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zloy xaker [14]
2 years ago
12

30 points! PLS HELP IF U SMART

Mathematics
2 answers:
ANTONII [103]2 years ago
8 0

Answer:

y = 40             x = 80

Step-by-step explanation:

520 = 3.25x + 6.5y     and   x+y=120

x+y=120

x = 120-y

520 = 3.25(120-y)+6.5y

520 = 390-3.25y+6.5y

520 = 390+3.25y

130=3.25y

40 = y

x = 120-y

x = 120-(40)

x = 80

here's a graph

Sergeeva-Olga [200]2 years ago
4 0
Y=40 x=80 ty for your time
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kolezko [41]

Answer:

We could say 10

Step-by-step explanation:

1) Remove unneeded info

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68/7

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8 0
2 years ago
PLEASE HELP
uranmaximum [27]

The coordinate for A, B, C, and D: (Current coordinates)

A: (-1, 4)

B: (-5, 8)

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D: (-4, 2)

Once we reflect acorss the y-axis the coordinates become:

A': (1, 4)

B': (5, 8)

C': (5, 4)

D': (4, 2)

In this situation the coordinates just become positive.

I hope this helps!

5 0
3 years ago
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liubo4ka [24]
For number one, the answer will be C because the ratio between the side and the perimeter of the Pentagon will be 1/5 or 2/10 or 3/15. For number 2, we know that the Pentagon had 5 sides, and the side of it is 8, so the perimeter of this Pentagon will be 8+8+8+8+8 or 40 inches, which is C. Hope it help!
8 0
2 years ago
An airplane flies from City A in a straight line to City B, which is 120 kilometers north and 180 kilometers west of City A. How
Lubov Fominskaja [6]

Answer: 216 kilometers

Step-by-step explanation:

You need the hypotenuse, this is the formula: h = √(a^2 + b^2)    

so...

√(120^2 + 180^2)

√(14400 + 32400)

√46800

216.33

5 0
3 years ago
How do linear and exponential functions compare over time?
Murljashka [212]

Answer:

Exponential Functions

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8 0
3 years ago
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