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2 years ago

Pleaseeeeee help me out

Mathematics

2 answers:

JulijaS [17]2 years ago

8 0

The slope would be 2/5!

I hope this helped! Mark me Brainliest! :) -Raven❤️

djverab [1.8K]2 years ago

5 0

Answer:

2/5

Step-by-step explanation:

Use the following formula to find slope:

$m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

Looking at the graph, two points are obvious: the origin (0,0) and the dot (5,2). Plug in these points into the equation.

$m=\frac{2-0}{5-0}\\m=\frac{2}{5}$

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Does anyone know this and if it is extraneous or not?

Anna11 [10]

Addd 4 to both sides
$\sqrt{x+9}=5$
sqare both sides
x+9=25
minus 9 both sides
x=16

plug it in for x and see
$\sqrt{16+9}-4=1$
$\sqrt{25}-4=1$
$5-4=1$
1=1
true

not extraneous
an extraneous root would be x=-34

5 0

3 years ago

Find the value of x if DE is the midsegment of triangle ABC and

Varvara68 [4.7K]

Answer

Find out the value of x.

To prove

Definition of mid- segment

It is a segment connecting the midpoints of two sides of a triangle.

It is always parallel to the third side, and the length of the midsegment is half the length of the third side.

As shown in the triangle given below.

As given

DE = 5x and BC = 11x – 15

Thus

$DE = \frac{BC}{2}$

$5x = \frac{11x-15}{2}$

$5x\times 2 = 11x-15$

$10x = 11x-15$

15 = 11x - 10x

15 = x

Therefore the value of x is 15 .

8 0

2 years ago

What is the surface area of a sphere with radius 4?

mario62 [17]

Answer: 64 units

Step-by-step explanation:

Remember, the formula to find surface area given radius is $4\pi r^2$ . Let's add in the given information:

4pi4^2 =

4pi16

64pi!

Hope this helps, please consider making me Brainliest.

5 0

1 year ago

Which of the following is not an expression

7nadin3 [17]

Correct me if I’m wrong but I believe it is C

4 0

2 years ago

Read 2 more answers

The quantities x and y are proportional. Find the constant of proportionality r in the equation y = rx

ELEN [110]

Answer:

r = 7

Step-by-step explanation:

To solve this, we can plug in a pair of x and y values and solve for r.

y = rx | Plug in a pair

42 = r*6 | Now divide both sides by 6

7 = r.

We can test this by plugging in r with a pair.

y = (7)x

77 = 7*11, 77 = 77, This equation is correct.

7 0

2 years ago

Read 2 more answers