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3 years ago

9

Alicia bought a notebook and several erasers at the student store. The graph shows the relationship between the total cost of he

r items and the number of erasers she purchased.
What is the cost of each eraser?

1 answer:

Nonamiya [84]3 years ago

6 0

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Simplify the expression 7(9+2)

Schach [20]

Answer: 77

Step-by-step explanation: Based on the order of operations or PEMDAS, parentheses are always done first.

So our first step in this problem is to simplify (9 + 2) to get 11.

So we now have (7) (11) which is 77.

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4 years ago

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kati45 [8]

Answer:

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3 years ago

Suppose a basketball player has made 184 out of 329 free throws. If the player make the next two free throws, I will pay you $24

Marta_Voda [28]

Given that the player made 184 out of 329 throws, the probability of making the next throw will be:
P(x)=[Number of shots made]/[Total number of throws]
=184/329
=0.559
Thus the expected value of proposition will be:
0.599*24+0.559*12
=20.134

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3 years ago

A circus acrobat is shot out of a cannon. The equation for the acrobat's pathway can be modeled by h= -16t^2+25. How long will i

Alex_Xolod [135]

For this we almost have the following equation:
$h = -16t ^ 2 + 25
$
We must match the equation to zero:
$-16t ^ 2 + 25 = 0
$
From here, we clear the value of t.
We have then:
$16t ^ 2 = 25

t ^ 2 = 25/16$
We discard the negative root because we are looking for time:
$t = \sqrt{ \frac{25}{16} } 

$
$t = \frac{5}{4}$
Answer:
it will take him to reach the ground about:
$t = \frac{5}{4}$ seconds

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3 years ago

What is another example for data on a statistical question

svet-max [94.6K]

Answer: A statistical question anticipates variability in the response and can be answered by collecting data.

Step-by-step explanation:

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3 years ago