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Dafna1 [17]
4 years ago
6

Which cards are decreasing in value each year?How can you tell?

Mathematics
1 answer:
Ivahew [28]4 years ago
8 0
Look at the slope in each equation.  A neg. slope indicates that the function is decreasing.  A pos. slope:  increasing.
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an employee is selected from a staff of 10 to super- vise a certain project by selecting a tag at random from a box containing 1
USPshnik [31]

Probability that the number drawn is less than 4 is given by 0.3

<h3>What is probability?</h3>

The likelihood of an event happening is gauged by probability.

The probability might be between 0 and 1, where 0 denotes an impossibility and 1 denotes a certainty.

The overall chance of every event in a sample space is 1.

Let random variable X represent the number of the drawn tag.

Since the simple space consists of 10 equally likely events

S = {1,2,3,4,5,6,7,8,9,10}

The formula for probability distribution is given by:

f(x) = { (1/10) for x = 1,2....10,    else 0 elsewhere

since, each number can equally likely occur, therefore

P(x) = 1/10 = 0.1

Probability that the number drawn is less than 4 is given by:

P(x<4) = P(1) + P(2) + P(3)

           = 0.1 + 0.1 + 0.1

           = 0.3

To know more about probability please visit:

brainly.com/question/16722133

#SPJ4

7 0
1 year ago
What is 4 times 12 (48) gets a brainliest. for fun! :D
Genrish500 [490]

Answer:

48

Step-by-step explanation:

4 times 12 can be easily written as 12 4 times!

12 + 12 + 12 + 12

12 + 12 is 24; 24 + 12 is 36; 36 + 12 is 48

Fun times :)

4 0
4 years ago
Read 2 more answers
49 Which of the following is a measure
Mariulka [41]

ok

we are ask for measuring of center

there are 3 different measures

mode, when the data value occurs the most frequently

median, is the data value in the middle of a sorted list of data

mean is the average of the numbers

so the answer is A) mean and median

4 0
2 years ago
The price of 4 hamburger is $12. What is the price of 9 hamburgers?
Sliva [168]
$27 is the price of 9 hamburgers
3 0
3 years ago
Read 2 more answers
The product of two numbers is 48. The first number is positive, and the second is four more than twice the first number. Find th
lukranit [14]
The first number is positive, so the second has to be positive too so that their product can be a positive number which is 48.
Suppose the first number is x and the second number is y.
We know that:
y = 4 + 2x (4 more meaning adding 4 to sthing and that sthing is twice x hence the 2x)
Moving on, we have x.y = 48 (we replace y by its other value that has x in it so that we have only one unknown variable that we need to find)
                        <=> x.(4 + 2x) = 48
                        <=> 4x + 2x^2 = 48
                        <=> 2x^2 + 4x - 48 = 0 (we add (-48) on both sides)
Now we have to solve the second degree equation, I don't know the exact names of things since I didn't study math in English, but we have to calculate the value of, say, b^2 - 4ac (ax^2 + bx + c)
in this case b = 4 , a = 2, c = -48
so b^2 - 4ac = 16 + 384 = 400, so the square root of that equals 20
now, we have two possible values for x, suppose x1 and x2
x1 = (-4 + 20)/2.a = (-4 + 20)/4 = 16/4 = 4
x2 =  (-4 - 20)/2.a = (-4 - 20)/4 = (-24)/4 = (-6) (which is impossible giving that the two numbers must be positive)
So x has to be equal to x1 => x = 4
We find x, and since y = 4 + 2x <=> y = 4 + 2.4 = 4 + 8 = 12
As a conclusion, x = 4 , y = 12 
6 0
3 years ago
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