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PtichkaEL [24]
2 years ago
6

How to find displacement from velocity.

Mathematics
1 answer:
Ipatiy [6.2K]2 years ago
5 0

Answer:

  • <em>The average velocity of the object is multiplied by the time traveled to find the displacement. The equation x = ½( v + u)t can be manipulated, as shown below, to find any one of the four values if the other three are known.</em>

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Which line is a directrix of the hyperbola? A B C D
hoa [83]

Answer:

The hyperbola has two directrices, one for each side of the figure. You can see the hyperbola as two parabolas in one equation. So, as parabolas have directrix, hyperbolas does too.

The directrices are perpendicular to the major axis. That means if the parabolla is horizontal, then its directrices are vertical, and viceversa.

Therefore, to find the right line that forms the directrix of a hyperbola, you just need to use the directrix that is perpendicular to the major axis.

3 0
2 years ago
Which is equivalent to 16 3/4x ?
aliya0001 [1]
The answer

the question is not very clear, 
its complement may be <span>Which is equivalent to 16 ^ 3/4x?

-4√16^3x
-4√16^3
-3√16^4x
-3√16^4

perhaps the </span>16 3/4x should be written as [16 ^ 3] / 4x, or 16 ^  (3 / 4x)  
or - [16 ^  (3 / 4)]  x 

If the question is [16 ^ 3] / 4x, then none of the choices is equivalent to this
if the question is 16 ^  (3 / 4x), it is equivalent to 4x-th root of 16^3

so if the question is - [16 ^  (3 / 4)]  x 
so - [16 ^  (3 / 4)]  x  =( - 4√16^3)x  it is 4th root of 16^3 times x

so the choice is -4√16^3x

6 0
3 years ago
Read 2 more answers
A corporation must appoint a​ president, chief executive officer​ (CEO), chief operating officer​ (COO), and chief financial off
Yakvenalex [24]

Answer:

a) The officers can be appointed in 24024 different ways.

b) The committee can be appointed in 1001 different ways.

c) 1.1% probability of randomly selecting the committee members and getting the three youngest of the qualified​ candidates

Step-by-step explanation:

The order in which the officers are appointed is important(the first is the president, second the CEO and so on...). So the permutations formula will be used.

Otherwise, in the committee there are no roles, so the order is not important. So the combinations formula will be used.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

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

Combinations formula:

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)!}

A. How many different ways can the officers be ​appointed?

4 from a set of 14, with roles. So a permutation.

P_{(14,4)} = \frac{14!}{(14-4)!} = 24024

The officers can be appointed in 24024 different ways.

B. How many different ways can the committee be​ appointed?

4 from a set of 14, without roles. So combination

C_{14,4} = \frac{14!}{4!(14-4)!} = 1001

The committee can be appointed in 1001 different ways.

C. What is the probability of randomly selecting the committee members and getting the three youngest of the qualified​ candidates?

A probability is the number of desired outcomes divided by the number of total outcomes.

Desired outcomes.

The three youngest(1 combination), and one of the other 14-3 = 11. So D = 1*11 = 11

Total outcomes:

From B., 1001, so T = 1001

Probability:

p = \frac{D}{T} = \frac{11}{1001} = 0.011

1.1% probability of randomly selecting the committee members and getting the three youngest of the qualified​ candidates

8 0
3 years ago
What is true about an equation with infinite solutions?
Tamiku [17]

When both sides of the equation are simplified, the coefficients are the same.

Step-by-step explanation:

An equation has infinite solutions when both sides of the equation are simplified, the coefficients are the same

5 0
2 years ago
The following recipe serves 6 people tell how much of each ingredient you need to serve nine people then tell how much of each i
Paladinen [302]
9=5 3/4 cups of flour, 10 T butter, 3 eggs, and 3 cups of cocoa 3=1 3/4 cups of flour, 3 1/3 T butter, and 2/3 cups of cocoa I am sorry if I did anything wrong. I tried.
4 0
3 years ago
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