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mel-nik [20]
3 years ago
11

Find the values of x and y

Mathematics
1 answer:
Novay_Z [31]3 years ago
7 0

Answer:

x=30

Step-by-step explanation:

dive 3x both sides then u should get 10

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Hi, can someone please help, and possibly explain the answer please.
mr_godi [17]

Answer:

x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}

Step-by-step explanation:

Quadratic formula: x=\frac{-b\±\sqrt{b^2-4ac} }{2a} when the equation is 0=ax^2+bx+c

The given equation is 1=-2x+3x^2+1. Let's first arrange this so its format looks like y=ax^2+bx+c:

1=-2x+3x^2+1

1=3x^2-2x+1

Subtract 1 from both sides of the equation

1-1=3x^2-2x+1-1\\0=3x^2-2x+0

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

x=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}

I hope this helps!  

8 0
2 years ago
What’s the correct answer
PolarNik [594]
The correct answer would most likely be option C. This is because the lowest tip was on 5, thus we can eliminate B and D.

And during this time the slope almost remained stationary, minimal change.







3 0
3 years ago
PLEASE HELP V IMPORTANT<br> the answers I input were just so I could see other questions.
marishachu [46]

Step-by-step explanation:

(T-S)(2000), when T(x) and S(x) are functions, is equivalent to T(2000)-S(2000), which is 17-7=10

We know that T(x) is equal to everything else, and everything else is S(x)+G(x), so T(x)-S(x) = G(x), or dollars spent on general science

6 0
2 years ago
Find the value of 26/45 times 5/53 times 28/13 please show fingures and work
hjlf

\bf \cfrac{\stackrel{2}{~~\begin{matrix} 26 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}{\underset{9}{~~\begin{matrix} 45 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}\cdot \cfrac{~~\begin{matrix} 5 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{53}\cdot \cfrac{28}{~~\begin{matrix} 13 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies \cfrac{2\cdot 28}{9\cdot 53}\implies \cfrac{56}{477}

3 0
3 years ago
What is 25% of 167??????
Alborosie

Answer:

41.75

Step-by-step explanation:

<h2><em>Hope this helps and have a nice day :)</em></h2>
6 0
3 years ago
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