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Leona [35]
3 years ago
10

Write the equation of the line that is perpendicular to the line 3x + y = 7 and passes through the point (6, -1).

Mathematics
1 answer:
ira [324]3 years ago
5 0
Line:
3x+y=7
y=-3x+7

Slope of Perpendicular Line: 1/3x

For the perpendicular line to contain point (6,-1) the y-intercept would be (0,1), thus the equation of the line would be y=1/3x+1

y=1/3x+1

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Joel earns a commission of 5% on the audio equipment he sells , and the store keeps the rest . He sells a $750 amplifier. A. How
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Answer:

Joel earns $35.00 commission and the store keeps $715.

Step-by-step explanation:

You need to figure 5% of what he sold - or 5% of $750.

Of course, you can use a calculator, or multiply $750 by .05. I prefer to think of 10 percent ($75.00) and half that to get 5%. $35.00.

Joel earns $35.00 on the sale. Not bad!

If he gets to keep $35, deduct this from the price to find out how much the store will keep.

$750 - $35 - $715.

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3 years ago
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Explain how modeling partial products can be used to find the products of greater numbers ?
liq [111]

You can break large numbers into a sum of a multiple(s) of 10 and the last digit of the number. For example, you can break 26 as 20+6, or 157 as 100+50+7.

Then, using the distributive property, you can turn the original multiplication into a sum of easier multiplications. For example, suppose we want to multiply 26 and 37. This is quite challenging to do in your mind, but you can break the numbers as we said above:

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All these multiplications are rather easy, because they either involve multiples of 10 of single-digit numbers:

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Answer:

  C)  The midpoint of the segment

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

6x - 2y = 14

subtract 6x from each side

- 2y = 14 - 6x

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