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Oduvanchick [21]
3 years ago
6

What is negative 2 times nine

Mathematics
2 answers:
emmainna [20.7K]3 years ago
8 0
-18
try it on mentally or calcular hope its useful
MrMuchimi3 years ago
5 0
-18 because a negative number times positive is  negative.
~JZ
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One of the legs of a right triangle measures 12 cm and the other leg measures 9 cm.
PolarNik [594]

Answer:

15cm

Step-by-step explanation:

a^2+b^2=c^2

12^2+9^2=c^2

144+81=c^2

c^2=225

c=15

7 0
2 years ago
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Please help<br><br>Point____is plotted at -4/5​
musickatia [10]

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C

Step-by-step explanation:

-4/5 is -0.8, which is at point C

plz brainliestt

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A computer fan's speed rises as the computer heats up. Based on the table, what is MOST LIKELY the fan's speed at 7 minutes?
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7 0
2 years ago
Find the coordinates of P so that P partitions AB in the ratio 3:4 with A(-9,-9) and B(5,-2).
ivolga24 [154]

The coordinates of point P are (-3 , -6)

Step-by-step explanation:

If point (x , y) partitions line AB where A = (x_{1},y_{1}) and B = (x_{2},y_{2})

at a ratio m_{1}:m_{2} from A then:

1. x=\frac{x_{1}m_{2}+x_{2}m_{1}}{m_{1}+m_{2}}

2. y=\frac{y_{1}m_{2}+y_{2}m_{1}}{m_{1}+m_{2}}

∵ P partitions AB in the ratio 3 : 4

∴ m_{1}:m_{2} = 3 : 4

∵ A = (-9 , -9) and B = (5 , -2)

- Substitute the coordinates of points A and B in the rules above

∵ x=\frac{(-9)(4)+(5)(3)}{3+4}

∴ x=\frac{-36+15}{7}

∴ x=\frac{-21}{7}

∴ x = -3

The x-coordinate of P is -3

∵ y=\frac{(-9)(4)+(-2)(3)}{3+4}

∴ y=\frac{-36+(-6)}{7}

∴ y=\frac{-42}{7}

∴ y = -6

The y-coordinate of P is -6

The coordinates of point P are (-3 , -6)

Learn more:

You can learn more about the mid-point of a segment in brainly.com/question/5223123

#LearnwithBrainly

5 0
3 years ago
What is the domain of 2x+5
Oksi-84 [34.3K]
The domain is "x", because that is what you input

hope this helps
3 0
2 years ago
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