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Vesna [10]
3 years ago
12

Mr. Santiago has a flight from New York to Paris that covers a distance of 3640 miles in 7 hours. If the plane travels at the sa

me speed per hour, how many miles will it have traveled after 4 hours
Mathematics
1 answer:
pentagon [3]3 years ago
6 0
He traveled 2080 miles after 4 hours. He covered 3640 miles in 7 hours with a constant speed, so we can calculate the speed: 3640/7=520 miles/hour. After 4 hours, he traveled 520*4=2080 miles.
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which equation represents a proportional relationship that has a constant of proportionality equal to ?
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Charles ran 3 miles in 15 minutes. At that rate, how long would it take him to run 8 miles?
katrin [286]
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PLS HELP ME...<br> Give five ordered pairs on the graph of y = -0.5x.
goblinko [34]

Answer:

(0,0) (-2,1) (-4,2) (-6,3) (-8,4)

Step-by-step explanation:

Hope this helps!

6 0
3 years ago
90. The number of daily evening newspapers in the United States has decreased by 46.5% to
aleksandr82 [10.1K]

Answer:

700

Step-by-step explanation:

Given:

Daily evening newspapers in 2015 = 389

Percentage decrease from 2000 to 2015 = 46.5%

To find:

Number of newspapers in 2000 = ?

Solution:

Let the number of newspapers in 2000 = x

When 46.5% of the total newspapers in 2000 (x) is subtracted from the total  newspapers in 2000 (x), it will be equal to the number of newspapers in 2015.

Making the equation as per the given statement:

x-x\times 46.5\%=389\\\Rightarrow \dfrac{100x-46.5x}{100}=389\\\Rightarrow 53.5x=38900\\\Rightarrow x\approx \bold{727}

Therefore, the answer is:

There were <em>727 </em>newspapers in 2000.

7 0
3 years ago
He can run 20 km in 95 minutes. He wants to know how many kilometers he will go if he runs at the same pace for 285 minutes.
DIA [1.3K]

Answer:

60km

Step-by-step explanation:

In 95 mins,he can run is 20km

In 1 min,he can run is 20/95

= 4/19in lowest

Now,

In 285 mins,he can run is=4/19*285

=4*15 in lowest

=60 km

3 0
3 years ago
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