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pochemuha
3 years ago
7

Add: (–21) + (–37) + (–15)

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0

Answer:

the answer is -73

Step-by-step explanation:


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Find the length of the diagonal AD in the pentagon ABCDE shown in the coordinate plane.
Xelga [282]

Answer:

\sqrt{73} units.

Therefore, Option C is correct.

Step-by-step explanation:

We have given a pentagon ABCDE

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That means we have to find the distance of AD

So, coordinates of A(1,6) and D(4,-2)

Using distance formula:

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Here,x_1=1,y_1=6,x_2=4,y_2=-2

On substituting the values we will get:

\sqrt{(4-1)^2+(-2-6)^2}

On simplification:

\sqrt{3^2+(-8)^2}

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\sqrt{73}.

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Therefore, Option C is correct.

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4 years ago
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Step-by-step explanation:

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Alecsey [184]
Wish I can help , but you didn’t show any fractions nor anything I can use to answer your question . Can you mark me brainliest for effort !?
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3 years ago
The perimeter of a square room is 24 m. What is the cost of flooring the room with redwood if the cost is $15.00 per square mete
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Step-by-step explanation:

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hope this helped ;)

8 0
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