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zmey [24]
3 years ago
15

Solve the system of equations using substitution. 3x + 2y = 7 y = –3x + 11

Mathematics
2 answers:
juin [17]3 years ago
4 0
I believe if i did my math right its c. (:
Ilia_Sergeevich [38]3 years ago
3 0
The answer is letter c
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Delicious77 [7]

Answer: hey thanks

Step-by-step explanation:

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3 years ago
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The current in a simple electrical circuit is inversely proportional to the resistance. The current is 80 amps when the resistan
Oksana_A [137]
I =  / r            where I = current and r = resistance

80 = k / 50 so
k = 400

so we have I = 400/r

when r = 40  
I = 400/40 = 10 amps
6 0
3 years ago
A lawn sprinkler sprays water 4 feet in all direction as it rotates.
Ber [7]

Answer:

50.24 ft^2

Step-by-step explanation:

The radius of the circle in which the lawn sprinkler sprays water is 4 feet.

The formula to find the area of a circle is \pi r^2, where r = radius and π, in this case, is 3.14.

  • 3.14 × 4^2
  • 3.14 × 16
  • 50.24 ft^2

Therefore, the answer is 50.24 ft².

5 0
2 years ago
Can Someone PLSSS help me on this math homework from 12-16
aniked [119]
The answer is negative 4
3 0
3 years ago
Don’t understand, plz explain very urgent
nekit [7.7K]
Basically you have to use trigonometry to solve this. You will be using a sine ratio. Type sin-1(36/43). Use the 2nd button to do this. Your answer should be 56.84659158 but round to 57.
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