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earnstyle [38]
4 years ago
14

A construction worker was covering the bathroom walls with tiles. He covered three-fifths of the wall with 50 tiles. How many ti

les will it take to cover the entire wall?
Mathematics
1 answer:
Eddi Din [679]4 years ago
3 0
It will take 83 1/3 tiles to fill the wall.

Let x be the entire wall:
3/5x = 50

Divide both sides by 3/5:
x = 50 ÷ 3/5
x = 50/1 ÷ 3/5
x = 50/1 × 5/3
x = 250/3 = 83 1/3
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Write an equation os the line that passes through the givin points (-2,7) (3,-3)
ryzh [129]
(-2,7)(3,-3)
slope(m) = (-3-7) / (3 - (-2) = -10/(3 + 2) = -10/5 = -2

y = mx + b
slope(m) = -2
use either of ur points (-2,7)...x = -2 and y = 7
now sub and find b, the y int
7 = -2(-2) + b
7 = 4 + b
7 - 4 = b
3 = b

so ur equation is : y = -2x + 3 or 2x + y = 3
3 0
3 years ago
Which equation has the solutions x = startfraction negative 3 plus-or-minus startroot 3 endroot i over 2 endfraction? 2x2 6x 9 =
Gennadij [26K]

The quadratic equation which matches given solution is x² + 3x + 3 = 0. Then the correct option is C.

<h3>What is a quadratic equation?</h3>

It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

We know that the formula

\rm x = \dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

The solutions are given below.

\rm x = \dfrac{-3 \pm \sqrt3 \iota }{2}

Then

1)  2x² + 6x + 9 = 0, the zeroes of the equation will be

\rm x = \dfrac{-6\pm 6\iota}{4}\\\\x = \dfrac{-3\pm 3 \iota}{2}

2)  x² + 3x + 12 = 0, the zeroes of the equation will be

\rm x = \dfrac{-3\pm \sqrt{39}\iota}{2}

3)  x² + 3x + 3 = 0, the zeroes of the equation will be

\rm x = \dfrac{-3\pm \sqrt3\iota}{2}

4)  2x² + 6x + 3 = 0, the zeroes of the equation will be

\rm x = \dfrac{-6\pm 2\sqrt{3}}{4}\\\\x = \dfrac{-3\pm \sqrt3 }{2}

More about the quadratic equation link is given below.

brainly.com/question/2263981

4 0
2 years ago
A PlayStation 5 cost $789.99. Sales tax is 8%. How much will you pay in sales tax?
Sonja [21]

Answer:

63.20

Step-by-step explanation:

Because you do 8% of 789.99 which equals 63.20

4 0
3 years ago
Read 2 more answers
How do you get from -4 to -1
lawyer [7]

Answer:

Well if you have -4 and want to get to -1 you can add +3 to -4 to get -1

Step-by-step explanation:

6 0
3 years ago
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A map of a city shaped like a rectangle is given below on a grid. In 2012, there were 570 people per square kilometer) living in
Ksivusya [100]
570 were in the population in 2012
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3 years ago
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