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2 years ago

A plane travels at a constant speed. It takes 7 hours to travel 3,780 miles. What is the plane’s speed in miles per hour.

Mathematics

1 answer:

tia_tia [17]2 years ago

4 0

Answer:

540 mph

Step-by-step explanation:

3780/7 = 540 mph

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2. 3m - 9n = 24 solve for m<br>

PIT_PIT [208]

Answer:

m=8+3n

Step-by-step explanation:

Move all terms that don't contain m to the right side and solve.

Hope this helps <3

5 0

2 years ago

One number added to three times another number is 24. Five times the first number added to three times to other number is 36. Fi

Marrrta [24]

The numbers are 3 and 7

Step-by-step explanation:

Let the first number be x and the second number be y

Then according to given statement

One number added to three times another number is 24

x+3y=24 Eqn 1

Five times the first number added to three times to other number is 36

5x+3y=36 Eqn 2

Subtracting Equation 1 from equation 2

$5x+3y-(x+3y)=36-24\\5x+3y-x-3y=12\\4x=12$

Dividing both sides by 4

$\frac{4x}{4}=\frac{12}{4}\\x=3$

Putting x=3 in equation 1

$3+3y=24\\3y=24-3\\3y=21$

Dividing both sides by 3

$\frac{3y}{3} = \frac{21}{3}\\y=7$

Hence,

The numbers are 3 and 7

Keywords: Linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago

The earth is about 150 million kilometers from the sun. The orbit around the sun is not a perfect circle, but is approximately a

goldfiish [28.3K]

Answer:

x² + y² = (150,000,000)² is the answer

Step-by-step explanation:

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2 years ago

What reasonable estimate of 288

blagie [28]

The reasonable estimate of 288 can be 300 because it's close to 300

4 0

2 years ago

Read 2 more answers

The high temperature in Bradford last year was 87.4°F, while the low temperature was 17.9°F below zero. What was the range of te

SVEN [57.7K]

Answer:

52.7 degrees fahrenheit

Step-by-step explanation:

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2 years ago