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Mademuasel [1]
3 years ago
13

Use the graph to estimate the value of y when x = 2.5

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

f

Step-by-step explanation:

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A pack of six cans of coffee cost 12$ . How much would 15 cans of coffee cost
Vera_Pavlovna [14]
$30 because 12/6 = 2 so 15 x 2 = 30
4 0
3 years ago
There are 23 people in this class. what is the probability that at least 2 of the people in the class share the same birthday? s
BlackZzzverrR [31]
23/2 = 0.08
0.08 = 8/100 or 8%
4 0
3 years ago
PLEASE HELP ME FAST I'LL MARK BRAINEIST
Leona [35]

Answer:

Part A is 2/9 of the whole

Part B is 7/9 of the whole

5 0
3 years ago
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BlackZzzverrR [31]

Answer:

look at the pictures

Step-by-step explanation:

7 0
2 years ago
Each morning, Hungry Harry eats some eggs. On any given morning, the number of eggs he eats is equally likely to be 1, 2, 3, 4,
mamaluj [8]

Answer:

Mean = 35

Variance = 291.7

Step-by-step explanation:

Data provided in the question:

X : 1, 2, 3, 4, 5, 6

All the data are independent

Thus,

The mean for this case will be given as:

Mean, E[X] = \frac{\textup{Sum of all the observations}}{\textup{Total number of observations}}

or

 E[X] = \frac{\textup{1+2+3+4+5+6}}{\textup{6}}

or

E[X] = 3.5

For 10 days, Mean = 3.5 × 10 = 35

And,

variance = E[X²] - ( E[X] )²

Now, for this case of independent value,

E[X²] = \frac{1^2+2^2+3^2+4^2+5^2+6^2}{\textup{6}}

or

E[X²] = \frac{1+4+9+16+25+36}{\textup{6}}

or

E[X²] = \frac{91}{\textup{6}}

or

E[X²] = 15.167

Therefore,

variance = E[X²] - ( E[X] )²

or

variance = 15.167 - 3.5²

or

Variance = 2.917

For 10 days = Variance × Days²

= 2.917 × 10²

= 291.7

3 0
3 years ago
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