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Papessa [141]
2 years ago
9

I need this today pls help me

Mathematics
1 answer:
8_murik_8 [283]2 years ago
7 0

Answer:

it’s B

Step-by-step explanation:

:)

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You roll two standard number cubes. What is the probability that the sum is odd, given than one of the number cubes shows a 1?
Virty [35]
 It's not specified whether 1 is the 1st or 2nd roll: HOWER:

The 1st Roll is "1": P(odd sum/the 1st Roll is 1)
What is the sample space of all numbers starting with "1":
{(1,1), (1,2), (1,3), (1,4), (1,5), (1,6),} = 6
the couple of add sum=(1,2), (1,4), (1,6), =3
P(odd sum/ 1st is 1) = 3/6 =1/2
or in applying the formula:

P(odd sum/the 1st Roll is 1) =P(odd sum ∩ 1) / P(getting "1") it will give the same probability = 1/2

NOW if the 2nd Roll is "1", it 's still 1/2

6 0
3 years ago
Jonathan has 1 3/4 hours to practice guitar. If he spends 1/8 hour on each song, how many songs can Jonathan practice? For how m
LiRa [457]
This should be the answers

7 0
3 years ago
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16. Find the values of x and y. (2y + 5) (5x - 17) (3x – 11)º
Iteru [2.4K]

Answer:

x = 26

y = 9

Step-by-step explanation:

(5x - 17)° + (3x - 11)° = 180° (angles in a straight line)

Solve for x

5x - 17 + 3x - 11 = 180

Collect like terms

5x + 3x - 17 - 11 = 180

8x - 28 = 180

Add 28 to both sides

8x = 180 + 28

8x = 208

Divide both sides by 8

x = 208/8

x = 26

Also:

(2y + 5)° + 90° + (3x - 11)° = 180° (angles on a straight line)

Plug in the value of x and solve for y

2y + 5 + 90 + 3(26) - 11 = 180

2y + 5 + 90 + 78 - 11 = 180

Collect like terms

2y + 162 = 180

Subtract 162 from both sides

2y = 180 - 162

2y = 18

y = 9 (dividing both sides by 2)

3 0
3 years ago
Identify the vertex, equation of the axis of symmetry, y-intercept, and zeros of the graph of a quadratic function.
love history [14]

Answer:

See below ~

Step-by-step explanation:

<u>Details of Graph</u>

  • Vertex = (2, 1)
  • Axis of symmetry : x = 2
  • Y-intercept : -3
  • Zeros : (1, 0) and (3, 0)
6 0
2 years ago
Consider that X=3/4 and y=1/2 which statement is true about X plus Y
ipn [44]

Answer:

1 and 1/4

Step-by-step explanation:

3/4 + 1/2 = 3/4 + 2/4 = 5/4 = 1 1/4

7 0
3 years ago
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