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Yuliya22 [10]
2 years ago
11

1. Some roads in Poland have a speed limit of 140 km/h. How fast is this in miles per minute?

Mathematics
2 answers:
Y_Kistochka [10]2 years ago
8 0
I only know number one here you goSolution
Conversion for Km to Miles
1km = 0.621 miles

Conversion Hours to minutes
1 hr = 60 mins

solve
140 (0.621 miles / 60 mins )
= 140 (0.01035 miles/min)
= 1.449 miles/min
Evgen [1.6K]2 years ago
4 0
1. 140km/1hour | 140(0.621mi/60min) = <span>0.01035 miles/min

2. </span>320,000Riels/1month divided by $4,000/1month = $80/month times 12 months/1year =$960/1 year

3. 180,000euros/1year times $1.36/1year = $244,800/1year divided 365days/1year = about $670.68/1 day

4. 3oz/1day times 7days/1week = 21oz/1week divided by 16oz/1week = <span>1.3125lbs/1week

6. </span>120km/1hour times 1000m/60minutes = 120,000m/60minutes divided each side by 60 = 2,000m/1minute times 3.28084feet/60seconds = 6561.68/60seconds divided by 60/60 = <span>about 109.36 feet/1 second

7. </span>500inches/1year times 2.54cm/1year = 1270/1year divided by 365days/1year = <span>about 3.48 cm/1 day


Sorry for being a year late.....
</span>

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If the standard deviation of an exam is 5, the z-score us 1.95 and the mean is 80; what is the actual test score? (Round the ans
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<h3>How to solve z-score problems?</h3>

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You buy items costing $1900 and finance the cost with a fixed installment loan for 24 months at 8% simple interest per year.
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9514 1404 393

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