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CaHeK987 [17]
2 years ago
8

The United States Capitol is located at (2, -4) on a coordinate grid. The White House is located at (-10, 16) on the same coordi

nate grid. Find two points on the straight line between the United States Capitol and the White House such that the ratio is 1:3.
Mathematics
1 answer:
scZoUnD [109]2 years ago
5 0

The two different points on a segment joining the United States Capital and the White House such that the ratio of the vector distance created by each is 1 : 3 are C1 = (-1, 7) and C2= (-7, 13)

At first we need to calculate the vector distance between  and  by following vectorial subtraction:

Where:

- Vector distance between points A and B, dimensionless.

,  - Vector distance between each point and origin, is dimensionless.

If we know that  and, then we have the following result:

AB= (-10, 16)- (2,4)

AB = (-10-2,16-4)

AB = (-12, 12)

Where:

- Segment factor, dimensionless.

- Location of resulting point, dimensionless.

There are two options for the location of the resulting point:  and. Now we proceed to find each option:

Ci -(2.4)+(-12,12)

Ci =(2,4)+ (-3,3)

C= (-1,7)

ra-3/4

Ca =(2,4)+:(-12, 12)

Ca= (2,4) + (-9,9)

Ca=(-7, 13)

In mathematics and physics, a vector is a term that colloquially refers to a quantity, or element of a vector space, a single number cannot represent that.

Learn more about vector here: brainly.com/question/25705666

#SPJ1

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An automobile manufacturer can produce up to 300 cars per day. The profit made from the sale of these vehicles can be modeled by
drek231 [11]

Answer:  175

<u>Step-by-step explanation:</u>

To find maximum, we need to find the vertex.  

The x-value of the vertex is the number of automobiles that should be made and sold.  <em>The y-value is the maximum profit.</em>

P(x) = -10x² + 3500x - 66,000

         a=-10, b = 3500, c=-66,000

x=\dfrac{-b}{2a}

x=\dfrac{-(3500)}{2(-10)}

x = \dfrac{-3500}{-20}

x = 175


<u>BONUS:</u>

The maximum profit is: P(x) = -10(175)² + 3500(175) - 66,000

                                              = -300,625 + 612,500 - 66,000

                                              = 245,875


8 0
3 years ago
When Ryan is serving at a restaurant, there is a 0.75 probability that each party will order drinks with their meal. During one
Triss [41]

Answer:

0.82 = 82% probability that at least one party will not order drinks

Step-by-step explanation:

For each party, there are only two possible outcomes. Either they will order drinks with their meal, or they will not. The probability of a party ordering drinks with their meal is independent of other parties. So the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

When Ryan is serving at a restaurant, there is a 0.75 probability that each party will order drinks with their meal.

This means that p = 0.75

During one hour, Ryan served 6 parties. Assuming that each party is equally likely to order drinks, what is the probability that at least one party will not order drinks?

6 parties, so n = 6.

Either all parties will order drinks, or at least one will not. The sum of the probabilities of these events is decimal 1. So

P(X = 6) + P(X < 6) = 1

We want P(X < 6). So

P(X < 6) = 1 - P(X = 6)

In which

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 6) = C_{6,6}.(0.75)^{6}.(0.25)^{0} = 0.18

P(X < 6) = 1 - P(X = 6) = 1 - 0.18 = 0.82

0.82 = 82% probability that at least one party will not order drinks

5 0
4 years ago
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Solve equation 1/2(4d - 2) = d + 5
kogti [31]
The answer is d=6 i can show my work in the comments if you need it
7 0
3 years ago
Read 2 more answers
You can helps me? <br>f(x) = x + 20 <br>g(x) = x + 5 <br>(f o g) (2) = ?​
pav-90 [236]
<h2>♪Answer : </h2>
  • f(x) = x + 20
  • g(x) = x + 5

»(f o g)(2)

  • find (f o g)(x)

»f(g(x))

»f(x + 5)

»x + 5 + 20

»x + 25

so, (f o g)(2) is

»2 + 25

»27✅

3 0
2 years ago
Read 2 more answers
What is the fractional equivalent of 0.2323
kicyunya [14]
Hello!

Your answer is \frac{23}{99}

If you use a calculator and divide 23 by 99, you will get 0.232323............

Answer ⇒ \frac{23}{99}
8 0
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