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Effectus [21]
2 years ago
8

Please help me asap with explanation please ​

Mathematics
2 answers:
expeople1 [14]2 years ago
8 0

Answer:

\sqrt{5 \times 5 \times 2 \times  {x}^{2}  \times  {y}^{2}  \times y}  =  \\ 5xy \sqrt{2 \times y}

Andrej [43]2 years ago
3 0

Answer:

B

Step-by-step explanation:

I can't really show my work here, sorry. I hope this helped some though. Look at an app called photo math it can show you the steps and explain the problem.

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find the equation of the perpendicular bisector of the line segment joining the points (3,8) and (-5,6).​
IgorLugansk [536]

Answer:

y = - 4x + 3

Step-by-step explanation:

The perpendicular bisector is positioned at the midpoint of AB at right angles.

We require to find the midpoint and slope m of AB

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = A(3, 8) and (x₂, y₂ ) = B(- 5, 6)

m = \frac{6-8}{-5-3} = \frac{-2}{-8} = \frac{1}{4}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{\frac{1}{4} } = - 4

mid point  = [0.5(x₁ + x₂ ), 0.5(y₁ + y₂ ) ]

Using the coordinates of A and B, then

midpoint AB = [0.5(3 - 5), 0.5(8 + 6) ] = (- 1, 7 )

Equation of perpendicular in slope- intercept form

y = mx + c ( m is the slope and c the y- intercept )

with m = - 4

y = - 4x + c ← is the partial equation

To find c substitute (- 1, 7) into the partial equation

Using (- 1, 7), then

7 = 4 + c ⇒ c = 7 - 4 = 3

y = - 4x + 3 ← equation of perpendicular bisector

3 0
3 years ago
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Find the length of x
miskamm [114]
I think it’d be 2 but I’m not really sure
7 0
3 years ago
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What is the area of a triangle with vertices at (0,-2),(8,-2), and (9,1)
AVprozaik [17]
36 there you go I hope you understand

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F(x) = 2x^2 - 3x + 1
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Answer:

The graph looks like a U

Step-by-step explanation:

6 0
2 years ago
The sum of a number and 8 is no more than the square of the difference of the number and 4. Which of the following inequalities
Lady bird [3.3K]

Answer:

x + 8 ≤ (x − 4)2

Step-by-step explanation:

Let the number be x,

The sum of the number and 8 is

(x + 8)

The square of the difference of the number and 4 is

(x - 4) {}^{2}  

Hence the inequality is

(x + 8) \leqslant (x - 4) {}^{2}

6 0
3 years ago
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