
11

IISLUCIO

Mathematics
1 answer:
Alex3 years ago
3 0
Answer:
3.95m + 8.95b = 47.65
Why?
It cannot be the first or second equation since the total amount was $47.65, not $60.55 or $47.95.
It’s either the third or fourth equation. You can tell it’s the third one since in the question it states “Let m represent the number of magazines and b represent the number of books.” The fourth equation gets it reversed by saying each magazine costs $8.95 and each book costs $3.95, when in reality it’s the other way around.
Therefore, the third equation most accurately depicts this situation.
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Is a triangle with two congruent sides always have 45 45 and 90 degrees?
Alex Ar [27]
No.  Two angles will have to be the same and the third angle will just be 180° minus twice the smaller angles.

So if we let the equal angles equal a, and the large angle equal be we have:

2a+b=180

So there are infinitely many values that a and b can have.

a=(180-b)/2, so the smaller equal angles have the range (0,90)

b=180-2a, so the larger has a range of (0,180)
8 0
3 years ago
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Anna [14]

Answer:

B.

Step-by-step explanation:

The vertical line test is what I used to test this.

6 0
3 years ago
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marta [7]
C , it’s become more adapted to and more modern
5 0
3 years ago
Write the slope-intercept form of the equation through (4, 2) perpendicular to LaTeX: y=4x-4
marin [14]

Answer:

y=4x-4

slope of the line=-4/-1

                             4/1

since perpendicular,

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The equation of line passing through the point (4,2)is

  y-y1=m2(x-x1)

  y-2=-1/4(x-4)

Step-by-step explanation:

i don't say that you have to mark my ans as brainliest but my friend if  it has helped you a bit also don't forget to thank me.....

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