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4 years ago

14

How to identify the radius if given in diameter and how to identify the diameter if given in radius

1 answer:

spayn [35]4 years ago

3 0

Answer:

radius = diameter/2

Step-by-step explanation:

look it up

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Solve for s.<br> 8-45 5+13

Bess [88]

where is the s in here though

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3 years ago

One bag of pretzels cost three dollars. Five bags of pretzels cost $10. Which has the lower unit price?

pentagon [3]

Answer:

The 5 for $10 because its 2 dollars for a bag while the first is 3 dollars for a bag

Step-by-step explanation:

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3 years ago

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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:

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

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

$m=-1$

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

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

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

$m_p=1$

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

$y=x+b$

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

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

$-2+b=4$

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

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

$\text{Simplify}$

$b=6$

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

$y=x+6$

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3 years ago

If the plane intersects the cylinder horizontally, the cross section

mrs_skeptik [129]

Did you finish this question? I feel like you're missing something.

5 0

3 years ago

Can yall help me with this, please? its on scientific notation

wel

Answer:

easy

Step-by-step explanation:

2.67 * 10^-4

2.36 * 10^11

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3 years ago

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