find the distance between the pair of points. ( square root 5, square root 2) and -3 square root 5, 5 square root 2)

1 answer:

7 0

Use the distance formula

d = sqrt ((y2-y1)^2 + (x2-x1)^2))

= sqrt ( (5 sqrt2 - sqrt2)^2 + ( -3sqrt5 - sqrt5)^2)

= sqrt [( 4sqrt2)^2 + (4sqrt5)^2]

= sqrt (32 + 16*5) = sqrt 112 = sqrt16 * sqrt7 = 4 sqrt7

The answer is 4 sqrt7

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Plz help me with this plz

const2013 [10]

Answer:

Slope: $-\frac{3}{4}$

Y intercept: 7

Equation: $y=-\frac{3}{4}x+7$

Step-by-step explanation:

The slope is found by doing the equation $\frac{rise}{run}$ . When looking at the first two points, it's shown that the rise (difference between the two y values) is -3 (since it decreased by 3) and the run (difference between the two x values) is 4 (since it increased by 4).

This gives us a slope of $-\frac{3}{4}$ .

The y intercept is found by looking at the y value when x = 0. In this picture, it is clear that it is 7.

The equation you want to use is y = mx + b , where b is the y intercept and m is the slope. Just plug in the numbers and you got your equation!

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Solve the inequality:<br><br> 2x + 3 > -11

Kruka [31]

Answer:

x > − 7

Step-by-step explanation:

hope this helps