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2 years ago

What‘s 1+1? ;);) have a good day :)

Mathematics

2 answers:

fomenos2 years ago

6 0

Answer:

the correct answer would be 2

Step-by-step explanation:

have a good day also

galben [10]2 years ago

4 0

Answer: 2 :))

Step-by-step explanation: hope you also have a good day!!

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Use the quadratic formula to solve the equation x^2-7x-6=0

olganol [36]

Answer:

$\frac{7\pm\sqrt{73}} {2}$

Explanation:

We have been given with the quadratic equation $x^2-7x-6=0$

We have general formula to find the roots of a quadratic equation first we find the discriminant with formula

$D=b^{2}-4ac$

and after that to find the variable suppose x we have the formula

$x=\frac{-b\pm\sqrt{D}} {2a}$

And general quadratic equation is

$ax^2+bx+c=0$

On comparing the given quadratic equation with genral quadratic equation we will have values

a=1, b=-7 and c=-6

After substituting these values in the formula we will get

$D=(-7)^2-4(1)(-6)={73}$

After substituting in the formula to find x we will get

$\frac{-(-7)\pm\sqrt{73}} {2}= \frac{7\pm\sqrt{73}} {2}$

4 0

3 years ago

Read 2 more answers

Solve x2 – 3x - 108 = 0.

rewona [7]

X=12, -9 I hope this somewhat helps you :)

7 0

3 years ago

Whats 70 + 1 =<br><br> help pls

Komok [63]

70 + 1 = 71

Hope I Helped!

5 0

2 years ago

Read 2 more answers

I need help with both questions.

Licemer1 [7]

Answer:

yeah, (891)+(038)=(193994)

$$$$$$$$$$$$$$$$$$$$$$$

I'll help anytime you need

7 0

3 years ago

Answers with work plz

Aleks04 [339]

Answer:

15. 50.24

Step-by-step explanation:

pi times r squared

7 0

3 years ago