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gizmo_the_mogwai [7]
2 years ago
8

Eliot needs to replace a window that is in the shape of a semicircle.

Mathematics
1 answer:
USPshnik [31]2 years ago
6 0

Answer:

7

\/

/

/

/

/

/

/

/

////

Step-by-step explanation:

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The time at which the mailman delivers the mail to ace bike shop follows a normal distribution with mean 2:00 pm and standard de
ivolga24 [154]

There are three questions related to this problem.


First, the probability of the mail will arrive after 2:30 PM


<span>Find the z-score of 2:30 which is 30 minutes after 2:00.</span>

<span>
z(2:30) = (2:30 – 2:00)/15 = -30/15 = -2</span>

<span>
P(x < 2:30) = P(z<-2) = 0.0228</span>

<span>
</span>

Second, the probability of the mail will arrive at 1:36 PM

<span>Find the z-score of 1:36 which is 24 minutes before 2:00.</span>

<span>
z(1:36) = (1:36 – 2:00)/15 = -24/15 = -1.6</span>

<span>
P(x < 1:36) = P(z<-1.6) = 0.0548</span>

 

Lastly, the probability of the mail will arrive between 1:48 PM and 2:09 PM


Find the z-score of 1:46 and 2:09 PM which will result to a z value of 0.034599


<span>P(1:48 < x < 2:09) = P(z<0.034599) = 0.5138</span>

4 0
2 years ago
Which input value produces the same output value for the two functions on the graph?
Darya [45]
<h3>Answer:</h3>

x = -2

<h3>Explanation:</h3>

The line represents the output value (y) for a given input value (x). Where the lines cross, the output values are equal. These lines cross at x=-2.

4 0
2 years ago
Read 2 more answers
Farmer Jack needs 1,800 square feet of garden space to have enough corn for a year. His garden space is currently 10 5⁄6 feet by
Alja [10]
5/6 can be simplified to 0.83. 10.83*18=194.94 square feet. 1,800 minus 194.94 is 1605.06 more square feet required
6 0
2 years ago
The aquarium has 10 more red fish than blue fish. 60 percent of the fish are red. How many blue fish are in the aquarium?
guajiro [1.7K]

Answer:

20 blue fish

Step-by-step explanation:

Number of blue fish = x

Number of red fish = x+10

Red fish = 60% of total = 0.6

Total fish = x+x+10 = 2x+10

0.6 = (x+10)/(2x+10)

Solve for x:

1.2x+6 = x+10

0.2x = 4

x = 20

Hope this helps!

Mark as brainliest :))

7 0
2 years ago
Read 2 more answers
Aro diagrams his river rafting trip, estimating the time it will take him to paddle upstream against the current, and then back
eduard

Answer:

Upstream

5.2=(x-y)5

Downstream

5.2=(x+y)2.5

Step-by-step explanation:

4 0
2 years ago
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