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m_a_m_a [10]
3 years ago
13

A-9=6 p-20=-30 z-(-12)=15 x-(-7)=10

Mathematics
1 answer:
Delvig [45]3 years ago
3 0

Answer: b

Step-by-step explanation:

done it

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A circular pond is modeled by the equipment x^2+y^2=225. A bridge over the pond is modeled by a segment of the equation x-7y=-75
makkiz [27]
X² + y² = 225
x - 7y = -75

x = 7y - 75

x² + y² = 225
(7y-75)² + y² = 225
(7y - 75)(7y - 75) + y² = 225
49y² - 525y - 525y + 5625 + y² = 225
50y² - 1050y + 5400 = 0
50(y² - 21y + 108) = 0

y² - 21y + 108 ⇒ (y - 12)(y - 9)

x = 7(12) - 75
x = 84 - 75
x = 9       ⇒ (9,12)

x = 7(9) - 75
x = 63 - 75
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3 0
3 years ago
F( x) = 8x – 9 when x=3
Elan Coil [88]

Answer:

f = 5, x = 3.

Step-by-step explanation:

8x = 24

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hope this helps.

3 0
2 years ago
Read 2 more answers
A big bag of starbursts has 96 pieces. Some are pink and the rest are yellow. There is one yellow starburst for every 15 pink st
zysi [14]
12 pink ..............
5 0
3 years ago
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1. Write 1/5 as a decimal
bija089 [108]

Answer:

1.5

1.5%

10/0

7/20

35.1%

8.20%

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Step-by-step explanation:

there u go

7 0
3 years ago
Help me please please
Natalija [7]

Answer:

<A = 16.82 degrees

Step-by-step explanation:

Tan^-1 = opposite/adjacent

Tan^-1 (13/43) = 16.82 degrees

7 0
3 years ago
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