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3 years ago

**PLEASE HELP!!*

Mathematics

2 answers:

LekaFEV [45]3 years ago

7 0

Answer:

n 3 is the correct answer okay

Ne4ueva [31]3 years ago

5 0

Answer:

6n-3........

Step-by-step explanation:

this is answer

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Solve the equation using the quadratic formula. X^2-9x+3=0

Nesterboy [21]

Answer:

The answer is x= $\frac{9+\sqrt{69}}{2}$ , x= $\frac{9-\sqrt{69}}{2}$

Step-by-step explanation:

x^2=a

-9x=b

3=c

Plug into formula.

Equation: $\frac{9+-\sqrt{(-9)^2-4(1)(3)}}{2}$

Simplify the equation.

Equation: $\frac{9+-\sqrt{81-12}}{2}$

Subtract 81 and 12.

Equation: $\frac{9+-\sqrt{69}}{2}$

Spit into two equations

Equation 1: $\frac{9+\sqrt{69}}{2}$

Equation 2: $\frac{9-\sqrt{69}}{2}$

Hope this helps!

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3 years ago

Hello,if anyone would help me,I would really much appreciate it. I’ve a little stressed about it.Thank you!

ira [324]

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3 years ago

From 12 teachers to 48 teachers

viktelen [127]

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4 years ago

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Find the equation of the line that passes through the point (-3,-6) and is parallel to the line y=-4/3x+7/3

Rufina [12.5K]

Answer: The answer is y=-4/3x-10.

Step-by-step explanation:

-6=-4/3(-3)+b

-6=4+b

-4 -4

-10=b

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3 years ago

The amount of kerosene, in thousands of liters, in a tank at the beginning of any day is a random amount Y from which a random a

Tems11 [23]

Find the marginal density for $Y$ by integrating the joint PDF over all possible values of $x$ :

$f_Y(y)=\displaystyle\int_{-\infty}^\infty f_{X,Y}(x,y)\,\mathrm dx=\int_0^y2\,\mathrm dx$

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Then the density of $X$ conditioned on $Y$ is

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for $0$ and undefined elsewhere.

Thus

$P(0.25$

= = =

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4 years ago