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xxTIMURxx [149]
4 years ago
15

Please help me it’d be truly appreciated luvs !

Mathematics
1 answer:
natka813 [3]4 years ago
8 0

Step-by-step explanation:

5x - 2xy + 4y - 3y + 2x - z + 3xy

7x + xy + y - z

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What is 0.25 kilometers expressed in centimeters?
Agata [3.3K]
Knowing the fact:
1 km = 1000m
1 m = 100cm

We can calculate:
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4 0
3 years ago
A local fish market is selling fish and lobsters by the pound. The fish, f, costs $4.25 a pound, while the lobster, l, costs $9.
malfutka [58]

9514 1404 393

Answer:

  • 7 pounds of fish
  • 18.5 pounds of lobster

Step-by-step explanation:

Let x represent the number of pounds of lobster sold. Then 25.5-x is the number of pounds of fish. The total money made is ...

  4.25(25.5-x) +9.00x = 196.25

  4.75x + 108.375 = 196.25 . . . . . simplify

  4.75x = 87.875 . . . . . . . . . . . subtract 108.375

  x = 18.5 . . . . . . . . . . . . . . . divide by 4.75

The market sold 7 pounds of fish and 18.5 pounds of lobster.

8 0
3 years ago
"find the equation of the line passing through the point (1,1) and perpendicular to the line y=5x-1 enter the exact answer. Use
arlik [135]

In this question, we have o find the equation of line passing through point (1,1) and is perpendicular to the line

y = 5 x-1

And slope of the given line is 5. And slopes of perpendicular lines are opposite and reciprocal of each other.

So slope of perpendicular line is

m = - \frac{1}{5}

Using slope intercept form, which is

y=mx+b

Substituting the values of x and y from the given point, and the value of m, we will get

1= -  \frac{1}{5} +b

adding 1/5 to both sides

1 + \frac{1}{5} = b
\\
b = \frac{6}{5}

So the required equation of line is

y = - \frac{1}{5} x + \frac{6}{5}

8 0
4 years ago
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Marina86 [1]

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8 0
4 years ago
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Please help this is due tmr, Don't answer the question if you have no answer or ideas. Im not trying to be rude but I really jus
Thepotemich [5.8K]

Answer:

watch Khan academy video it should explain everything on absolute value and whatever else u need help with it has probably multiple videos for each unit in math

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3 years ago
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