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stealth61 [152]
2 years ago
6

Speed, Time, and Di 1 a. An airplane flies with a constant speed of 640 miles per hour. How far can it travel in 2 1/2 hours​

Mathematics
1 answer:
Ganezh [65]2 years ago
5 0

Answer:

Step-by-step explanation:

2½ hours × 640 miles/hour = 2½×640 miles = 1,600 miles

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By switching service providers , a family's telephone bill decreased from about $ 50 a month to about 44 . What was the percent
anyanavicka [17]

Answer:

12% decrease

Step-by-step explanation:

50 - 44 = 6

6/50 = 0.12 or 12% decrease

6 0
3 years ago
Which phrase represents' the sum of 11 and a number
denis23 [38]

Answer:

11 + n

Step-by-step explanation:

sum means addition, so u need a + sign

n is usually the variable used for 'a number'

so 11 and (+) a number (n) = 11+ n

hope this helps!

5 0
2 years ago
A rectangular prism has a length of 12 inches, a width of 5 inches, and a height of 4 1/4 inches.
Darya [45]

Answer:

130.56

Step-by-step explanation:

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brainliest plz

5 0
2 years ago
Which of the following ratios would form a proportion with 4/5?
BabaBlast [244]

Answer:

Can you explain clearer?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Marguerite is building a box from strips of wood. She needs 78 pieces of wood that are each 29 cantimeters long. The wood comes
Anarel [89]
She will need 3.77 pieces of wood because 1 piece is 6m which is 600 cm and she need 78 pieces of 29 cm so 78*29=2262 then you divide the by 600 and that gives you 3.77 so she realy need 4 sorry i f i got it wrong. 


the answer either 3.77

or 4 
7 0
3 years ago
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