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BabaBlast [244]

3 years ago

8

jackrabbits are capable of reaching speeds up to 40 miles per hour. How fast is this in feet per second? (Round to the nearest w

hole number.)

2 answers:

S_A_V [24]3 years ago

8 0

5,280 feet = 1 mile
__ feet per second
59

Alex Ar [27]3 years ago

7 0

40 mi 1 hr 5280 ft
--------- * -------------- * ------------
hr 3600 sec 1 mi

All but "ft" and "sec" cancel out. Please reduce this expression.

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Sonbull [250]

Answer:

$\frac{1}{270}=0.00370$

Step-by-step explanation:

As the numbers are only between 1 and 30

Total number of possible combinations = 30×30×30 = 27000

If there are 100 attempts then

$\text{P (someone guesses correct)}=\frac{\text{Number of attempts}}{\text{Total number of possible combinations}}\\\Rightarrow \text{P (someone guesses correct)}=\frac{100}{27000}\\\Rightarrow \text{P (someone guesses correct)}=\frac{1}{270}=0.00370$

∴ Probability someone can guess the correct combination given 100 attempts is $\mathbf{\frac{1}{270}=0.00370}$

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GarryVolchara [31]

Answer:

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Vikki [24]

What you see in the z score table is P(z< a constant), for P( z≥ a number), subtract the probability from 1:
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A car rental company charges $31 per day to rent a particular type of car, and $0.19 per mile. Juan is charged $59.31 for a one-

snow_lady [41]

x = # of miles

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Subtract $31 from both sides

$28.31 = $0.19x

Divide both sides by $0.19

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