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3 years ago

Whats 2 plus two? fvhjgyffjfhfhfhkfkhfhgfhgkhkhfhgfhghkgkhgfgkhfhgkffkhfhkg

Mathematics

2 answers:

Tju [1.3M]3 years ago

8 0

Answer:

Step-by-step explanation:

adding 2 to 2 gives you 4

WARRIOR [948]3 years ago

4 0

The answer to your question is 5 kdkwndisijjdjekjdhe

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Through: (2,5), perp. to y =- 2/3x +3

chubhunter [2.5K]

Find the equation of line passes through point (2, 5) and perpendicular to line having equation y =- 2/3x +3

<h3><u>Answer:</u></h3>

The equation of line passes through point (2, 5) and perpendicular to line having equation y =- 2/3x +3 in slope intercept form is $y = \frac{3}{2}x + 2$

<h3><u>Solution:</u></h3>

Given that line passes through (2, 5) and perpendicular to line having equation $y = \frac{-2}{3}x + 3$

Let us first find slope of original line

<em><u>The slope intercept form of line is given as:</u></em>

y = mx + c ------ eqn 1

Where "m" is the slope of line and "c" is the y - intercept

On comparing the slope intercept form y = mx + c and given equation of line $y = \frac{-2}{3}x + 3$ we get

$m = \frac{-2}{3}$

Thus slope of given line is $m = \frac{-2}{3}$

We know that product of slopes of given line and slope of line perpendicular to given line is always -1

Slope of given line x slope of line perpendicular to it = -1

$\begin{array}{l}{\frac{-2}{3} \times \text { slope of line perpendicular to it }=-1} \\\\ {\text { slope of line perpendicular to it }=\frac{3}{2}}\end{array}$

Let us find equation of line with slope $m = \frac{3}{2}$ and passes through (2, 5)

Substitute $m = \frac{3}{2}$ and (x, y) = (2, 5)

$5 = \frac{3}{2} \times 2 + c\\\\5 = 3 + c\\\\c = 2$

<em><u>Thus the required equation of line is:</u></em>

Substitute $m = \frac{3}{2}$ and c = 2 in eqn 1

$y = \frac{3}{2}x + 2$

Thus the equation of line perpendicular to given line is found out

5 0

2 years ago

Some isosceles triangles are not equilateral. a true or b false

Bas_tet [7]

That's true. The definition of an isosceles triangle is that it has at least 2 sides equal in length. Therefore, isosceles can be equilateral, but equilateral cannot be isosceles.

8 0

3 years ago

HELP I NEED HELP ASAP

notsponge [240]

Answer:

3w² + 10w +8 (C)

Step-by-step explanation:

A rectangle has a length that is 3 times its width, w, in inches. The width is increased by 2 inches, and the length is increased by 4 inches. Which expression represents the area of the larger rectangle?

First, remember that the length of the first rectangle is 3 * w, or 3w.

Now, onto the second rectangle.

The width is increased by 2, so it becomes w + 2

The length is increased by 4, so it becomes 3w +4.

Area is length times width, so the area is

(w + 2)(3w + 4)

Simplify.

3w*w + 4*w + 2*3w + 2*4 =

3w² + 4w + 6w +8

3w² + 10w + 8, or C

8 0

2 years ago

Sara can finish 5 laps around the track in 6 minutes. What is her average speed in miles per hour, if it takes 12 laps around th

sveticcg [70]

9514 1404 393

Answer:

4 1/6 miles per hour

Step-by-step explanation:

6 minutes is 1/10 hour, so Sara's speed is ...

speed = distance/time

speed = (5/12 mi)/(1/10 h) = 50/12 mi/h

speed = 4 1/6 mi/h

Sara's speed is 4 1/6 miles per hour.

4 0

2 years ago

Is graph a proportional

klemol [59]

Yes, Graphs (depending on which one but I'm assuming your talking about coordinate grids) are proportional because they have on vertical and one horizontal line dividing them. They extend infinitely

5 0

3 years ago