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katovenus [111]
3 years ago
14

I need urgent help plzz the answer will be marked as brainliest

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
6 0

  1. 51cm^2
  2. 27cm^2
  3. 78cm^2

to find the area of compound shapes, you break them apart and find each shapes area then add it together.

to find the area of a square, use A=l * w

to find the area of a triangle, use, A= 1/2 b * h

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3 years ago
Help please i have no idea how to do this
vekshin1

Answer: I'm not going to give out the answers but I'm happy to explain it and help you out if you're still confused. I'm a geometry honors student rn btw just so you know my credentials.

Step-by-step explanation:

To find slope and write it in slope-intercept form you first need to know the equation and what different variables represent.

y = mx + b is the equation for slope-intercept. You need to find what m and b are to right a slope-intercept equation. for example the first problem's answer is y = \frac{-1}{2}x + 1

m is slope which is the angle that the line is at. To find slope or m, you need to choose a point on the graph. Then, count the amount of spaces vertically and horizontally until the next point on the graph. When I say point, I'm referring to a place on the graph where the line cross perfectly over the intersection of two lines on the graph. Slope is always 'rise over run' meaning it is a fraction containing the amount up or down, over the amount left or right. For example, the first problem (the one on the top left) the slope is  \frac{-1}{2} .

b is the y-intercept. The y intercept where the line crosses the y-axis which is that bold line going up and down in the middle. For example in number one, the y-intercept is 1 because it is one unit up from the origin. (the origin is 0,0, or the very middle of the graph).

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
Can someone help me with this please?
worty [1.4K]
Answer:
a.) 33.51
b.) 8.38

The formula for finding the area of a sector is (angle)/360 • area of circle, so A is 33.51
As for the length of the sector, we need the circumference of the circle (which is 50.27). Then, we can do 360/60 to get 6. Now, we divide 50.27/6 to get the length of the sector. So, B is 8.38.
8 0
3 years ago
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