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3 years ago

I need help with this

Mathematics

1 answer:

qwelly [4]3 years ago

8 0

The first diamond
   10
-2 -5
      -7
The second diamond
   13
-1    -13
   -14
The third diamond
   -10
      2 -5
   -3
Also please watch this video it will help promise:)
https://www.youtube.com/watch?v=IN-ZvCrkrno

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Answer:

b. x+y=18

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Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

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!!please, please help me!!

grigory [225]

Answer:

Length: 12

Width: 2 $\sqrt{10\\}$

Area: 24 $\sqrt{10\\}$

Step-by-step explanation:

We first find the points of C and D to find the length.

C: (-4,-5)

D: (2,-3)

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A: (2,9)

D: (2,-3)

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6 0

3 years ago

PLS HELP ME WITH THIS!!!!!! HOW DID THEY GET 80ft^2

noname [10]

$\huge \boxed{\mathfrak{Question} \downarrow}$

Determine the surface area of the right square pyramid.

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

The formula for finding the surface area of a right square pyramid is ⇨ b² + 2bl, where

b = base of the right square pyramid
l = slant height of the right square pyramid.

In the given figure,

base (b) = 4 ft.
slant height (l) = 8 ft.

Now, let's substitute the values of b & l in the formula & solve it :-

$\sf \: {b}^{2} + 2bl \\ = \sf \: {4}^{2} + 2 \times 4 \times 8 \\ = \sf \: 16 + 8 \times 8 \\ = \sf \: 16 + 64 \\ = \huge\boxed{\boxed{ \bf 80 \: ft ^{2} }}$

So, the surface area of the right square pyramid is 80 ft².

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3 years ago

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3 years ago