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2 years ago

7

7+2^2⋅6+2^3−6 wat dis using pedmas plz :(

1 answer:

inn [45]2 years ago

8 0

Answer:

9^-4 + 2^-3

Step-by-step explanation:

It can't be broken down anymore under the law of indices.

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7. Use the discriminant to determine the number of real solutions of the equation. 5x^2- 3x+1=0

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c. None

Step-by-step explanation:

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What is the midpoint of the line segment (-8,-7) and (-7,-8)

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3 years ago

What are the coordinates of the point on the directed line segment from (−1,−8) to (5,−2) that partitions the segment into a rat

Lana71 [14]

Answer:

There are two possible options: $P(x,y) = (1, -6)$ or $P(x,y) = (3, -4)$ .

Step-by-step explanation:

There are two possible options depending on what the point of origin is. Vectorially speaking, we can determine the coordinates of the point that partitions the segment is described below:

$P(x,y) = A(x,y) + r\cdot [B(x,y) - A(x,y)]$ (1)

Where:

$A(x,y)$ - Point of origin.

$B(x,y)$ - Point of destination.

$r$ - Partition factor.

Option 1: $A(x,y) = (-1, -8)$ , $B(x,y) = (5, -2)$ , $r = \frac{1}{3}$

$P(x,y) = (-1, - 8) + \frac{1}{3}\cdot [(5,-2)-(-1,-8)]$

$P(x,y) = (-1, -8) + \frac{1}{3}\cdot (6,6)$

$P(x,y) = (-1,-8) + (2,2)$

$P(x,y) = (1, -6)$

Option 2: $A(x,y) = (5,-2)$ , $B(x,y) = (-1,-8)$ , $r = \frac{1}{3}$

$P(x,y) = (5,-2) + \frac{1}{3}\cdot [(-1,-8)-(5,-2)]$

$P(x,y) = (5,-2) +\frac{1}{3}\cdot (-6,-6)$

$P(x,y) = (5,-2) +(-2,-2)$

$P(x,y) = (3, -4)$

There are two possible options: $P(x,y) = (1, -6)$ or $P(x,y) = (3, -4)$ .

4 0

3 years ago