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nikdorinn [45]
3 years ago
7

What number is 9/21 of 1260?

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

It's 540.

Step-by-step explanation:

You divide 9 by 21 then you multiply it by 1260 and you get 540

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What is the point-slope form of a line with slope -4 that contains the point (-2, 3?
olga_2 [115]
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6 0
3 years ago
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Show all work and provide necessary descriptions
masya89 [10]

Let

P=(P_x,P_y),\quad Q=(Q_x,Q_y)

If M is the midpoint, the x and y coordinates of M are the average of the x and y coordinates of P and Q:

M=\left(\dfrac{P_x+Q_x}{2},\ \dfrac{P_y+Q_y}{2}\right)

We can solve this expression for the coordinates of Q:

M_x = \dfrac{P_x+Q_x}{2} \implies Q_x = 2M_x-P_x

M_y = \dfrac{P_y+Q_y}{2} \implies Q_y = 2M_y-P_y

Plug in the values for the coordinates of M and P to get

Q_x = 2M_x-P_x = 2\cdot 5-11 = 10-11=-1

Q_y = 2M_y-P_y = 2\cdot (-2) - (-10) = -4+10=6

5 0
3 years ago
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astra-53 [7]

Answer:

SO is this a question????????????????/

Step-by-step explanation:

This is kinda confusing :/

8 0
2 years ago
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Orlov [11]

Answer:

Y = 170, Z = 64.

Step-by-step explanation:

Since y is the external angle to x, which you got right, it is in fact, 180-10, = 170 degrees. And since z is the external to our unknown angle, that means it is equal to the sum of the other two angles in the triangle. That means z is 54 + 10, which is 64.

6 0
3 years ago
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