2 years ago

Helpp plz very stuck

Mathematics

2 answers:

anyanavicka [17]2 years ago

8 0

2,400-535.18-900-506-143.75-62-175=
let me solve this quickly

Katena32 [7]2 years ago

7 0

Add all the expenses together
535.18
900.00
506.00
143.15
62.00
+ 175.00
-------------
2,321.33

Now subtract that from what he earns.

2,400.00
- 2,321.33
----------------
78.67

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Solve for x

Ulleksa [173]

Answer:

C. x = 1

Step-by-step explanation:

To solve this problem the best way is to use the quadratic formula. First make everything equal to 0 by adding 3 to both sides.

3x^2 - 6x + 3 = 0

The quadratic formula is: $\frac{-b\pm\sqrt{b^2-4ac} }{2a}$ . Substitute the values of a, b, and c into the formula. Keep in mind:

a = 3
b = -6
c = 3

$\frac{-(-6)\pm\sqrt{(-6)^2-4(3)(3)} }{2(3)} \rightarrow \frac{6\pm\sqrt{36-4(9)} }{6} \rightarrow \frac{6\pm\sqrt{0} }{6} \rightarrow \frac{1\pm0}{1} \rightarrow 1$