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svlad2 [7]
3 years ago
14

The average speed of a plane is 320 miles per hour. How far does the plane travel in 12 hours.

Mathematics
2 answers:
salantis [7]3 years ago
6 0

Answer:

3840 Miles per hour

Step-by-step explanation:

Since the plane is going 320 miles per hour we just need to multiply by 12 which is 3840.

vodomira [7]3 years ago
3 0

Answer:

3,840 miles

Step-by-step explanation:

In order to find the answer to our question, lets break it down:

The Unit rate for this problem is as follows:

\frac{320 miles}{1 hour} = \frac{x}{12hours}

With the unit rate in mind, we can solve for our problem:

320*12 = 3,840

To check and make sure our answer is indeed correct, then we would write an equation to see if it simplifies to our unit rate:

\frac{3840miles}{12 hours} / 12 = \frac{320miles}{1hour}

I am happy to help with any questions you might have in the future and I will continue to work hard to provide the brainliest answers :) Hope this helps!

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this is correct answer thank you

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(a + b - c )(a + b + c )
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a^2+b^2-c^2+2ab

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The sum of five consecutive multiples of 4 is 20.Find the smallest integer.
Aloiza [94]

Answer:

The smallest integer is -4.

Step-by-step explanation:

Let the smallest integer be x.

Since the integers are all multiples of 4, they are

=> x, x+4, x+8, x+12 and x+16

=> x + x+4 + x+8 + x+12 + x+16 = 20

=> 5x + 40 = 20

Subtract 40 from both sides of the equation

5x +40 - 40 = 20 - 40

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Divide both sides by the coefficient of x(which is 5)

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Hope this helps!!!

6 0
3 years ago
FASTTTTTTTTT PPPPPPPPPPPPPPLLLLLLLLLLLLLLLLZZZZZZZZZZZZZZZ
Deffense [45]

Answer:

(a) B

(b) $2

Step-by-step explanation:

(a) Let's say the cost of a ticket is t and the cost of popcorn is p. Then we can write the two equations from the table:

12t + 8p = 184

9t + 6p = 138

We need to solve this, so let's use elimination. Multiply the first equation by 3 and the second equation by 4:

3 * (12t + 8p = 184)

4 * (9t + 6p = 138)

We get:

36t + 24p = 552

36t + 24p = 552

Subtract the second from the first:

    36t + 24p = 552

-    36t + 24p = 552

________________

       0 = 0

Since we get down to 0 = 0, which is always true, we know that we cannot determine the cost of each ticket because there is more than one solution (infinitely many, actually). The answer is B.

(b) Our equation from this, if we still use t and p, is:

5t + 4p = 82

Now, just choose any of the two equations from above. Let's just pick 9t + 6p = 138. Now, we have the system:

5t + 4p = 82

9t + 6p = 138

To solve, let's use elimination again. Multiply the first equation by 6 and the second one by 4:

6 * (5t + 4p = 82)

4 * (9t + 6p = 138)

We get:

30t + 24p = 492

36t + 24p = 552

Subtract the second from the first:

    36t + 24p = 552

-    30t + 24p = 492

________________

      6t + 0p = 60

So, t = 60/6 = $10. Plug this back into any of the equations to solve for p:

5t + 4p = 82

5 * 10 + 4p = 82

50 + 4p = 82

4p = 32

p = 32/4 = $8

So the ticket costs 10 - 8 = $2 more dollars than the popcorn.

5 0
3 years ago
Read 2 more answers
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