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Katarina [22]
2 years ago
9

Perpendicular to the line x - 5y = 9; containing the point (2, 4)

Mathematics
1 answer:
dezoksy [38]2 years ago
6 0

Answer:

y=-5x+14

Step-by-step explanation:

x-5y=9

x-9=5y

y=\frac{1}{5}x-\frac{9}{5}

The slope for this line is: 1/5

The product of the slopes of any two perpendicular lines equals -1.

So the slope for the perpendicular line will be -5.

The point-slope formula=

Given slope m and a point on the line: (X, Y), the equation of the line will be:

y-Y=m(x-X)

So the equation for the perpendicular should be:

y-4=(-5)(x-2)

Simplify:

y-4=-5x+10

y=-5x+14

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½ is the same as 0.5 and the ratio of _____.
Crazy boy [7]
1:2

Similar to the 1/2 fraction, 1:2 is a simplified ratio of a half.
6 0
3 years ago
You decided to throw a fair die four times.
Finger [1]

Answer:

If all you care about is whether you roll 2 or not, you get a Binomial distribution with an individual success probability 1/6. The probability of rolling 2 at least two times, is the same as the probability of not rolling 2 at zero or one time.

the answer is, 1 - bin(k=0, n=4, r=1/6) - bin(k=1, n=4, r=1/6). This evaluates to about 13%, just like your result (you just computed all three outcomes satisfying the proposition rather than the two that didn’t).

Step-by-step explanation:

7 0
2 years ago
Writing equations in standard form:
d1i1m1o1n [39]
You have already done half of it. Now substitute for x1 = 4 and y = 5
y - 5 = 6/7(x - 4)
Multiply everything by 7 to remove fractions
7y - 35 = 6(x - 4)
7y - 35 = 6x - 24
-6x + 7y = -24 + 35
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Some people prefer a positive number in front of x so multiply by -1
6x - 7y = -11

You can check the answer by testing it works for both of the original points
6x4 - 7x5 = 24 - 35 = -11 true
6x-3 - 7x-1 = -18 - -7 = -11 true
3 0
2 years ago
Line l is parallel to line e in the figure below.
yulyashka [42]
After the 2 angles the third and fifth line are great
3 0
3 years ago
Read 2 more answers
I really need help with this can someone please help me with these questions thanks
ehidna [41]
See the attachment for answers and solving.

8 0
3 years ago
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