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2 years ago

5

Jackie has a square wall that she covered using 130.5 square feet of fabric without any overlap . Whic measurement is closest to

the side length of this wall?

1 answer:

dem82 [27]2 years ago

5 0

Answer:

32.625

Step-by-step explanation:

a square has all equal side so u divieded the amount of she used by 4

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Find the distance between his house

Hunter-Best [27]

Here we are supposed to find the distance between the two points

Suppose A=(-8,-9), B=(-4,-10)

Now As per the distance formula we know that the distance between two points is given by the formula

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2 years ago

Which statements are true about the graph of f(x)=sec(x) ?<br><br> Select each correct answer.

umka21 [38]

Answer:

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2 years ago

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Someone please help I'll give brainliest for questions 11 and 12

Nostrana [21]

Answer:

Step-by-step explanation:

11.

to find floor area:

= 8 x 8

= 64

= Floor is 64m.

to find carpet: 8 x 8 x 75%

= 64 x 75%

= 64 x 0.75

= 48

a. The dimensions of the carpet are probably 8 by 8.

b. The area of the floor not covered by carpet is 64, hence 8 x 8.

12.

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Eight times eight fits the requirements, so this square is in fact perfect.

Have a lovely day!

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3 years ago

If 3x - 2y = 9 , 27x³- 8y³= 1377 , prove that xy = 4 <br><br><br><br>plzz answer this question...

solniwko [45]

Step-by-step explanation:

Here we are given that , the Value of

$3x - 2y = 9$
$27x^3 - 8y^3 = 1377$

And we need to find the prove that ,

$xy = 4$

We know a identity as ,

$(a-b)^3 = a^3-b^3-3ab(a-b)$

On cubing both sides of the given equation,

$(3x-2y)^3 = 9^3$

Simplify and then substitute ,

$27x^3-8y^3 -3(3x)(2y)(3x-2y ) = 729$

$1377 - 18xy (9) = 729$

$162xy = 1377-729$

$xy =\dfrac{648}{162}$

$xy = 4$

Hence Proved !

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3 years ago

Ms. Allen makes beaded purses. She used 4,725 beads to make 3 identical purses (they are exactly the same and use the same numbe

solong [7]

4,725 divided by 3 equals 1,575

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2 years ago