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3 years ago

Alan is tiling a 6 ft-by-8 ft rectangular floor with square

2 answers:

7 0

20 tiles to cover the floor
Explanation: 12inches=1ft
Floor:6ft8in
Three 4inch tiles=1ft
If there’s 18 4inch tiles that’s 6 ft
And 4x2=8 inches

lozanna [386]3 years ago

5 0

Answer:

he would need 21 tiles on each side. I think

Step-by-step explanation:

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How to find all real solutions

AlladinOne [14]

$\bf \sqrt{\sqrt{x-5}+x}=5\leftarrow \textit{squaring both sides}
\\\\
\sqrt{x-5}+x=25\implies \sqrt{x-5}=25-x\leftarrow \textit{squaring both sides}
\\\\
x-5=(25-x)^2\implies x-5=625-50x+x^2
\\\\
0=x^2-51x+630\implies 0=(x-30)(x-21)$

and surely you'd know what the roots are

7 0

3 years ago

Which value is a solution of the inequalityx∕5 + 2 ≤ 6?

avanturin [10]

Answer:

Step-by-step explanation

the answer comes to $x\leq 20$ and 15 is the only answer below 20

6 0

3 years ago

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A student started out poorly on his first mathematics test. However, he doubled his score on each of the next two tests. The thi

dsp73

His score is 50

How to:
First test grade:0
Second test grade:50
Third test grade: 100
Add all three and divide by 3

6 0

3 years ago

Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39. For any minutes over 200, Ben is cha

faltersainse [42]

Answer:

$\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.$

Step-by-step explanation:

We are given that Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39.

We are also told that For any minutes over 200, Ben is charged $0.35 per minute.

let x be the minutes used each month

So, if $x\leq 200$

So, coat will be $39

If $x>200$

So, Ben is charged $0.35 per minute

So, when $x>200$

So, charge = $39+(x-200)\times 0.35$

So, the piecewise functions accurately represents charges based on Ben's cell phone :

$\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.$

4 0

3 years ago

Read 2 more answers

Suppose two parallel lines are cut by a transversal. What angle relationships describe congruent angles in this context?

baherus [9]

Answer:

Corresponding angles

Step-by-step explanation:

In elementary geometry the word congruent is often used as follows.

Two line segments are congruent if they have the same length.

Two angles are congruent if they have the same measure.

Two circles are congruent if they have the same diameter.

The eight angles that are produced as a result of two parallel lines are cut by a transversal will together form four pairs of corresponding angles. Corresponding angles are congruent. All angles that have the same position with regards to the parallel lines and the transversal are corresponding pairs.

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3 years ago

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