2 years ago

Which equation has 2 solutions?

Mathematics

1 answer:

WARRIOR [948]2 years ago

7 0

Answer:Umm you can do ratios if you learned it or you can times it

Step-by-step explanation:

Hope this helps

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Solve using Quadratic Formula <br>x^2 + 3x - 3 = 0

katrin [286]

Answer:

a= 1 , b= 3 , c= –3

$x = \frac{ - b \frac{ + }{} \sqrt{ {b}^{2} - 4ac} }{2a} \\ x = \frac{ - 3 \frac{ + }{} {} \sqrt{ {3}^{2} - 4(1)( - 3)} }{2(1)} \\ = \frac{ - 3 \frac{ + }{} \sqrt{9 + 12} }{2} = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = 0.79 \\ x = - 3.79$

I hope I helped you^_^

4 0

3 years ago

Anyone want to talk? whats 95x4?

grin007 [14]

Answer:

95*4=380

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Please help me out..

sdas [7]

Answer:

x=41

y=139

Step-by-step explanation:

x+y = 180 since they form a straight line

y is 3x +16

y = 3x +16

Replace y in the first equation

x+3x +16 = 180

Combine like terms

4x +16 = 180

Subtract 16 from each side

4x+16-16 =180-16

4x =164

Divide each side by 4

4x/4 =164/4

x = 41

y = 3x +16

y = 3*41 +16 = 123+16 =139

5 0

3 years ago

describe the pattern in each sequence and determine the next term of the sequence 21, 16, 11, 6, 1, -4

Nataly_w [17]

Answer:

-9 and each term is subtracted by 5 to get the next term.

Step-by-step explanation:

The previous term is subtracted by 5.

7 0

3 years ago

Read 2 more answers

Find the value of x in each figure

Angelina_Jolie [31]

Answer:

20...90°-46°

=44°

therefore 44÷4

=11

therefore x=11

21....90°-20°

=70°

70-15

=55

therefore x=55°

22...90°÷3

=30

THEREFORE X=30°

6 0

2 years ago