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Anarel [89]
3 years ago
14

Whats the equation of a line perpendicular to y= 0.25x-7 and passes through (-6,8)

Mathematics
1 answer:
-Dominant- [34]3 years ago
8 0
y - 8 = 4(x + 6)
The slope perpendicular to 1/4 or .25 is 4.
Then you would use point slope form to write the equation.
Then you could simiplify the equation to y=4x+32.
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Ray Of Light [21]

To answer this question, you should set up and equation before doing anything else. So for this question you 're going to set up two equations.

The first equation is 2x+5y=33

The second equation is 8x+3y=30

Once you do that you have to solve for either X or Y by canceling out the other one. In this problem figuring out the Y is easier because you can cancel the X's more easily than the Y. To cancel a variable, they have to add up to 0.

So to cancel the X you multiply the equation 2x+5y=33 by -4.

That gives you -8x-20y= -132

Then you set up the two equations and add them together.

(-8x-20y= -132) + (8x+3y=30)

That gives you -17y = -102

So then you solve for Y by dividing by -17. You find out that Y is equal to 6. Then you plug the 6 back into the ORIGINAL equations and solve for X, which turns out to be 1.5

Hope this helped and if you get confused or have questions please ask :)

6 0
3 years ago
The number of children playing on a playground was recorded over several days. The data was displayed in both a histogram and st
navik [9.2K]

Answer:

It is the one you have selected. "The exact number of children on the playground each day."

Step-by-step explanation:

The stem and leaf plot shows each amount of children specifically. The histogram has the ages in groups. The stem and leaf plot is more specific and shows the inside information while the histogram only shows the number of children and frequency put in groups. I also took the quiz and got this right.

Hope this helps! Make sure to give me brainiest if somebody else answers.

5 0
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the answer is -1331

     

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3 years ago
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