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densk [106]
2 years ago
8

2.5 x 1 1/10 x 9/3 / 1/2

Mathematics
1 answer:
Allisa [31]2 years ago
8 0
4.125 is the answer
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Y=750x+20,000 and y=950x+27,000 compare the two equations and summarize their differences
Lostsunrise [7]

Answer:

y = 200x + 7000

Step-by-step explanation:

950x-750x=200x

27,000-20,000=7000

hope this helps

6 0
2 years ago
Read carefully and choose the name of the student who made the correct statement ..... HELPPP hurry
vladimir2022 [97]

Answer:

vince i think

6 0
3 years ago
Is x+y+1=0 a tangent of both y^2=4x and x^2=4y parabolas?
Lubov Fominskaja [6]

Answer:

  yes

Step-by-step explanation:

The line intersects each parabola in one point, so is tangent to both.

__

For the first parabola, the point of intersection is ...

  y^2 = 4(-y-1)

  y^2 +4y +4 = 0

  (y+2)^2 = 0

  y = -2 . . . . . . . . one solution only

  x = -(-2)-1 = 1

The point of intersection is (1, -2).

__

For the second parabola, the equation is the same, but with x and y interchanged:

  x^2 = 4(-x-1)

  (x +2)^2 = 0

  x = -2, y = 1 . . . . . one point of intersection only

___

If the line is not parallel to the axis of symmetry, it is tangent if there is only one point of intersection. Here the line x+y+1=0 is tangent to both y^2=4x and x^2=4y.

_____

Another way to consider this is to look at the two parabolas as mirror images of each other across the line y=x. The given line is perpendicular to that line of reflection, so if it is tangent to one parabola, it is tangent to both.

7 0
3 years ago
6.8(6.7 – 7.2) – 2(4.6 + 1.2) = ???????
Gnesinka [82]

Answer:

6.8(6.7 – 7.2) – 2(4.6 + 1.2) =-15

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Factorize 3ac-6ad-2bc+4bd​
KatRina [158]

Answer:

(c - 2d) (3a - 2b)

Step-by-step explanation:

if you need the steps just ask me in the comments and I’ll type them lol

7 0
2 years ago
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