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3 years ago

A box contains 1212 square feet of tiles and costs $40.21. What is the approximate price per square foot?

Mathematics

1 answer:

Nikitich [7]3 years ago

7 0

Answer:

Well 40.21/12.5=3.217 so it is about $3.22 per sqr ft.

Step-by-step explanation:

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What is the solution of the inequality 9 - x^2<0?

Dmitry_Shevchenko [17]

Answer:

$x < -3\quad \mathrm{or}\quad \:x > 3$

Step-by-step explanation:

Given:

$9-x^2 < \:0$

Solve:

$\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}$

$9-x^2-9 < 0-9$

$\mathrm{Simplify}$

$-x^2 < -9$

$Multiply\:both\:sides\:by\:-1\:$

$\left(-x^2\right)\left(-1\right) > \left(-9\right)\left(-1\right)$

$\mathrm{Simplify}$

$x^2 > 9$

$\mathrm{For\:}u^n\: > \:a\mathrm{,\:if\:}n\:\mathrm{is\:even}\mathrm{\:then\:}u\: < \:-\sqrt[n]{a}\:or\:u\: > \:\sqrt[n]{a}$

$x < -\sqrt{9}\quad \mathrm{or}\quad \:x > \sqrt{9}$

$\sqrt{9}=3$

$x < -3\quad \mathrm{or}\quad \:x > 3$

~lenvy~

5 0

3 years ago

Find the GCF of 35, 60, and 25

user100 [1]

Answer:

5 is the GCF

Step-by-step explanation:

The factors of 35 are: 1,5,7,35

The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

The factors of 25 are: 1, 5, 25

The highest or greatest factors that all of them have in common is 5.

4 0

3 years ago

A triangle has side lengths of 7 in., 9 in., and 11 in. Determine whether this is a right triangle and why.

Harlamova29_29 [7]

Answer:

Not a right triangle. See below for my reasoning.

Step-by-step explanation:

If this is a right triangle, then the sum of the squares of the two shorter sides will equal the square of the longest side: 7^2 + 9^2 = 11^2 => 49 + 81 = 121 But this is false.

8 0

3 years ago

When twotwo basketball players are about to have a free-throw competition, they often draw names out of a hat to randomly selec

erica [24]

There are 2! = 2 ways to arrange the names of two basketball players in a hat.

Since, the are going to throw alphabetically, there is 1 way for the names to be arranged alphabetically.

Therefore, the probability that they shoot free throws in alphabetical order is $\frac{1}{2} = 0.5$

6 0

3 years ago

Whats 1/5 - 1/7 please can you tell me how to work it out thanks

Andrej [43]

Convert the fractions so they both have the same denominator (bottom part of the fraction)

1/5 = 7/35

This is because 5*7=35, so 1*7=7

1/7 = 5/35

This is because 7*5=35, so 1*5 =5

Then subtract the top numbers to get the answer:

$\frac{7}{35}-\frac{5}{35} = \frac{2}{35}$

3 0

3 years ago

Read 2 more answers