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ZanzabumX [31]
4 years ago
5

Which is a pair of independent events? choosing one calendar date for sports practice and then choosing a back-up date choosing

one card from a deck and then choosing one card from another deck choosing a pen to write with in class and then choosing another to let a friend use choosing a first place and then a second place work of art
Mathematics
1 answer:
ludmilkaskok [199]4 years ago
6 0

Answer:

choosing one card from a deck and then choosing one card from another deck.

Step-by-step explanation:

These two actions are independent of each other. There is the same probability of choosing a card from any of those decks.

Let's say the decks are of 52 cards for example.

If you select one from the first deck , there are still 52 cards on the second.

Having selected from one, did not affect the other.

I hope this helped. I am sorry if you get this wrong.

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Plz help I'm not the smartest when it comes to math!! Plz!! Questions shown except for 1 if you want you check want to check it
MatroZZZ [7]

WHere are the questions?

7 0
4 years ago
SURFACE AREAS - PYRAMIDS?
Bond [772]

The total surface area consists of the base area and the surface area (the area of all lateral faces). The base is a hexagon with side a=3 cm.

A_{hexagon}=6A_{triangle}=6\cdot \dfrac{1}{2} \cdot \dfrac{a^2\sqrt{3}}{4} =\dfrac{3}{4} \cdot 3^2\cdot \sqrt{3}=\dfrac{27\sqrt{3}}{4} sq. cm.

Each lateral face is an isosceles triangle with height h=12 cm and base a=3 cm. The area of one such lateral triangle is

A_{lateral}=\dfrac{1}{2}\cdot h\cdot a= \dfrac{1}{2}\cdot 12\cdot 3=18 sq. cm.

Then the total surface area is:

A_{total}= \dfrac{27\sqrt{3}}{4} +6\cdot 18=\dfrac{27\sqrt{3}}{4} +108=11.7+108=119.7 sq. cm.

Answer: 119.7 sq. cm.

7 0
4 years ago
Help please! I need to know if it’s a function or not!! Thank you!
BartSMP [9]

Answer:

The table represents a function and the slope is -1/2

Step-by-step explanation:

Here, we want to know if the given table is a function

For a relation to be a function, no two y values have same x value

however, 2 x values can have same y value

Looking at the table, we can conclude that what we have is a function

To find the slope, we select any two points and apply the slope formula

m = (y2-y1)/(x2-x1)

(x1,y1) = (6,-2)

(x2,y2) = (-2,2)

m = (2 -(-2))/(-2-6) = 4/-8 = -1/2

3 0
3 years ago
Four pounds of chicken is divided into 1/3 -pound packages. How many packages of chicken are there?
Katen [24]

Answer:12

Step-by-step explanation:

there is 4 pounds total, and each package is 1/3 a pound, so 3 packages, (1/3x3)=3 so 3 x 4 for all packges= 12. Hope this helps!

4 0
4 years ago
DOMAIN is the set of all input value while range is the set of all
kirza4 [7]
Range is the set of all output values of the dependent variables.
8 0
3 years ago
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