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KatRina [158]
2 years ago
7

What is the perimeter of an angle with a sides of 10cm, 15cm, 40cm and 5cm​

Mathematics
1 answer:
HACTEHA [7]2 years ago
8 0

Answer:

10 + 15 + 40 + 5 = 70cm

Step-by-step explanation:

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The Burns family went to breakfast at the huddle house. Mr. Burns ordered a meal for $7.75, Mrs. Burns ordered a meal for $ 9.50
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The bill excluding tax is $31.21 and the 20% tip was $6.24.

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The coordinates of three vertices of square ABCD are A(−212,112),B(−212,−3), and C(2,112).
Lady_Fox [76]

Answer:

<em>P=760</em>

Step-by-step explanation:

Three of the coordinates of the square ABCD are A(-212,112) B(-212,-3) C(2,112). The image below shows the square is not ABCD but ABDC. In fact, this is not a square, as we'll prove later.

Note the x-coordinate of A and B are the same. It means this side is parallel to the y-axis. Also, the y-coordinate of A and C are the same, meaning this side is parallel to the x-axis. The missing point D should have the same x-coordinate as C and y-coordinate as B, i.e. D=(2,-3).

This shape has sides that are parallel to both axes.

To calculate the perimeter we find the length of two sides.

The distance from A to B is the difference between their y-axis:

w=112-(-3)=115

The distance from A to C is the difference between their x-axis:

l=2-(-212)=215

It's evident this is not a square but a rectangle. The perimeter is

P=2w+2l=330+430

P=760

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3 years ago
M: -1/2 Point: (-1, 3) Solve for y=mx+b<br> Help
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y= (-1/2)x+(5/2)

Step-by-step explanation:

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(y-y1)=m(x-x1)

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y= (-1/2)x+(5/2)

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3 years ago
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im on the same question and i dont know ‍

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