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Eduardwww [97]
3 years ago
7

If you multiply the slopes of two perpendicular lines, what is the result?

Mathematics
1 answer:
rodikova [14]3 years ago
6 0

Find the gradient/slope of Line A:

(3-2)÷(-1-4)

=-0.2

Therefore, the gradient/slope of line B is 5

Using the equation y-y1=m(x-x1) we can find the equation of line B

y-7=5(x-3)

y= 5x-8

Sub in a random value for y (eg. y=2)

2=5x-8

5x=10

X=2

so (2,2)

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Question number 1 please help <br><br> The decimal one
allochka39001 [22]

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So one number between 0.65340 and 0.65345 could be

(0.65340 + 0.65345)/2 = 1.30685/2 = 0.653425

You can also compare the first several digits of the two numbers:

<u>0.6534</u>0

<u>0.6534</u>5

They both have the same digits up to the 5th digit after the decimal point. So you can get any number between them by incrementing (increasing by 1) the last digit to get e.g. 0.65341, or tack on any number of more digits to get a number larger than 0.65340, like 0.635401 or 0.63540000123, etc.

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2 years ago
Describe a real life multiplication situation for which an estimate makes sense
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4 years ago
???<br><br>a) y = 3x – 1<br><br>b) y = -2x + 1<br><br>c) g(x) = 3x + 6<br><br>​
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Please help with this question
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Answer:

C.

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After this f(x) far exceeds g(x).

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