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Alla [95]
3 years ago
8

A bag contains 13 cards numbered 1 through 13. A card is randomly chosen from the bag. What is the probability that the card has

a multiple of 3 on it? Write answer as a fraction
Mathematics
2 answers:
sesenic [268]3 years ago
8 0
4/13 is the answer cause it’s the answer
love history [14]3 years ago
7 0
Think of it like this, if there are 13 cards numbered 1-13 and you need to find the probability of pulling a multiple of 3.

Then start by laying out all your options.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

Then find all of the multiples of 3

3, 6, 9, 12

There are 4 multiples of 3 out of all of the cards so you have a 4 out of 13 chance to pull a card with a multiple of 3 on it.

Answer = 4/13
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Please help (geometry)
serious [3.7K]

Answer:

The statement BI = BK is true from the given information ⇒ B

Step-by-step explanation:

If a line is a perpendicular bisector of a line segment, then

  • The line intersects the line segment in 4 right angles
  • The line intersects the line segment in the mid-point of the line segment
  • Any point on the line is equidistant from the endpoints of the line segment

Let us find the true statement

∵ Line AB is the perpendicular bisector of segment IK

→ By using the 1st note above

∴ AB ⊥ IK

∴ ∠IJA, ∠KJA, ∠IJB, ∠KJB are right angles

→ By using the 2nd note above

∴ J is the mid-point of IK

∴ IJ = JK

∵ Any point on line AB is equidistant from The endpoints of IK ⇒ 3rd note

∴ AI = AK

∴ BI = BK

∴ The statement BI = BK is true from the given information

7 0
3 years ago
Are the data shown in the line plot skewed left, skewed right, or not skewed?
sineoko [7]
Is there a picture for the problem?
5 0
3 years ago
How do I show equivalence of the fractions? Do I divide, cross multiple, etc.
Likurg_2 [28]

to find the equivalence, you would usually multiply the numerator and the denominator by the same number

Examples: 1/2 1×2, 2×2 It becomes 2/4 which is equivalent to 1/2

5 0
3 years ago
Read 2 more answers
The elevation of the surface of the dead sea is _424.3 meters. in 2005 , the height of mt. everest was 8,844.43 meters. how much
Delicious77 [7]
We have the following statements:
 surface of the dead sea is 424.3 meters
 the height of mt. everest was 8,844.43 meters
 Therefore, the difference between both will be
 8844.43 - 424.3 = 8420.13 meters
 Answer
 
mt. everest was 8420.13 meters higher
5 0
3 years ago
Consider the differential equation4y'' − 4y' + y = 0; ex/2, xex/2.Verify that the functions ex/2 and xex/2 form a fundamental se
Nina [5.8K]

Step-by-step explanation:

Let y1 and y2 be (e^x)/2, and (xe^x)/2 respectively.

The Wronskian of them functions be

W = (y1y2' - y1'y2)

y1 = (e^x)/2 = y1'

y2 = (xe^x)/2

y2' = (1/2)(x + 1)e^x

W = (1/4)(x + 1)e^(2x) - (1/4)xe^(2x)

= (1/4)(x + 1 - x)e^(2x)

W = (1/4)e^(2x)

Since the Wronskian ≠ 0, we conclude that functions are linearly independent, and hence, form a set of fundamental solutions.

8 0
3 years ago
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