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sladkih [1.3K]
3 years ago
15

Write the indicated event in set notation.When four coins are tossed, the first three tosses come up the same.[Hint: when four c

oins are tossed, the following 16 outcomes are possible:HHHH HHHT HHTH HHTTHTHH HTHT HTTH HTTTTHHH THHT THTH THTTTTHH TTHT TTTH TTTT ]a. (HHH, TTT) b. (HHHT, TTTH) c. (HHHT, TTTH, HTTT, THHH) d. (HHHH, HHHT, TTTH, TTTT)
Mathematics
1 answer:
artcher [175]3 years ago
8 0

Answer:

Outcomes = \{HHHH, HHHT,TTTH, TTTT\}

Step-by-step explanation:

Given

S = \{HHHH, HHHT, HHTH, HHTT,HTHH, HTHT, HTTH, HTTT, THHH, THHT,

THTH, THTT,TTHH, TTHT, TTTH, TTTT\}

Required

The outcomes where the first three tosses are the same

To do this, we list out the outcomes that the first three are HHH or TTT.

So, we have:

Outcomes = \{HHHH, HHHT,TTTH, TTTT\}

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Solve the system of equation 2x + y = -4 and 5x – 3y = 1 by the method of elimination​
Radda [10]

Step-by-step explanation:

first step while implementing the elimination method is to look at the numbers which can be multiplied to which in order to have like terms as solved below

as you can see in equation number 2 that the number three can be multiplied with equation 1 in order to have like terms so you can cancel them out

so , multiply 3 with the whole of equation 1

3( 2x + y = -4 )

= 6x + 3y = -12

( keep in mind the sign of the number)

5x -3 y = 1

now ,

we have

6x + 3y = -12

5x -3y = 1

as you can see that now we have like terms and when we add both these equations the like terms cancel out each other as they have opposite signs ( + - gives you - )

so , once you add the like terms this is what you will get

6x + 5x +3y-3y -12+1

= 11x + 0 - 11

then you can simplify this further for x first

11x = 11

x = 11/11

<u>x </u><u>=</u><u> </u><u>1</u>

now we have the value of x let's simply further for y

let's take equation 2

5(1) - 3y =1

5 -3y = 1

5-1 = 3y

4 = 3y

<u>4</u><u>/</u><u>3</u><u> </u><u>=</u><u> </u><u>y </u>

to confirm your values you can put these values in one of the two equations given initially , let's use equation two to check .

5x-3y = 1

( now let's place the values of x and y into the equation and see if our answer is 1 )

5 (1) - 3 (4/3)

= 5 - 4

= 1

it is correct

7 0
3 years ago
Factor the greatest common binomial factor from each polynomial
sladkih [1.3K]
Answer:
(5x-1)(6x^2+1)

Solution:
6x^2(5x-1)+5x-1
=30x^3-6x^2+5x-1
=(30x^3-6x^2) + (5x-1)
=6x^2(5x-1)+(5x-1)
=(5x-1)(6x^2+1)

HOPE THIS HELPS!
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2 years ago
Which set of ordered pairs represents y as a function of x?
il63 [147K]

Answer:

C.

Step-by-step explanation:

The set of ordered pairs can only be a function if the x value is not repeated .Thus,only C is a function as the x values (-1,4,1,-3) are unique while the other options have a repetition of its certain x values.

I hope ive helped

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8× what =2
sergejj [24]

Answer:

8*1/4= 2

A) 0.071

B) 0.48

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3 years ago
What is the solution to 0.3(12x - 16) = 0.4(12 - 3x)?
telo118 [61]

Step-by-step explanation:

The solution is one-solution

.3(12x-16)=.4(12-3x) (you do the distributive property)

3.6x-4.8=4.8-.12x (you add 1.2 to both sides)

3.6x-3.6=4.8 (You add 3.6 to both sides)

3.6x=8.4 ( You divide 3.6 both numbers)

x=0.4285...

Its a one-solution

5 0
3 years ago
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