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I am Lyosha [343]
3 years ago
6

Mathematics I don t understand please help

Mathematics
2 answers:
bazaltina [42]3 years ago
8 0

Answer:

Step-by-step explanation:

1.y=3x-2

2.y=2/5x+2

3.y=-1/2x+4

4.y=-4x+3

5.y=5x+18

8.y=-3/2+1

you didn't include 6 & 7 that's why i skipped them

hope this helped :)

Fed [463]3 years ago
3 0

Answer:

1. y=3x-2 -> x= (y+2)/3

Step-by-step explanation:

You simply sub-in the m and b, then "reverse" the problem by doing the steps to get from the 2nd, to the first.

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wind turbines generate large amounts of electricity from wind energy. the blades on a wind turbine can revolve 22 times per minu
lesya [120]

Answer:

1320 times  

Step-by-step explanation:

            Time = 1 h × (60 min/1 h) = 60 min

Revolutions = 60 min × (22 rev/1 min) = 1320 rev

The blades revolve 1320 times per hour.


5 0
3 years ago
Can anyone plz help me
yaroslaw [1]

Answer:

They multiplied the exponents instead of adding.

Step-by-step explanation:

Essentially, 2^2 x 2^3 is (2)(2) x (2)(2)(2) which is 5, not 6

8 0
3 years ago
Read 2 more answers
$14,038 is invested, part at 14% and the rest at 12%. If the interest earned from the amount invested at 14% exceeds the interes
Advocard [28]

Answer:

492.99

Step-by-step explanation: x = amount invested at 12%

y = amount invested at 9%

---

x + y = 20287

0.12x = 0.09y + 492.99

---

put the system of linear equations into standard form

---

x + y = 20287

0.12x - 0.09y = 492.99

5 0
2 years ago
The complement of angle A is 38 degrees more than angle A
ozzi
I assume that you want the measurement of angle A
A + (A + 38) = 90
angle A + (38 more than angle a) = are complementary
2A = 52
A = 26

Hope this helps. If it did, consider making it Brainliest!
8 0
3 years ago
Read 2 more answers
Helpppppppppppppppppppppppppppppppppppppp
hodyreva [135]
|x-5| = 9

x - 5 = 9
x = 14

-(x-5) = 9
-x + 5 = 9
-x = 4
 x = -4

answer is B
{-4, 14)
7 0
3 years ago
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