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2 years ago

Last month, Seth made money by selling stocks. His investment income was $401

Mathematics

1 answer:

jolli1 [7]2 years ago

8 0

Answer:

B, Seth lost $261 by selling stocks.

Step-by-step explanation:

Since the income is negative, it would only be logical that he would've lost money, since you can't make negative money.

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Explain how you would find 45 x 7/9 mentally.

Novosadov [1.4K]

You would do 45 divided by 9 which is 5. Then you do 5x7= 35 and that's your answer

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2 years ago

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Ivenika [448]

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2 years ago

Look at this system of equations. How can the system be changed so that the two equations have equal x-coefficients?

Volgvan

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2 years ago

Solve x2 + 1/2x +1/16=4/9

kolezko [41]

Answer:

x = 0.417 or x = -0.917

Step-by-step explanation:

We are given the following expression and we are to solve it for the variable x:

$x ^2 + \frac { 1 } { 2 } x + \frac { 1 } { 1 6 } = \frac { 4 } { 9 }$

We will find the least common multiple of 2. 6 and 9:

$x^2 \times 144 +\frac{1}{2}x \times 144 +\frac{1}{16} \times 144 = \frac{4}{9} \times 144$

Simplifying it to get:

$144x^2+72x+9=64$

$144x^2+72x+9-64=0$

$144x^2+72x-55=0$

Using the quadratic formula to solve for x:

$x=\frac{-b \pm\sqrt{b^2-4ac} }{2a}$

$x=\frac{-72 \pm\sqrt{72^2-4(144)(-55)} }{2a}$

$x=\frac{5}{12}$ or $0.417$

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3 years ago

What is the quadratic equation to this question

-BARSIC- [3]

Answer:

f(x) = 4x − 12

Step-by-step explanation:

It's not quadratic. It's linear. Each time x increases by 1, f(x) increases by 4. So the slope is 4. The y-intercept (when x=0) is -12. The equation of the line is therefore:

f(x) = 4x − 12

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2 years ago