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3 years ago

You roll a fair 6- sided die.What is P (roll less than 4)

Mathematics

1 answer:

Blababa [14]3 years ago

6 0

Answer:

The probability is 1/2 or 50%

Step-by-step explanation:

P(roll less than 4) = Probability of rolling less than 4

There are 3 numbers that are less than 4.

1, 2, 3, 4, 5, 6.

There is a total of 6 sides.

So,

3/6 simplified to 1/2 or 50%

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15PTS QUICK

lana66690 [7]

Answer:

Option B

40x + 50y = 130

5x - 4y = 16

Option C

20x + 25y = 65

-20x + 16y = 64

Step-by-step explanation:

we have

$4x+5y=13$ ----> equation a

$10x-8y=-32$ ----> equation b

we know that

If two system of equations are equivalent, then their solution is the same

Part 1)

step 1

Multiply by 10 equation a both sides

$10(4x+5y)=10(13)$

$40x+50y=130$ ----> equation a'

step 2

Divide by 2 equation b both sides

$(1/2)(10x-8y)=(1/2)(-32)$

$5x-4y=-16$ ----> equation b'

The system of equations a and b and the system of equations a' and b' are equivalent

therefore

The system of equations a' and b' have the same solution as the given system

Part 2)

step 1

Multiply by 5 equation a both sides

$5(4x+5y)=5(13)$

$20x+25y=65$ ----> equation a'

step 2

Multiply by -2 equation b both sides

$-2(10x-8y)=-2(-32)$

$-20x+16y=64$ ----> equation b'

The system of equations a and b and the system of equations a' and b' are equivalent

therefore

The system of equations a' and b' have the same solution as the given system

6 0

3 years ago

I really need help I’ve worked it out already though

Vikki [24]

<h2>Answer:</h2><h3>75(5r)+75(3d)+75(4f)</h3>

Solution,

Cost of roses in 1 bouquet=5r

Cost of daisies in 1 bouquet=3d

cost of green filler in 1 bouquet=4f

Total no. of bouquet=75

cost of one bouquet=5r+3d+4f

total=75(5r+3d+4f)

 =75(5r)+75(3d)+75(4f)

hope it helps

Good luck on your assignment

8 0

3 years ago

2.06 , 2.6 , 2.9 from smallest to largest

ale4655 [162]

Answer:

2.06 is smallest ans 2.9 is largest

7 0

3 years ago

Pls help thank you 168 = -84n

Ghella [55]

Answer:

n = -2

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Zoe Had A Board 5 And 1/4 Feet Long. She Cut Off A Piece. Now The Board Is 3 And 5/6 Feet Long. How Long Was The Piece She Cut O

Sergio039 [100]

Well first you need to find the LCM (least common multiple) of 4 and 6 (the denominators) so that you can subtract them from each other.

4: 4,8,12,16,20
6: 6, 12, 18, 24
The LCM is 12.

Now we can subtract the two mixed numbers by turning them into improper fractions.

5 3/12 -> 27/12
3 10/12 -> 42/12

42-27=15

The fraction is 15/12, which simplifies into 1 1/4.

She cut off 1 1/4 feet of the board.

5 0

3 years ago