3 years ago

Carlisle purchased one-fourth of a pound of candy at the mall. what decimal did he see on the scale

Mathematics

2 answers:

Yuri [45]3 years ago

6 0

0.25000
..........
..........

Dmitry_Shevchenko [17]3 years ago

4 0

Answer: 0.25

Step-by-step explanation: 1 divided by 4 is 0.25

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Pergunta 5 You need to fill a football with air to play with it. You know that your pump expels air at speed of 8.2 ft/s. The ne

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2 years ago

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Schach [20]

Answer:

A) 90.32%

B) 90.11%

C) 81.546 miles per hour

D)77.93%

Step-by-step explanation:

Given data:

speed = 73.7 miles/hour

standard deviation = 4.77 miles /hour

a) $P(X< 80) = P(z< \frac{80 - 73.7}{4.77}$

= P (z< 1.31)

= 0.90320 = 90.32%

b) $P(60 < X< 80) = P(\frac{60 - 73.7}{4.77} < z< \frac{80 - 73.7}{4.77})$

= P (-2.872< z< 1.31)

= P (z<1.31) - P(z<-2.87)

= 0.90320 - 0.00205

= 0.90115 = 90.11%

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z = 1.645

$\frac{x - 73.7}{4.77} = 1.645$

x = 81.546 miles per hour

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= P (z> -0.775)

= 0. 0.7793 = 77.93%

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3 years ago