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butalik [34]
3 years ago
10

50 points!!! Need It ASAP

Mathematics
2 answers:
stira [4]3 years ago
7 0

Answer:

Last option

Step-by-step explanation:

Alex17521 [72]3 years ago
6 0

The last option :) Ask if explanation needed

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Please help I just don't get this one thank you
Ilya [14]
The answer is c  because 100/20 = meters per second
6 0
4 years ago
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Mario's Pizza delivers pizzas within a 10-mile radius of the restaurant. Their delivery times are Normally distributed with a me
ivanzaharov [21]

Answer:

a) 0.30854

b) 0.21186

c) 0.23468

Step-by-step explanation:

Mario's Pizza delivers pizzas within a 10-mile radius of the restaurant. Their delivery times are Normally distributed with a mean delivery time of 30 minutes and a standard deviation of 10 minutes.

We solve using z score formula.

z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

Find the probability that a randomly selected customer will have to wait

a) less than 25 minutes

for x < 25 minutes

z = 25 - 30/10

z = -0.5

Probability value from Z-Table:

P(x<25) = 0.30854

b) more than 38 minutes

For x > 38 minutes

z = 38 - 30/10

z = 0.8

Probability value from Z-Table:

P(x<38) = 0.78814

P(x>38) = 1 - P(x<38) = 0.21186

c) between 26 and 32 minutes

For x = 26 minutes

z = 26 - 30/10

z = -0.4

Probability value from Z-Table:

P(x = 26) = 0.34458

For x = 32 minutes

z = 32 - 30/10

z = 0.2

Probability value from Z-Table:

P(x = 32) = 0.57926

The probability that a randomly selected customer will have to wait between 26 and 32 minutes is calculated as:

P(x = 32) - P(x = 26)

= 0.57926 - 0.34458

= 0.23468

4 0
3 years ago
When driving in foggy weather driver should not their headlight
Ahat [919]

Answer:

divers shuld on their head light

7 0
3 years ago
Read 2 more answers
Sam signed up for a program that costs $12.50 per month to stream movies to her computer. She decided to cancel her service afte
weeeeeb [17]

Answer:

$7.50

Step-by-step explanation:

12.50 / 5 = 2.50

2.50  * 3 = 7.50

7 0
3 years ago
Read 2 more answers
Can someone help with #3 and show your work !!
ioda
If s represents the number of songs Kim downloads, her expenses for a month must satisfy the inequality
  5.00 + 0.58·s ≤ 13.00

To solve this, subtract 5.00 to get the s-term by itself, then divide by the coefficient of s.
  0.58·s ≤ 8.00
  s ≤ 8.00/0.58 ≈ 13.79
The number of songs must be an integer, so we conclude Kim can download 13 songs, but not 14 songs.

Kim can download 13 songs without exceeding her budget.
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3 years ago
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