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Anna11 [10]
3 years ago
10

What is the equation of the line, in slope-intercept form, that passes through the point (0,7) and is perpendicular to the line

y=3x−5?
Mathematics
2 answers:
Arisa [49]3 years ago
4 0

Answer:

=12

Step-by-step explanation:


7=3(0)-5

7=-5

7+5

=12


Im pretty sure this is the answer


lara [203]3 years ago
4 0

Answer:

y=-\frac{1}{3}x+7

Step-by-step explanation:

The slope-intercept form is: y=mx+b; where <em>m </em>is the slope, and <em>b </em>is the <em>y-axis </em>interception.

So, the problem is asking for a line that it's perpendicular to y=3x-5. This perpendicular relation means that the line we have to find have an inverse and opposite slope than the given line, that's expressed like this:

m_{1}m_{2}=-1

That expression is the condition to have perpendicular lines. So, the given line has a slope of 3, now we can find the slope of the new line:

m_{1}m_{2}=-1\\m_{1}=\frac{-1}{m_{2}}=-\frac{1}{3}

Now we have the slope of the new perpendicular line, we use the point-slope formula to find its equation:

y-y_{1}=m(x-x_{1})\\ y-7=-\frac{1}{3}(x-0)\\y=-\frac{1}{3}x+7

Therefore, the slope-intercept form of the new perpendicular line is:

y=-\frac{1}{3}x+7

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Sonya and Lucas walk from school to the library they walk 5 blocks south and 4 blocks west to get to the library if the school i
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We are given coordinates of the school located at a point (9,-1).

Library is located 5 blocks south and 4 blocks west .

According to coordinate axes, south is downward and west is on left side.

So, we need to move 5 units down of 9.

<em>5 units down of 9 would be 9-5 = 4.</em>

And then <em>4 blocks west that mean -1 -4 = -5.</em>

<h3>Therefore, coordinate of the library is located at the point (4,-5).</h3>
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If nico spends $5.76 on tomatoes,how many pounds did he purchase?
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To obtain the number of pounds of tomatoes purchased :

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4 0
3 years ago
Find the product of the given complex number and its conjugate.<br> 1/5+4i
nasty-shy [4]

Answer:

-15.96

Step-by-step explanation:

A conjugate is a binomial with the sign inside changed. So the conjugate of (1/5 + 4i) is (1/5 - 4i)

Set the original and the conjugate next to each other and F.O.I.L. Multiply the first numbers of each binomial, the 1/5 and the 1/5 to get 1/25. This is the "F."

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The i squared changes into - 1. This makes the 16 negative.

Add 1/25 to - 16 to get - 15.96

4 0
3 years ago
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