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Nutka1998 [239]

3 years ago

7

FREE POINTS AND MYBE A BRAINLIEST JUST ONE QUESTION ARE YOU TIRED OF ASKING SONE QUESTIONS NO ONE ANSWERS AND THEN YOU CAN'T GET

YOUR POINTS BACK BECAUSE I AM

2 answers:

natka813 [3]3 years ago

3 0

Answer:

Yes totally friend, I totally hear you on that!! ^-^ Good luck for your weekend!!!

Step-by-step explanation:

sdas [7]3 years ago

3 0

Answer:

yeah

sorry, i probably shouldn't be saying this, but you can also use quizlet or coursehero for homework help

:)

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What is an equation of the line perpendicular to y=-x-2 and through (-2, 4)?

Salsk061 [2.6K]

Answer: y = x + 6

Step-by-step explanation:

$\mathrm{Find\:the\:line\:}\mathbf{y=mx+b}\mathrm{\:perpendicular\:to\:}y=-x-2\mathrm{\:that\:passes\:through\:}\left(-2,\:4\right)$

$\mathrm{For\:a\:line\:equation\:for\:the\:form\:of\:}\mathbf{y=mx+b}\mathrm{,\:the\:slope\:is\:}\mathbf{m}$

$m=-1$

$\mathrm{The\:perpendicular\:slope\:is\:the\:negative\:reciprocal\:of\:the\:given\:slope}$

$\left(-1\right)m_p=-1$

$\frac{\left(-1\right)m_p}{-1}=\frac{-1}{-1}$

$m_p=1$

$\mathrm{Compute\:the\:line\:equation\:}\mathbf{y=mx+b}\mathrm{\:for\:slope\:m=}1\mathrm{\:and\:passing\:through\:}\left(-2,\:4\right)$ $\mathrm{Plug\:the\:slope\:}1\mathrm{\:into\:}y=mx+b$

$y=x+b$

$\mathrm{Plug\:in\:}\left(-2,\:4\right)\mathrm{:\:}\quad \:x=-2,\:y=4$

$4=\left(-2\right)+b$

$-2+b=4$

$\mathrm{Add\:}2\mathrm{\:to\:both\:sides}$

$-2+b+2=4+2$

$\text{Simplify}$

$b=6$

$\mathrm{Construct\:the\:line\:equation\:}\mathbf{y=mx+b}\mathrm{\:where\:}\mathbf{m}=1\mathrm{\:and\:}\mathbf{b}=6$

$y=x+6$

3 0

3 years ago

15 points why are you poop

AlladinOne [14]

Am poop cuz cool no cap that is the best thing to buy it cuz ur a pic plz cuz ur a vid and it cant be a problem plz fix this tho plz fix this plz plz ttttttttttttttt

6 0

4 years ago

Read 2 more answers

Guys help please again

Svetradugi [14.3K]

Answer:

I would choose B but I'm not sure.

Step-by-step explanation:

3 0

4 years ago

For the function y=3x, what is the output when the input is -4?

denpristay [2]

Answer:

x is the input, y is the output

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with th

Travka [436]

Answer:

D

Step-by-step explanation:

Direct Variation takes the form $A = kB$

Inverse Variation takes the form $A=k(\frac{1}{B})$

Where A and B are the 2 variables associated and k is the proportionality constant.

<em>Since </em><em>number of dolls [N] </em><em>varies </em><em>directly </em><em>with </em><em>advertising budget [A],</em><em> in our equation, </em><em>A should go in the numerator</em><em> and since </em><em>number of dolls [N] </em><em>varies </em><em>inversely</em><em> with </em><em>price of dolls [P]</em><em>, </em><em>P should go in the denominator.</em>

Thus we can write our equation as:

$N=k(\frac{A}{P})$

Solving this equation for k given the information "The company sold 5200 dolls when $26,000 was spent on advertising and the price of a doll was set at $30":

$N=k(\frac{A}{P})\\5200=k(\frac{26,000}{30})\\5200=k(866.67)\\k=\frac{5200}{866.67}=5.99$

Rounding $k=5.99$ to $k=6$

Now, given that we want to find the number of dolls [N] when $A=52,000$ and $P=30$ , we have:

$N=(6)(\frac{52,000}{30})\\N=10,400$ dolls

Answer choice D is correct.

7 0

3 years ago

Read 2 more answers