<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B7%7D" id="TexFormula1" title="\frac{4}{7}" alt="\frac{4}{7}" align="absmiddle

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Aleks04 [339]

2 years ago

" class="latex-formula"> divided by $\frac{7}{2}$

Mathematics

2 answers:

Daniel [21]2 years ago

5 0

Answer:

$8/49$

Step-by-step explanation:

iVinArrow [24]2 years ago

3 0

Answer:

Step-by-step explanation:

$\frac{4}{7}$ ÷ $\frac{7}{2}$

= $\frac{4}{7}$ × $\frac{7}{2}$ (7 cancelled with 7)

=4/2=2

I hope it will help

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Solving quadratic equations with complex solutions x2 + 4x + 8 = 0.

Daniel [21]

Answer:

$\large\boxed{x=-2\pm2i}$

Step-by-step explanation:

$x^2+4x+8=0\qquad\text{subtract 8 from both sides}\\\\x^2+4x+8-8=0-8\\\\x^2+2(x)(2)=-8\qquad\text{add}\ 2^2\ \text{to both sides}\\\\x^2+2(x)(2)+2^2=-8+2^2\qquad\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\(x+2)^2=-8+4\\\\(x+2)^2=-4\iff x+2=\pm\sqrt{-4}\\\\x+2=\pm\sqrt{(4)(-1)}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\x+2=\pm\sqrt4\cdot\sqrt{-1}\qquad\text{use}\ \sqrt{-1}=i\\\\x+2=\pm2\cdot i\qquad\text{subtract 2 from both sides}\\\\x=-2\pm2i$

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2 years ago

What does -4(-8x-8) equal?

slavikrds [6]

Answer:

Lets break it down

( -8 x -8 ) = 64, because a negative x negative always equals a positive

-4 x 64 = -256, because a negative x positive always equals a negative

Your answer is -256.

I hope this helps!

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8 0

3 years ago

I NEED HELP WITH thiss

Ainat [17]

X=8 is the Answer. So the equation would be <span>-8+4(1+5 times 8 )=156 </span>

6 0

3 years ago

The functions f (x) = 1/2x-3 and g(x) = -2x+ 2 intersect<br> at x = -2. True or false?

Norma-Jean [14]

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Answer:

False

Step-by-step explanation:

f(-2) = (1/2)(-2) -3 = -1 -3 = -4

g(-2) = -2(-2) +2 = 4 +2 = 6

The function values are not the same at x=-2, so the graphs do not intersect there.

The graphs intersect at x=2.

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2 years ago

If the frequencies of all possible outcomes of an event are the same the distribution is

marusya05 [52]

1. D
2. C
3. B
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6. D

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2 years ago