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Stells [14]
3 years ago
15

Steven bought a watch for $140 and added a 40% markup before reselling.

Mathematics
1 answer:
dusya [7]3 years ago
8 0

Answer:

$196

Step-by-step explanation:

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Find an equation of the line that is perpendicular to the graph of 2x+5y=5 and contains the point of intersection of the graphs
gavmur [86]

Answer:

  5(x+1) -2(y-3) = 0

Step-by-step explanation:

For a given line ax+by=c and point (h, k), a perpendicular line through the point can be written as ...

  b(x-h) -a(y-k) = 0

A graphing calculator shows the point of intersection of the graphs of the two lines to be (x, y) = (-1, 3), so the line perpendicular to 2x+5y=5 through that point can be written ...

  5(x+1) -2(y-3) = 0

_____

In the attached graph, the requested line is shown in black.

3 0
3 years ago
In AGHI, the measure of
Alexus [3.1K]

Answer:

yes

Step-by-step explanation:

4 0
3 years ago
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Plz explain and I'll give brainly!!!
miss Akunina [59]

Answer:

(2,21)

Step-by-step explanation:

y = 10.5x

plug 2 for x  in the equation

y = 10.5(2)

then multiply 2 by 10.5

y=21

7 0
3 years ago
Charlie's eraser has a mass of 9 grams. How many milligrams is the eraser?
Vadim26 [7]

Answer:

9000 milligrams

Step-by-step explanation:

One gram is the <em>equivalent of 1000 milligrams</em>.

So, <em>9 grams is 9*1000 milligrams</em>, which is 9000 milligrams.

8 0
3 years ago
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Age Problem. Please help. I suck at these.
eimsori [14]
Let Cynthia's age be C, then Abigail's age A

since Abigail is 8 years older, her age A = C+8.

20 years ago Cynthia's she was C-20 and Abigail was A-20=3(C-20)

A-20=3C-60
A=3C-40
but we just said A=C+8
so 3C-40=C+8
2C=48
C=24
A=24+8=32

Cynthia's age is 24 and Abigail's age is 32
7 0
3 years ago
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