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Mathematics

1 answer:

pychu [463]3 years ago

7 0

I think 42

would be the best answer to your question in my opininon.

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Solve for x. Round your answer to the nearest hundredth.<br> 2x^2-6x+3=0

pogonyaev

Step-by-step explanation:

$2 {x}^{2} - 6x + 3 = 0 \\ x = \frac{ - b± \sqrt{ {b}^{2} - 4ac} }{2a} \\ x = \frac{6± \sqrt{12} }{4} \\ x = 2.4 \: or \: 0.6$

7 0

2 years ago

Please help me soon!! 10 points common plzzz!

solong [7]

Answer:

x + y = 3 x - y = 1 --------- 2x + 0y = 4 2x = 4 (2x)/2 = 4/2 x = 2

Step-by-step explanation:

hope i am right

4 0

2 years ago

Which exponential function is represented by the values in the table?

Goryan [66]

Answer:

$\displaystyle f(x)=4\cdot\left(\frac{1}{2}\right)^x$

Step-by-step explanation:

<u>Exponential Function</u>

The exponential function can be written with the general equation:

$f(x)=A\cdot r^x$

Where A is the value when x=0 and r>0 is the ratio. If r is greater than 1, the function is increasing, if r is less than 1, the function is decreasing.

The table shows the relation between values of x and values of the function y. Note that as x increases (one by one), y decreases with a ratio of 1/2. Only the last two choices have ratios of r=1/2. We only have to test which one of them has the correct value of y=4 when x=0.

Substituting in the third function:

$\displaystyle f(x)=4\cdot\left(\frac{1}{2}\right)^x$

$\displaystyle f(0)=4\cdot\left(\frac{1}{2}\right)^0$