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vazorg [7]
2 years ago
14

A cargo ship left port A and is headed across the ocean to shipping port B. After one month, the ship stopped at a refueling sta

tion along a path described by a vector with components LeftAngleBracket 14, 23 RightAngleBracket. After another month, on the same path, the ship reached port B, twice the distance from port A as the fueling station.
What are the characteristics of the vector representing the path of the ship?

components:LeftAngleBracket 7, 11.5 RightAngleBracket, magnitude: 13.46
components:LeftAngleBracket 7, 11.5 RightAngleBracket, magnitude: 53.85
components:LeftAngleBracket 28, 46 RightAngleBracket, magnitude: 13.46
components:LeftAngleBracket 28, 46 RightAngleBracket, magnitude: 53.85
Mathematics
2 answers:
Sergeu [11.5K]2 years ago
8 0

Answer:

D

Step-by-step explanation:

Edge 2020

Yuri [45]2 years ago
8 0

Answer:

d

Step-by-step explanation:

You might be interested in
A salesman normally makes a sale​ (closes) on ​% of his presentations. Assuming the presentations are​ independent, find the pro
Tamiku [17]

Answer:

(a)\ 0.0864

(b)\ 0.096

(c)\ 0.24

(d)\ 0.936

Step-by-step explanation:

Given

p \to close

q \to fail to close

p = 60\%

p = 0.60

First, calculate the value of q

Using complement rule

q = 1 - p

q = 1 - 0.60

q = 0.40

So, we have:

p = 0.60 and q = 0.40

Solving (a): Fails to close on the 4th attempt

This means that he closes the first three attempts. The event is represented as: p p p q

So, we have:

Pr = p*p*p*q

Pr = p^3*q

Pr = 0.60^3*0.40

Pr = 0.0864

Solving (b): He closes for the first time on the 3rd attempt

This means that he fails to close the first two attempts. The event is represented as: q q p

So, we have:

Pr = q * q * p

Pr = q^2 * p

Pr = 0.40^2 * 0.60

Pr = 0.096

Solving (c): First he closes is his 2nd attempt

This means that he fails to close the first. The event is represented as: q p

So, we have:

Pr = q * p

Pr = 0.40 * 0.60

Pr = 0.24

Solving (d): The first he close is one of his 3 attempts

To do this, we make use of complement rule

The event that he does not close any of his first three attempts is: q q q

The probability is:

Pr = q*q*q

Pr = q^3

The opposite is that the first he closes is one of the first three

So, we have:

Pr' = 1- Pr --- complement rule

Pr' = 1- q^3

Pr' = 1- 0.40^3

Pr' = 1- 0.064

Pr' = 0.936

4 0
2 years ago
jack puts 1/3 pound of birdseed into his feeder every time he fills it. how many can jack fill his bird feeder with 4 pounds of
Flura [38]

Answer: Jack can fill his feeder 12 times with 4 pounds of birdseed.

Step-by-step explanation:

You need to analize the information given in the exercise, You know that every time Jack fills the feeder, he put \frac{1}{3} pounds into it.

Then, in order to solve this exercise, let "x" represents the number of times that Jack can fill his  feeder with 4 pounds of birdseed.

Keeping on mind the data provided in the exercise, you can set up de following proportion:

\frac{1}{\frac{1}{3}} = \frac{x}{4}

Finally, you must solve for "x" in order to find its value.

You get that this  is:

3= \frac{x}{4}\\\\(3)(4)=x\\\\x=12

Therefore, you can conclude that Jack can fill his feeder 12 times with 4 pounds of birdseed.

4 0
2 years ago
21. Given directed line segment WV , find the coordinates of R
Jobisdone [24]

Answer:

R\left(\frac {4x_1+3x_2}{7} , \frac {4y_1+3y_2}{7}\right)

Step-by-step explanation:

Let the coordinate of the points W, V and R are (x_1,y_1), (x_2,y_2), and (x_s,y_s)respectively.

The coordinate of the section point, (x_s,y_s), which divides the line joining the two points (x_1,y_1) and (x_2,y_2) in the ration m:n is

x_s=\frac {nx_1+mx_2}{m+n} and

y_s=\frac {ny_1+my_2}{m+n}.

The given ration is, m:n=3:4

R(x_s,y_s)=R\left(\frac {nx_1+mx_2}{m+n} , \frac {ny_1+my_2}{m+n}\right)

=R\left(\frac {4x_1+3x_2}{7} , \frac {4y_1+3y_2}{7}\right).

The exact point can be determined by putting the value of the exact coordinate in the above-obtained formula.

6 0
2 years ago
There are 12 inches in 1 foot and 5,280 feet in 1 mile. Is Elena ran 2-1/2 miles how many inches is that ?
puteri [66]

Answer:

158400 inches is 2 1/2 miles

Step-by-step explanation:

2.5* 5280 because 2.5 miles is 13200 feet.

13200*12 because 13200 feet is 158400 inches.

The answer would be 158400 inches.

Please mark as brainliest! Hope this helps! If you need anymore help just ask! :D

4 0
2 years ago
Read 2 more answers
This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the t
LuckyWell [14K]
Isosollese triangle has 2 equal sides that are longer than legnth of base
perimiter=15.7
equation is 2a+b=15.7
so if the longer side is 6.3, wat is legnth of base
we know that identical sides are bigger so 6.3 is one of the identical sides
2a means the 2 idneical sides
2(6.3)+b=15.7
12.6+b=15.7
subtract 12.6 from btohs ides
b=3.1
answer is base=3.1 cm
8 0
2 years ago
Read 2 more answers
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