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3 years ago

What map symbol is associated with most of northern africa

Chemistry

2 answers:

pishuonlain [190]3 years ago

7 0

From another answer, it is most likely E. Horizon. Hope this helps!

DiKsa [7]3 years ago

6 0

it should be Bsh. If not im sorry. Hope i helped.

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Which gas makes your voice deeper or has the opposite effect on you than helium when you inhale it.

slega [8]

The correct answer is Sulfur Hexafluoride
it’s an inert gas that is known to be six times heavier than the air we breathe. While Helium being lighter makes our voice higher, SF6 makes our voice deeper. The sound travels slower in denser gases which is why our voice will come out deeper and rather slow.

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3 years ago

What are the two halves of the brain

ch4aika [34]

Answer: left and right hemisphere ya

Explanation:

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3 years ago

What type of extinguisher will extinguish a class a, b or c fire?

RUDIKE [14]

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4 years ago

Which statement describes a numerical result with good precision?

Hatshy [7]

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3 years ago

A car traveling at a constant speed travels 175 miles in four hours. How many minutes will it take for the car to travel 1000 fe

elena-14-01-66 [18.8K]

It takes 0.26 minutes to travel 1000 feet

Solution:

Given that car traveling at a constant speed travels 175 miles in four hours

Distance = 175 miles

Time taken = 4 hours

Convert the units to feet and minute

Given that,

1 mile = 5280 feet

175 miles = 5280 x 175 feet = 918720 feet

Also we know that,

1 hour = 60 minutes

4 hours = 60 x 4 minutes = 240 minutes

Thus, we got,

Distance = 918720 feet

Time taken = 240 minutes

Find the speed of car

Speed is given by formula:

$speed = \frac{distance}{time}$

$speed = \frac{918720}{240} = 3828$

Thus speed of car is 3828 feet per minute

How many minutes will it take for the car to travel 1000 feet?

Let "x" be the minutes needed for 1000 feet

speed of car is 3828 feet per minute

1 minute = 3828 feet

x minute = 1000 feet

This forms a proportion. We can solve by cross multiplying

$x \times 3828 = 1000 \times 1\\\\x = \frac{1000}{3828}\\\\x = 0.26$

Thus it takes 0.26 minutes to travel 1000 feet

7 0

3 years ago