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siniylev [52]
3 years ago
13

Someone please help me with this

Mathematics
1 answer:
vodomira [7]3 years ago
8 0
1. Independent. 2. Dependent because the marble was not replaced. 3. However, there is a “dependency” in which that the coach determines the batting order, and there’s only so many players left on the team. So dependent because there’s only so many other players on the team that can up to the plate, similar to the marble problem. 4. Independent. 5. Dependent because there is no replacement. 6. 0.5 because there are 3 even numbers on a 6-sided die. 7. 0.5 because there are 13 clubs and 13 spades (all back) which is 26 black cards. 26 out of 52 cards in a standard deck are black. 8. 1/8 because of the chance of getting heads in one event is 1/2, in 2 events 1/4, and 3 it’s 1/8. 9. 1/6 because 4 is one number of the six-sided die.
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All of the following expressions have the same value, when x = -2 and y = 4, except _____.
Natali [406]

Answer:

-2xy

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Use set builder notation to represent the following set. {... -3, -2, -1, 0} {x | x Z, x ≤ 0} {x | x N, x ≤ 0} {x | x R, x ≤ 0}
IceJOKER [234]

Answer:

\boxed{\boxed{\left\{x\ |\ x\ \epsilon\ Z,\ x \le 0}\right\}}}

Step-by-step explanation:

Set builder notation-

It is a notation for representing a set by enumerating its elements and stating the properties that its members must satisfy.

The given set is,

\left \{.... -3, -2, -1, 0 \right \}

This set is comprised of all negative integers. So symbol Z should be used in this case.

The set builder notation for this set is,

\left\{x\ |\ x\ \epsilon\ Z,\ x \le 0}\right\}

7 0
3 years ago
I need the answer to this
adell [148]

Answer:

8 Hours

Step-by-step explanation:

Since 4 painters painting one house takes 14 hours, then one person would take 56 hours to paint the whole house. Hence, 4 x 14 = 56. If 7 people painted the house, then 8 hours would be needed since 56 / 7 = 8.

4 people x 14 hours = House

56 hours = House

56 hours is required to paint a house.

7 people x H hours=  House

7 people x H hours = 56

(7 people x H hours)/ 7 = 56 / 7

You divide 7 on both sides to isolate H on one side.

H hours = 8

So H = 8 which is the amount of hours needed.

I Hope This Helps :)

6 0
2 years ago
Simplify.
Vladimir [108]

Answer:

a. -3.78x-0.84

Step-by-step explanation:

To simplify, combine like terms. Because you're just adding them you don't have to change any signs. Add/subtract the terms with an x, that will give you your first number, then add/subtract the terms without an x to get your second number.

5 0
2 years ago
Un automovilista conduce hacia el norte durante 35.0 minutos a 23.61 m/s y ¿Cuál es su desplazamiento?
Nina [5.8K]
I don’t I thought this is math
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2 years ago
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