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Aneli [31]
3 years ago
10

Am 18-foot piece of cotton cloth cost $15.84. What is the price per unit

Mathematics
1 answer:
german3 years ago
5 0
The answer is 0.88. First you would take 15.84 (or 1584 if you don’t like using the decimal point) and do a bit of long division till you come up with .88 or 88 as your answer.
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Simplify (square root 2)( square root of 2^3)
steposvetlana [31]

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\large\boxed{(\sqrt2)(\sqrt{2^3})=4}

Step-by-step explanation:

(\sqrt2)(\sqrt{2^3})\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{2\cdot2^3}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{2^{1+3}}=\sqrt{2^4}\\\\(1)=\sqrt{2^{2\cdot2}}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt{(2^2)^2}\qquad\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=2^2=4\\\\(2)=\sqrt{2\cdot2\cdot2\cdot2}=\sqrt{16}=6\ \text{because}\ 4^2=16

8 0
3 years ago
−t=9(t−10) what is t
Luda [366]

Answer:

t = 9

Step-by-step explanation:

<em>-t = 9(t - 10)</em>

First, distribute the 9.

<em>-t = 9t - 90</em>

Next, add subtract 9t from both sides.

<em>(-t) - 9t = (9t - 90) - 9t</em>

<em>-10t = -90</em>

Divide both sides by -10.  When you divide a negative by another negative, they cancel each other out.

<em>(-10t)/-10 = (-90)/(-10)</em>

<em>t = 9</em>

7 0
3 years ago
**PLEASE HELP ASAP** Terri is analyzing a circle, y^2 + x^2 = 36, and a linear function g(x). Will they intersect?
Alborosie
We analyze the linear function to find that it has equation y=x.  Drawing the line, we find that it will intersect the circle at negative and positive x-coordinates.

We can prove this by substituting y=x into the given equation:

x^2+x^2=36

2x^2=36

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x = \pm 3\sqrt{2}

Hence, x = 3\sqrt{2} or -\sqrt{2}, so there are both positive and negative values for x.
5 0
3 years ago
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