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ella [17]
3 years ago
14

A countable set of circles can completely cover the unit square

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
7 0
Where’s the question
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What would this question look like after we change the mixed number to improper & use KCF to rewrite the question?
iris [78.8K]

Answer:

The question 3\frac{1}{2}\div\frac{1}{3} after change the mixed number to improper & using KCF will become : \mathbf{=\frac{7}{2}\times \frac{3}{1}}

Option B is correct option.

Step-by-step explanation:

We need to change the mixed number to improper & use KCF to rewrite the question.

The expression is: 3\frac{1}{2}\div\frac{1}{3}

First converting mixed fraction into improper fraction

Multiply whole number with the denominator i,e (3*2=6) now add the numerator i.e (6+1) = 7/2

Solving:

3\frac{1}{2}\div\frac{1}{3}\\=\frac{7}{2}\div\frac{1}{3}

Using KCF

KCF stands fro Keep it, Change it, Flip it.

It is used when division sign is converted to multiplication the term (1/3) is reversed to (3/1)

So, our expression will be

=\frac{7}{2}\times \frac{3}{1}

So, The question 3\frac{1}{2}\div\frac{1}{3} after change the mixed number to improper & using KCF will become : \mathbf{=\frac{7}{2}\times \frac{3}{1}}

Option B is correct option.

5 0
3 years ago
What is 1/4 times 2/4
boyakko [2]
1/4= 0.25
2/4= 1/2 = 0.5
0.25 x 0.5 = 0.125
0.125 = 1/8
8 0
4 years ago
Wayne and Winston are scuba diving and are ascending to the surface. The function y = 30x − 105 represents Wayne’s elevation in
arsen [322]
The function that represents Wayne´s elevation:
y = 30 x - 105
The function that represents Winston´s elevation:
- 100 = 0 m + b
b = -100
-16 = 3m - 100
3 m = 84
m = 84 : 3 = 28
y = 28 x - 100
Surface level: y = 0
Wayne:
0 = 30 x - 105
x = 3.5 minutes
Winston:
0 = 28 x - 100
x = 3.57 minutes
If they both ascend at the same rate, Wayne will be first to the surface.
5 0
4 years ago
I forgot how to do smh. please help
Mazyrski [523]

\bf ~\hspace{7em}\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
~\hspace{4.5em}
a^n\implies \cfrac{1}{a^{-n}}
~\hspace{4.5em}
\cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\cfrac{y^3z^5}{y^4z}\implies \cfrac{y^3z^5}{y^4z^1}\implies \cfrac{z^5\cdot z^{-1}}{y^{-3}y^4}\implies \cfrac{z^{5-1}}{y^{-3+4}}\implies \cfrac{z^4}{y}

4 0
3 years ago
Need help pleases please
Gemiola [76]
The shape inside is a square - and squares have sides which are all equal. 
area is equal to length x width,
the length is 2 and the width is 2 so it equals 4.

I hope it's right
4 0
3 years ago
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