3 years ago

How many solutions exist for the given equation?

Mathematics

1 answer:

irakobra [83]3 years ago

7 0

Answer:

Its infinite solutions

Step-by-step explanation:

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3 years ago

2-(4-6x)+8=4x-(-2x-1)+5

klasskru [66]

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3 years ago

Is 6.52 grater then 6.520

stich3 [128]

No 6.52 is equal to 6.520.
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4 years ago

Read 2 more answers

What are the solutions of this quadratic equation?X2 - 10x= -34A.r=-8, -2B.r= 5 + 3iC.r=-5 + 3iD.r=-5 + 159

ololo11 [35]

The given equation is-

$x^2-10x=-34$

First, we move the independent term to the other side.

$x^2-10x+34=0$

Now, we have to use the quadratic equation to find the solutions.-

$x_{1,2}=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}$

Where, a = 1, b = -10, and c = 34.

Replacing these values in the formula, we have.

$\begin{gathered} x_{1,2}=\frac{-(-10)\pm\sqrt[]{(-10)^2-4(1)(34)}}{2(1)} \\ x_{1,2}=\frac{10\pm\sqrt[]{100-136}}{2}=\frac{10\pm\sqrt[]{-36}}{2} \end{gathered}$

But, there's no square root of -36 because it's a negative. To solve this issue, we use complex numbers that way, we would have solutions.

$x_{1,2}=\frac{10\pm\sqrt[]{36}i}{2}=\frac{10\pm6i}{2}=5\pm3i$ <h2>Therefore, the solutions are</h2> $\begin{gathered} x_1=5+3i \\ x_2=5-3i \end{gathered}$ The right answer is B.

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1 year ago

A store charges $280 for a coat. This price is 40 percent more than the amount it cost the store to buy the coat. At the end-of-

GuDViN [60]

280 * 0.6 = 168
168 is the amount it cost the store to buy the coat.
168 * 0.7 = 117.60
it would cost an employee 117.60 to purchase the coat at the sale

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3 years ago