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xeze [42]
3 years ago
7

A spinner with equal sections labeled 1-3 is spun two times. A player wins if the sum of the spins is 4 or greater.

Mathematics
1 answer:
AleksAgata [21]3 years ago
5 0

Answer:

(1,3) ;(2, 2) ;(2, 3);(3, 1) ;(3, 2) ; (3,3)

2/3

Step-by-step explanation:

____ 1 ___ 2 ____ 3

1 ___2 ___ 3 ____ 4

|

2___3 ___ 4 _____5

|

3___4 ____5 _____6

Winning outcomes : (1,3) ;(2, 2) ;(2, 3);(3, 1) ;(3, 2) ; (3,3)

Probability that a player wins :

Required outcome / Total possible outcomes

Number of winning Outcomes = 6

Total possible outcomes = 9

Probability that a player wins = 6 / 9 = 2/3

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54 out of 90 people have a cat. What percent of people have a cat?
AveGali [126]

Answer:

60% of people have a cat.

Step-by-step explanation:

That would be 54/90 times 100%, or 60%

60% of people have a cat.

3 0
3 years ago
F(x) = 9 sin(x) + cot(x), −π ≤ x ≤ π find the interval of increase.
podryga [215]
We are given the function
F(x) = 9 sinx + cot x

We need to take the first derivative of the given function so,
F' (x) = 9 cos x - csc² x

Next, we equate the first derivative of the function to 0 and solve for the values of x
0 = 9 cos x - csc² x
Solving for x
x = 2.04

Picking out an arbitrary value between 2.04 and π, say 3 and substituting in F(x)
F(3) = 9 sin 3 + cot 3 = 19.55

Therefore, the interval where the function is increasing is from 2.04 to π
Consequently, the interval where the function is decreasing is from -π to 2.04<span />
4 0
4 years ago
106% of $ _______ = $7.95
Korolek [52]
Think of "of" as times, so you are finding out what multiplies by 106% to get 7.95.
$7.95 divided by 1.06 = $7.50
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5 0
4 years ago
Read 2 more answers
Amy has 1/2 hour to do 3 chores. She plans to spend the same fraction of an hour on each chore. She wants to use the number line
Natali5045456 [20]
Point A would be zero; Point B, the end of the 1/2-hour time interval, would be 1/2 (representing 1/2 hour).  Then Amy needs to subdivide the interval A to B into three equal time intervals and to determine the length of each of these subintervals.

I would begin with 1/2 and divide that by 3:  

1
--
2
====
   3
   --
    1

Inverting the fraction in the denom. and multiplying, we get

1      1       1
-- * ---- = -----
2      3        6

So Amy will spend 1/6 th of an hour, or 10 minutes, on each chore.

Note that 3 times 1/6 comes out to 1/2 (hour), which is were we started.

5 0
3 years ago
Is 3.4 a rational number
Alex777 [14]
3.4 is a rational number, because it is not a repeating decimal 
5 0
3 years ago
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