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3 years ago

ℜ 0, -180 is the same rotation as _______.

Mathematics

2 answers:

andreyandreev [35.5K]3 years ago

7 0

270 degrees or -90 degrees.

Bad White [126]3 years ago

3 0

Answer:

The answer is 0,180

Step-by-step explanation:

Since 0, -180 is the rotation and if you look at the other rotations like 90, 180 the first rotation would be different. so 0, 180 is the same as 0, -180 because they both would be a full rotation of a 180 rotation. The first number "0 ," would have to be the same.

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2 years ago

Subtract 8 y^2 − 5 y + 7 from 2 y^2 + 7 y + 1 1 The answer is: −6y ^2 +12y+4

lys-0071 [83]

Answer:

$\large\boxed{-6y^2+12y+4}$

Step-by-step explanation:

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3 years ago

Solve -3x2 + 30x - 90 = 0.

FrozenT [24]

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6 0

3 years ago

Can anyone tell me what’s the answer??

maks197457 [2]

Answer:

x = 10

y = 25

Step-by-step explanation:

if you add the equations as they are then the 'y-term' is eliminated:

60x = 600

x = 10

substitute x=10 to find value of 'y':

40(10) + 4y = 500

400 + 4y = 500

4y = 100

y = 25

Check:

20(10) - 4(25) should equal 100

200 - 100 = 100

100 = 100

5 0

2 years ago