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ddd [48]
3 years ago
13

What two number multiple to get -72 and add up to -6

Mathematics
1 answer:
hammer [34]3 years ago
7 0

Answer:

6 and -12

Step-by-step explanation:

6×-12=-72

6+(-12)=-6

×^2 -6x-72=0

(x+6) (x-12)

x^2-6x-72=(x+6) (X-12)

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Multiply 25 by the difference of 34.78 and 12.99.
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Alicia can paint a small room 21 hours faster than Nina aloneness 4 hours slower than Alicia and Nina together. How long will it
Alexeev081 [22]

Answer:

11.413 Hours.

Step-by-step explanation:

Alicia can paint a house in 21 hours; Which means in 1 hour she can paint 1/24 of the house.

Nina can paint the same house in (21+4)  hours. Which means in 1 hour she can paint 1/25 of the house.

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3 years ago
Two buses leave a station at the same time and travel in opposite directions. One bus travels 14 kmh slower than the other. If t
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Answer:

106 km / hour

Step-by-step explanation:

Givens

Total time: 6 hours

Total distance: 1356 km

First bus rate: r

Second bus rate: r - 14

Formula

d = r * t

Solution

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r = 1272/12                              

r = 106 km/hr

4 0
3 years ago
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Answer:

Step-by-step explanation:

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3 0
4 years ago
The lines shown below are parallel. if the green line has a slope of -1/11, what is the slope of the red line?
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Lines are parallel so they have same slopes
<span> if the green line has a slope of -1/11, the slope of the red line is also -1/11
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