3 years ago

I need this for sis!:D I will give thanks!

Mathematics

1 answer:

Rzqust [24]3 years ago

7 0

I do believe that it is the second one I’m not 100% sure but I’m pretty sure it is

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matrenka [14]

Answer:

30 cm

Step-by-step explanation:

Sorry if im wrong

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3 years ago

Convert 5280 vodas to pivos. Show three significant figures for your answer.

Finger [1]

(5280 vodas) * (1/2.71828 moloko/voda) * (1/3.1416 pivo/moloko) ≈ 618 pivos

(because 5280 has 3 significant digits)

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3 years ago

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VARVARA [1.3K]

Answer:

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Step-by-step explanation:

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3 years ago

Sofia is helping set up for a wedding. There are 80 chairs that need to be arranged in a room, and 60% of those chairs are still

lions [1.4K]

48 is the answer of your mathematics question on this site/app.

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3 years ago

The equation of line r is y = -1\2x - 4. If line s runs perpendicular to line r and passes through (4, -3), what would be the eq

Scrat [10]

First off, what's the slope of "r" anyway, $\bf y=\stackrel{slope}{-\cfrac{1}{2}}x-4$ .

low and behold, since "r" is in slope-intercept form, notice, it has a slope of -1/2.

now, any line perpendicular to "r", will have a negative reciprocal slope to it, that is,

$\bf \textit{perpendicular, negative-reciprocal slope for slope}\quad -\cfrac{1}{2}\\\\
negative\implies +\cfrac{1}{{{ 2}}}\qquad reciprocal\implies + \cfrac{{{ 2}}}{1}\implies 2$

so we're really looking for a line whose slope is 2, and runs through 4,-3,

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1\\
% (a,b)
&&(~{{ 4}} &,&{{ -3}}~)
\end{array}
\\\\\\
% slope = m
slope = {{ m}}\implies 2
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-(-3)=2(x-4)\implies y+3=2x-8
\\\\\\
y=2x-11$

7 0

3 years ago