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3 years ago

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PLEASE HELP!!!

1 answer:

maw [93]3 years ago

7 0

ppefef ew fewgwsdd gbresgwe

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17. Write the equation of a line that is perpendicular to the given line and that passes through the given point.

nataly862011 [7]

$\text{Let}\ k:y=m_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\\text{We have the line in point-slope form:}\\\\y-y_1=m(x-x_1)\\\\m-slope\\\\y-2=\dfrac{7}{3}(x+5)\to m_1=\dfrac{7}{3}\\\\\text{therefore}\ m_2=-\dfrac{1}{\frac{7}{3}}=-\dfrac{3}{7}.\\\\\text{We have the slope}\ m=-\dfrac{3}{7}\ \text{and the point}\ (-4,\ 9).\ \text{Substitute:}\\\\y-9=-\dfrac{3}{7}(x-4))\\\\\boxed{y-9=-\dfrac{3}{7}(x+4)}$

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3 years ago

What is the distance between point A and point C?

love history [14]

Answer:where's the question

Explanation:(pls dont report me as soon as u show me the question i will edit my answer and answer correctly)

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3 years ago

Which of the following functions is graphed below ?

omeli [17]

<h3>Answer:</h3>

See the attachment

<h3>Step-by-step explanation:</h3>

The solid dot on the right-hand portion of the curve means the function is defined for x ≥ 2. Choices A and C have that condition.

The function is linear for x ≥ 2, so matches selection C, not A.

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3 years ago

What is -8(2-3w)-5<br><br> Please explain!

MArishka [77]

Answer:

24w - 21

Step-by-step explanation:

-8(2 - 3w) - 5

We first expand the -8

-16 + 24w - 5

We then add -16 to -5

-16 + -5

= -21

We get the 24w, put in in the equation and get 24w - 21

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3 years ago

Read 2 more answers

the weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Solnce55 [7]

The object would be 45.64 g

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4 years ago