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Harrizon [31]
2 years ago
11

PLZ HELP GIVING ALL MY POINTS VERY URGENT

Mathematics
2 answers:
notka56 [123]2 years ago
4 0

Answer:

88ft²

Step-by-step explanation:

Hey There

So first we want to find the area of the square

to do that we do 8x8 which equals 64

then we want to find the area of the triangle

to do so we multiply the base (8) and the height and divide that by 2

8x6=48

48/2=24

then we add the two together

24+64=88

88ft² is your answer :)

xz_007 [3.2K]2 years ago
3 0

Answer:

hi I know that the other person already answered so I'm answering so u can give them brainliest

c::

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Answer:

a.V(x)=x(10-2x)(6-2x)

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Step-by-step explanation:

Dimensions of rectangular piece of cardboard=10\times 6

According to question

Length of box,l=10-2x

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Height of box,h=x

a.

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Volume of box=x(10-2x)(6-2x)

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b.Surface area of box=2(b+l)h+lb

Because the box has no lid

Substitute the values in the formula

Surface area of box=2(10-2x+6-2x)x+(10-2x)(6-2x)

Surface area of box=2(16-4x)x+60-20x-12x+4x^2

Surface area of box=32x-8x^2+60-32x+4x^2

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Surface area of box, S(x)=4(15-x^2)

4 0
3 years ago
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Answer:

We have to prove

sin⁡(α+β)-sin⁡(α-β)=2 cos⁡ α sin ⁡β

We will take the left hand side to prove it equal to right hand side

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=sin⁡(α+β)-sin⁡(α-β)      Eqn 1

We will use the following identities:

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Putting the identities in eqn 1

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