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3 years ago

11

if you use 8 pieces of stained glass to make a stained glass window. How many pieces of glass will be needed to make a window th

at is 864 square inches long

1 answer:

tamaranim1 [39]3 years ago

6 0

The answer is 108 pieces

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Find 15.75 divided by 0.25 using a giant one

alexandr402 [8]

I dont knwo what you mean by giant one but 15.75 divided by 0.25 is 63

6 0

4 years ago

disa [49]

<h3>Explanation:</h3>

There is a theorem :

$\mathbf{a^{2}-b^{2}=(a-b)(a+b)}$

Proof: open the brackets on right side of equality by using distributive property

RHS = a(a+b) - b(a+b)

RHS = $\mathrm{a^{2}+ab-ab-b^{2}}$

RHS = $\mathrm{a^{2}-b^{2}}$ = LHS

Using the above theorem you can solve every question you asked:

$\mathrm{4x^{2}-1=(2x)^{2}-1^{2}=(2x-1)(2x+1)}$
$\mathrm{9x^{2}-64=(3x)^{2}-(8)^{2}=(3x-8)(3x+8)}$

$\mathrm{49x^{2}-121=(7x)^{2}-(11)^{2}=(7x-11)(7x+11)}$

$\mathrm{4x^{2}-y^{2}=(2x)^{2}-y^{2}=(2x-y)(2x+y)}$

$\mathrm{9x^{2}-b^{2}=(3x)^{2}-b^{2}=(3x-b)(3x+b)}$

$\mathrm{16x^{2}-9b^{2}=(4x)^{2}-(3b)^{2}=(4x-3b)(4x+3b)}$

$\mathrm{x^{2}-42^{2}=(x-42)(x+42)}$

6 0

4 years ago

X and Y coordinates which Way is ask and which Way is why is why upper down or is X upper down is why upper down or is X up or d

xeze [42]

X is side to side and Y is up and down. Hope this helps.

5 0

4 years ago

Read 2 more answers

#18 I need help please!

vlabodo [156]

4+3=12 3*3*3==27 12-27=-15 5*{-15}=-75

3 0

3 years ago

Identify the pattern then write the next three terms in each sequence 192,96,48,24,...

Karo-lina-s [1.5K]

1st. Find the pattern
Pattern is dividing by 2.
24/2=12
12/2=6
6/2=3

4 0

3 years ago