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Brrunno [24]
2 years ago
9

6. Which expression is equivalent to 2mm+1)+3m-2)? 2?

Mathematics
1 answer:
qaws [65]2 years ago
8 0

Answer:

4m² + 6mn - 2n²

Step-by-step explanation:

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Evaluate this expression if a = 2, b = -1 and c = 1.
labwork [276]
Substitute the values into the equation

2(2)+4(-1)-5(1)
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3 years ago
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An aeroplane takes 4 hours to travel a distance of 440 0km. Another aeroplane travels at a speed which is 100km per hour less th
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Answer:

7480 hours

Step-by-step explanation:

440 - 100 = 340

LCM of 440 and 340

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340 = 2 × 2 × 5 × 17

LCM = 2 × 2 × 2 × 5 × 11 × 17

LCM = 7480

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2 years ago
A conference room is in the shape of a rectangle. Its floor has a length of (x − 4) meters and a width of (3x − 1) meters. The e
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3x^2−13x+4

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(x−4)(3x−1)

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=3x^2−x−12x+4

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7 0
3 years ago
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If m = 28 and n = 4, what is the value of the following expression?
Serggg [28]

Answer:

d.4

Step-by-step explanation:

28−(5)(4)−4

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3 years ago
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If i have 72 blue beads and 42 red beads and i need to make necklaces for my friends and i have to use them all and all necklace
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So you do 72+42 which equals 114 which means you have 114 friends
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3 years ago
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