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77julia77 [94]
3 years ago
13

An airplane flies 2520 miles in 4 hours 30 minutes what is its average speed in miles per hour?

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
7 0

Answer:

560miles/hr

Step-by-step explanation:

Check attachment

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Evaluate the expression -8x + 5 - 2x - 4 + 5x when x = 2 before and after simplifying.
Alex777 [14]

Answer:

Step-by-step explanation:

all we have to do is plug in 2 for x into the equation:

-8(2) + 5 -2(2) -4 + 5(2)

-16 + 5 -4 -4 + 10

-11 -8 + 10

-19 + 10

the answer is

-9

to simplify the equation we’ll combine like terms

-8x + 5 -2x -4 + 5x

-10x + 1 + 5x

-5x + 1

now we’ll plug in 2 for x

-5(2) + 1

-10 + 1

the answer is still

-9

5 0
3 years ago
Read 2 more answers
Turn this recurring decimal, 0.545545545, to a fraction in its lowest form.
professor190 [17]
54554/99999. I think I am right but sorry if I am wrong. 
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3 years ago
Which line is parallel to y=3x-1?
aliya0001 [1]

Answer:

any line can be parallel to that as long as the y-intercepts are different and they contain the same slope which in this case, is 3.

Step-by-step explanation:

an example would be y = 3x + 4

6 0
3 years ago
URGENT URGENT helppps plz
Murljashka [212]

Answer:

1) Bigger sector = 168.8pi

1) Smaller sector = 56.3pi

2) Bigger sector = 529.9

3) Smaller sector = 176.6

Step-by-step explanation:

1) Bigger sector =  \frac{270}{360}×pi×15×15

                          = 168.75pi

1) Smaller sector = \frac{360-270}{360}×pi×15×15

                             = \frac{90}{360}×pi×15×15

                             = 56.25pi

2) Bigger sector =  \frac{270}{360}×3.14×15×15

                           = 529.875

2) Smaller sector = \frac{360-270}{360}×3.14×15×15

                             = \frac{90}{360}×3.14×15×15

                             = 176.625

6 0
3 years ago
I need help can some plz help
enot [183]
Replace the x and y and the answer would be A
5 0
3 years ago
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