To which graph does the point (2, 4) belong?

Mathematics

2 answers:

irakobra [83]3 years ago

8 0

It belongs to the graph;
<span>y > 4x -5
</span>
On replacing the values of x and y;
4>4(2)-5
4>8-5
4>3

Novosadov [1.4K]3 years ago

7 0

Just a matter of subbing ur points in and seeing which one is correct

y > 4x - 5.....(2,4)
4 > 4(2) - 5
4 > 8 - 5
4 > 3 (correct)

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I’ll brainliest you please help me

elixir [45]

Answer:

Step-by-step explanation:

Using the pythagorean theorem, we can determine if these are right triangles or not.

equation: sqrt a^2+b^2=c

this means the square root of the two shortest sides squared must equal to the largest side, (the hypotenuese).

Work for C:

Squareroot of 32^2 + 24^2 = 40cm

8 0

3 years ago

What is the area of this figure?

KatRina [158]

Hi!

I have attached 2 images that should help you understand :)

First, look at the edits I made to the image you posted. I separated the shape into smaller shapes so that we can find the area of each individual one.

Let's start with the rectangle.

To find the area of a rectangle, multiply the width times the height.
10 · 4 = 40

Rectangle = 40cm

Next up, the red triangles.

I have included another image showing the triangles combined into rectangles. So we can find the area of the triangles just like we would rectangles!

(let me know if you don't understand how I found the width + height of the triangles)

5 · 10 = 50

Red triangles = 50cm

And finally, the green triangles.

8 · 7 = 56

Green triangles = 56cm

Add it all together and you get...

40 + 50 + 56 = 146

The answer to the question is 146cm.

Next time you are having trouble with something like this, picture the triangles as rectangles! :)