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tankabanditka [31]
1 year ago
13

I need a detailed explanation

Mathematics
1 answer:
elixir [45]1 year ago
5 0

The equation of the line in <em>explicit</em> form is y = - 2 · x + 5, whose <em>implicit</em> form is 2 · x + y = 5. (Correct choice: D)

<h3>How to find the equation of the line for the height of a triangle</h3>

In this question we must find the equation of the line perpendicular to the segment BC and that goes through the point A(x, y) = (1, 3). First, the slope of the <em>line</em> segment BC is:

m = [1 - (- 3)]/[5 - (- 3)]

m = 4/8

m = 1/2

And the slope of the line is:

m' = - 1/(1/2) = - 2

The intercept of the line is found by using the <em>explicit</em> form of equation of the line, m' = - 2 and (x, y) = (1, 3):

3 = - 2 · 1 + b

b = 5

The equation of the line in <em>explicit</em> form is y = - 2 · x + 5, whose <em>implicit</em> form is 2 · x + y = 5. (Correct choice: D)

To learn more on line equations: brainly.com/question/2564656

#SPJ1

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Find the missing probability.
Westkost [7]

The value of the missing probability is:

P(A) = 1/5

So the correct option is D.

<h3>How to find the missing probability?</h3>

First, we know that:

P(A∩B) = probability that events A and B are true = 3/100

And we also know that:

P(B|A) = probability that event B is true given that event A is true = 3/20

Here we have the rule:

P(A∩B) = P(B|A)*P(A)

Replacing the first two:

3/100 = (3/20)*P(A)

Solving for P(A), we get:

(3/100)*(20/3) = 1/5 = P(A).

So we conclude that the correct option for the missing probability is the one in option D.

If you want to learn more about probability:

brainly.com/question/25870256

#SPJ1

4 0
2 years ago
One pound of beef costs $4.25. One pound of turkey cost $2.85. How much more does 1.25 pounds of the beef cost than 1.25 pounds
BigorU [14]

Answer: $1.75

Step-by-step explanation:

Increase 1.25 by 4.25

5.31

Presently increase 1.25 by 2.85

3.56

Take away 3.56 from 5.31

1.75

6 0
2 years ago
Read 2 more answers
#WHOLELOTTARED(pls help me)
Vanyuwa [196]

Answer:

17: B 18: C

Step-by-step explanation:

I hope I helped.

5 0
3 years ago
Read 2 more answers
What are 2 numbers that adds to 9 and multiplies to 14?
Anettt [7]
The answer is 7 and 2
4 0
3 years ago
The annual membership fee at a local club is $100. After each year of membership, the fee is lowered by $8 a year. The
Mila [183]

Answer:

y = 100 - 8(n - 1)

Step-by-step explanation:

I. if n = 1 or 1st year = 100 - 8(1-1) is 100

  if n = 2 or 2nd year = 100 - 8(2-1) is 92

  if n = 3 or 3rd year = 100 -8(3-1) is 84

Hope it'll help.

3 0
3 years ago
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