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solong [7]
3 years ago
7

Tell whether each set of events is independent or dependent.

Mathematics
2 answers:
Rom4ik [11]3 years ago
5 0
Hello!

Rolling a die and flipping a coin is Independent

The marble one is dependent

Hope this helps!
Alexus [3.1K]3 years ago
5 0

Two events are independent if the result of the second event is not affected by the result of the first event.

Two events are dependent if the outcome or occurrence of the first affects the outcome .

Rolling  a die and flipping a coin are Independent events.

You select one marble, do not replace it, then select another marble is dependent  event.


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Derivative of this function<br> <br>Y= -7X³ -8X² +6X +3
zaharov [31]

In general, the derivative of a single term  Ax^(n)  is  A n x^(n-1) .

And the derivative of a sum of many terms is the sum of the derivatives
of the individual terms.  

Using these two rules, the derivative (with respect to 'x') of the expression
in the question is . . .

<em>            Y' = -21x² - 16x + 6</em>


7 0
3 years ago
How to solve this problem
solmaris [256]
Absolute value because for any number given the y or answer will be no less than 0 it will.always be positive
5 0
2 years ago
What is the height, in yards, of a cylindrical water tank that holds 1,884 cubic yards of water and has a diameter of 120 feet?
mafiozo [28]

Answer:

The height of the tank is 0.5 yards.

Step-by-step explanation:

To determine what is the height, in yards, of a cylindrical water tank that holds 1,884 cubic yards of water and has a diameter of 120 feet, knowing that the volume of a cylinder is equal to pi multiplied by the radius squared, multiplied by the height, the following calculation must be done:

1 foot = 0.3333 yards

R = Diameter / 2

R = 120/2 = 60

3.14 x 60 ^ 2 x H = 1,884

3.14 x 3,600 x H = 1,884

3.14 x 1,200 x H = 1,884

3.768 x H = 1.884

H = 1,884 / 3,768

H = 0.5

Therefore, the height of the tank is 0.5 yards.

7 0
2 years ago
All the sides of a hexagon become three times the original length. find the ratio of areas of the new and old hexagons.
Anastaziya [24]
To determine the ratio, we need to know the formula of the area of an hexagon in terms of the length of its sides. We cannot directly conclude that the ratio would be 3, the same as that of the ratio of the lengths of the side, since it may be that the relationship of the area and length is not equal. The area of a hexagon is calculated by the expression:

A = (3√3/2) a^2

So, we let a1 be the length of the original hexagon and a2 be the length of the new hexagon.

A2/A1 = (3√3/2) a2^2 / (3√3/2) a1^2
A2/A1 = (a2 / a1)^2 = 3^2 = 9

Therefore, the ratio of the areas of the new and old hexagon would be 9.
7 0
3 years ago
Simplify 7x + 7 + 6x - 9.
ratelena [41]
The answer is 13x-2.
3 0
3 years ago
Read 2 more answers
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