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Virty [35]
3 years ago
11

Multiply (-3x4y3z)(-4x2y3z).​

Mathematics
2 answers:
Svetach [21]3 years ago
7 0

Answer:

12x6y6z2

Step-by-step explanation:

Multiply (–3x4y3z)(–4x2y3z). = 12x6y6z2

goldfiish [28.3K]3 years ago
4 0

Answer:

12x^{6} y^{6} z^{2}

Step-by-step explanation:

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Monica [59]
Here we want to find the equation of the line containing the median CP.

P, being the midpoint of AB can be found using the midpoint formula as:

\displaystyle{ P=( \frac{-4+4}{2} ,  \frac{-2+4}{2} )=(0, 1).


The slope m of the line through CP can be found by the slope formula using points C(18, -8) and P(0, 1):

\displaystyle{ m= \frac{y_2-y_1}{x_2-x_1}= \frac{-8-1}{18-0}= \frac{-9}{18}= \frac{-1}{2}.


Now, we can write the equation of the line with slope -1/2, passing through
P(0, 1):

y-1= \frac{-1}{2}(x-0)\\\\y= -\frac{1}{2}x+1.


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4 years ago
Find b, given that a = 20, angle A = 30°, and angle B = 45° in triangle ABC
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<span>The side b is opposite to the angle B, applying the law of the sines, we have:

</span>\frac{a}{sinA} = \frac{b}{sinB}
\frac{20}{sin30^0} = \frac{b}{sin45^0}
\frac{20}{ \frac{1}{2} } = \frac{b}{ \frac{ \sqrt{2} }{2} }
20* \frac{ \sqrt{2} }{2}  = b* \frac{1}{2}
\frac{20 \sqrt{2} }{2} = \frac{b}{2}
2*b =2*20 \sqrt{2}
2b = 40 \sqrt{2}
b =  \frac{40 \sqrt{2} }{2}
\boxed{b = 20 \sqrt{2} }
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Step-by-step explanation:

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Fofino [41]

Answer:

4x+8

Step-by-step explanation:

X + 3( x + 2) + 2

Distribute

x +3x+6+2

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x^2-16

Step-by-step explanation:

Foil Method

(x*x+4x-4x-16)

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