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yawa3891 [41]
2 years ago
6

3

Mathematics
1 answer:
Alex787 [66]2 years ago
6 0

Answer:

the answer is A. sorry for dirty handwriting

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If an airplane was going 900 km/h and it traveled 675,000 m how long did it take to get to it's destination?
Juli2301 [7.4K]
The answer: Time= Distance divide Speed.
Speed= 675,000 divide 900= 750 minutes. Convert that to hours and that leaves you with 12 hours and a half. If these questions are bothering you, just revise them- they’re speed distance time equations and i’d be blessed if they come up in my maths exam tomorrow.
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A triangle has a perimeter of 51 cm. If the three sides of the triangle are n, 4n-4, and 4n-8, what is the length of each side?
True [87]

Answer:

see below

Step-by-step explanation:

The three sides add to 51

n      +    4n-4    +   4n-8   = 51

9n -12 = 51

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n = 7        4n-4 = 24      4n-8 = 20  

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4 years ago
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5х2 +х — 9 – х2 + 5х – 4<br> Simplified
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Answer:

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Step-by-step explanation:

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