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attashe74 [19]
3 years ago
10

What is the probability of drawing a spade from a standard deck of cards on a second draw given that a spade was drawn on the fi

rst draw or not replaced
Mathematics
1 answer:
Marina CMI [18]3 years ago
3 0
There are 52 cards in a deck, 13 of which are spades. If the first card drawn was a spade, and it is not replaced, then this leaves 51 cards, 12 of which are spades. Therefore the probability of the second draw being a spade is 12/51 = 4/17.
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Jack Drew 1 heart and 14 circles. What is the ratio of circles to shapes
leonid [27]
14:15 because there’s 14 circles plus one heart (14+1) and it’s circles (14) to shapes(15)
8 0
3 years ago
The measures of the angles of XYZ are in the ratio 1:4:10. What are the measures of the angles?
Elanso [62]

Answer:the angles are 12 degrees, 48 degrees and 120 degrees.

Step-by-step explanation:

The sum of the angles in a triangle is 180 degrees.

The measures of the angles of XYZ are in the ratio 1:4:10. The total ratio is the sum of the proportion of each angle. It becomes

1 + 4 + 10 = 15

Therefore, the measure of the first angle would be

1/15 × 180 = 12 degrees

Therefore, the measure of the second angle would be

4/15 × 180 = 48 degrees

Therefore, the measure of the third angle would be

10/15 × 180 = 120 degrees

6 0
3 years ago
Solve for r.<br><br> r - 4.5 ≤ 11
erma4kov [3.2K]

Answer:

The answer is r < or equal to 15.5.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
PLEASE HELP PLEASE!!!
defon

Answer:

We conclude that at x = 0 and x = -1, the value of f(x) = 2ˣ - 1 and g(x) = 1/2x is the same.

Therefore, the solution to f(x) = g(x) is:

  • x = -1
  • x - 0

Step-by-step explanation:

Given the table

x                f(x) = 2ˣ - 1                  g(x) = 1/2x

-2                  -3/4                               -1

-1                    -1/2                               -1/2

0                     0                                   0

1                       1                                   1/2

2                     3                                    1

If we carefully observe, we can determine that

at x = 0, the value of f(x) = 2ˣ - 1 and g(x) = 1/2x is the same.

In other words,

at x = 0

  • f(0) = 0
  • g(0) = 0

Thus,

at x = 0

f(x) = g(x)

Also at x = -1, the value of f(x) = 2ˣ - 1 and g(x) = 1/2x is the same.

In other words,

at x = -1

  • f(-1) = -1/2
  • g(-1) = -1/2

Thus,

at x = -1

f(x) = g(x)

Summary:

Thus, we conclude that at x = 0 and x = -1, the value of f(x) = 2ˣ - 1 and g(x) = 1/2x is the same.

Therefore, the solution to f(x) = g(x) is:

  • x = -1
  • x - 0
6 0
3 years ago
Given: ABCD is a parellelogram. Prove: AB=CD and BC=DA'
alexgriva [62]
Parallelogram opposites side theorem which states that If a quadrilateral is a parallelogram , then it’s opposite sides are congruent
5 0
4 years ago
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