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Sergio039 [100]
3 years ago
8

A contractor is installing tiles on a floor that measures 132 x 216 inches. If each tile measures 4 x 4 inches, how many tiles w

ill the contractor use to cover the floor?
Mathematics
1 answer:
Kay [80]3 years ago
5 0

Answer:

1782 tiles

Step-by-step explanation:

Given that:

Dimension fo floor = 132 x 216 inches

Area of floor = 132 * 216 = 28512 in²

Dimension of tiles = 4 * 4 inches

Area of tiles = 4 * 4 = 16 in²

Number of tiles needed to cover floor :

Area of floor / Area of tiles

28512 in² / 16 in²

= 1782 tiles

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7 0
3 years ago
Dan was thinking of a number. Dan subtracts 2.6 from the number and gets an answer of 72.8. Form an equation with
nirvana33 [79]

Answer: x - 2.6 = 72.8

x is the number which Dan was thinking (x > 2.6)

we have:

x - 2.6 = 72.8

Step-by-step explanation:

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3 years ago
2x+(x+60)+x+y. solve for x
Anna35 [415]

Answer:

4x + 60 +y.

Step-by-step explanation:

ADD LIKE TERMS

"Like terms" are terms whose variables (and their exponents such as the 2 in x2) are the same. In other words, terms that are "like" each other

In this case, 2x + x +60 + x + y

Simplified is 4x + 60 +y.

6 0
4 years ago
Kevin earns $240,000 a year as a surgeon. He contributes $20,500 to
soldier1979 [14.2K]

Using proportions, it is found that his net pay is of $158,040.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

His first discount is for the retirement account, hence the taxable amount is:

T = 240000 - 20500 = $219,500.

He pays 28% of that in taxes, hence his net pay is of 100 - 28 = 72% of  $219,500, hence:

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More can be learned about proportions at brainly.com/question/24372153

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2 years ago
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stira [4]

Answer:

(a) Domain: x > 4

(b) Range: y < -2

Step-by-step explanation:

Domain is the set of x-values that can be inputted into function f(x).

Range is the set of y-values that can be outputted by function f(x).

We see that our x-values span from 4 to infinity. Since it is an open dot, we cannot include it in our domain:

(-4, ∞)

We also see that our y-values span from -2 to negative infinity. Since it is an open dot, we cannot include it in our range:

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