3 years ago

Write the time on the digital watch in words 21:02

Mathematics

1 answer:

olga_2 [115]3 years ago

8 0

It is two minutes past nine

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A train traveling nonstop to its destination is able to make the trip at an average speed of 70 miles per hour. On the return tr

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Answer:

Return trip travel time: 7h

Step-by-step explanation:

Let d be the distance.

Index 1 refers to initial trip, index 2 refers to the return trip.

v1=70mi/h

v2=40mi/h

t2=t1+3h, or t1=t2-3h (travel times)

d=v1×t1=v2×t2

v1×(t2-3)=v2×t2

v1 t2 -3 v1=v2 t2

v1 t2 - v2 t2=3 v1

t2(v1-v2)=3v1

t2=3v1/(v1-v2)

t2=3×70/(70-40)=3×70/30=7h

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3 years ago

Write the sentence as an equation.41 fewer than the quantity t times 307 is equal to n

Serhud [2]

The given statement is:

41 fewer than the quantity t times 307 is equal to n.

The equation is given by:

$307t-41=n$

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2 years ago

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agasfer [191]

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Step-by-step explanation:

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3 years ago

Translate this sentence into an equation.

PtichkaEL [24]

Answer:

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Step-by-step explanation:

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X= -3
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Write the time on the digital watch in words 21:02​

Write the time on the digital watch in words 21:02