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zzz [600]
3 years ago
15

Errol is looking for a partner to participate in a quiz competition. He is choosing from among six of his classmates. Which simu

lation can Errol use to randomly make his selection?
A.flipping a coin

B.rolling a six-sided die

C.spinning a spinner divided into twelve sections

D.picking a card from a suit of cards
Mathematics
2 answers:
Nataliya [291]3 years ago
8 0
D it would of been the easyest

Alchen [17]3 years ago
4 0

Answer: Options B and C

Step-by-step explanation: Now we have 6 possible classmates, so we need an experiment that has 6 or a multiple of 6 possible options.

The ones that meet this condition are option b:

He can assign each number from 1 to 6 to a different classmate, then he can roll the die and by looking at the number, he can choose the classmate.

Option C: will be almost the same, but now we have 12 sections, so he can assign 2 sections to each classmate, and if he rolls it and selects the section that ends facing him, the classmate assigned to that section will be the chosen one.

For the other two cases, the simulation can not be done, because a coin only has 2 options and a pick of cards has 52 options, that is not a multiple of 6

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A

Step-by-step explanation:

4 0
3 years ago
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Solve for x: -6(x + 4) + 9 > -5(x + 6)
devlian [24]

Answer:

x < 15

Step-by-step explanation:

Let's first expand the parentheses on both sides. Remember that when expanding parentheses, the result will be the sum of the products of the "outside number" with each of the "inside number".

On the left, the parenthetical expression is: -6(x + 4). Here, the outside term is -6 and the inside terms are x and 4. So:

-6(x + 4) = -6 * x + (-6) * 4 = -6x - 24

On the right, the parenthetical expression is: -5(x + 6). Here, the outside term is -5 and the inside terms are x and 6. So:

-5(x + 6) = -5 * x + (-5) * 6 = -5x - 30

Now put these back in:

-6(x + 4) + 9 > -5(x + 6)

-6x - 24 + 9 > -5x - 30

-6x - 15 > -5x - 30

x < 15

Thus the answer is x < 15.

Hope this helps!

3 0
3 years ago
hey the question is, " The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet."​
Tema [17]

Answer:

42 = <em>l</em>

21 = <em>w</em>

Step-by-step explanation:

{l = 2<em>w</em>

{126 = 2<em>w</em> + 2<em>l</em>

126 = 2<em>w</em> + 2[2<em>w</em>]

126 = 2<em>w</em> + 4<em>w</em>

126 = 6<em>w</em>

21 = w [Plug this back into both equations to get the length of 42]; 42 = <em>l</em>

I am joyous to assist you anytime.

4 0
3 years ago
SEAGULLS A biologist studying seagulls estimates that 5% of the seagulls in a flock have been banded. If 22 of the seagulls have
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Answer:

440 seagulls

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Total number of seagulls in flock = Number of seagulls have banded / Percentage of seagulls have banded

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Total number of seagulls in flock = 22 / 0.05

Total number of seagulls in flock = 440 seagulls

6 0
2 years ago
What is the range of the function f(x)=3x−1f(x)=3x-1 when the domain is {-1, 0, 1}?
Triss [41]
<span>f(x)=3x−1

</span><span>domain is {-1, 0, 1}

3(-1) -1 = -4
3(0) - 1 = -1
3(1) - 1 = 2

Range { -4,  -1,  2}</span>
4 0
3 years ago
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