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3 years ago

Hurry PLEASE?!

Mathematics

1 answer:

kvv77 [185]3 years ago

5 0

Thx for the free slot hehehehe

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A brand of clay brick tiles has the dimensions 3 5 8 by 7 5 8 by 1 2 inch. These thin bricks are commonly used for floors. Estim

raketka [301]

Answer: The cost to tile the floor is $318.24.

Step-by-step explanation:

Since we have given that

Dimensions of floor is 12 by 17 foot.

So, Area of floor would be

$12\times 17\\\\=204\ sq.\ foot$

As we know that 1 foot = 12 inch

So, Area of floor would be

$204\times (12)^2\\\\=204\times 144\\\\=29376\ sq.\ foot$

Dimension of brick tiles is given by

$3\dfrac{5}{8}\ by\ 7\dfrac{5}{8}\ by\ \dfrac{1}{2}$

So, Area of brick tiles is given by

$2(lb+bh+lh)\\\\=2(\dfrac{29}{8}\times \dfrac{61}{8}+\dfrac{61}{8}\times \dfrac{1}{2}+\dfrac{29}{8}\times \dfrac{1}{2})\\\\=2(\dfrac{1769}{64}+\dfrac{61}{16}+\dfrac{29}{16})\\\\=2\times \dfrac{1769+244+116}{64}\\\\=\dfrac{2129}{32}$

So, Number of clay brick would be

$29376\div \dfrac{2129}{32}\\\\=29376\times \dfrac{32}{2129}\\\\=\dfrac{29376\times 32}{2129}\\\\=441.53\\\\\approx 442$

cost of each clay brick = $0.72

So, Total cost of flooring would be

$442\times 0.72\\\\=\$318.24$

Hence, The cost to tile the floor is $318.24.

7 0

3 years ago

The coordinates of A after the reflection are The coordinates of A after the reflection are

eduard

Answer:

See explanation

Step-by-step explanation:

The question is incomplete, as the coordinate of A is not given.

However, the rule to follow has been stated in the question.

i.e.

$(x,y) \to (-x,y)$

Assume that:

$A = (2,5)$

After reflection, A will be:

$A =(-2,5)$

5 0

3 years ago

*please help asap* What are the 5 key features of a quadratic graph?

Gennadij [26K]

Answer:

$x-intercept\\y-intercept$
axis of symmetry
vertex
Domain and Range
Max and Min

Hope this helps!!!

3 0

3 years ago

1. Use the given data to make a scatter plot.

zmey [24]

Answer:

lets start a convo

Step-by-step explanation:

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4 years ago

7. Ned took a test with 25 questions. He lost 4

Alenkinab [10]

84 points lost overall

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3 years ago