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Westkost [7]
3 years ago
7

Anna spends her entire allowance one month. she spends 1/2 on new clothes, 1/6 on food, 1/9 on movies and 2/9 on music. how much

more does ahe spend on clothes than she does on movies?
a 1/3
b 7/18
c 5/18
d 1/9​
Mathematics
2 answers:
BabaBlast [244]3 years ago
8 0

Answer:

b. 7/18.

Step-by-step explanation:

That would be 1/2 - 1/9

= 9/18 - 2/18

= 7/18.

Debora [2.8K]3 years ago
7 0

Answer:

correct answer is option b(7/18)

Step-by-step explanation:

In this question we have given

Amount spends on food=\frac{1}{6}

Amount spends on Movies=\frac{1}{9}

Amount spends on Music=\frac{2}{9}

Difference of amound spend by Anna on cloths and movies=\frac{1}{2}-\frac{1}{9}

=\frac{9}{18}-\frac{2}{18}

=\frac{7}{18}

It means Anna spend \frac{7}{18} more amound on clothes than she spend on movies.

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Hamdan says that when you add fractions with the same denominator, you can add the numerators and keep the same denominator. Is
Elina [12.6K]

Answer:

Yes, Hamdan is correct.

Step-by-step explanation:

Let the two fractions are q/r and s/r.

Here, the denominator is same for both the fractions.

So, as we add them, add the numerators and the denominators remains same.

\frac{q}{r}+\frac{s}{r}\\\\=\frac{q + s}{r}

For example

\frac{3}{5}+\frac{4}{5}\\\\=\frac{3 + 4}{5}\\\\=\frac{7}{5}

So, Hamdan is correct.

6 0
3 years ago
Dan says 3/5 is the same as 3.5 is he correct
lys-0071 [83]
No, 3/5 is equal to 0.6
6 0
3 years ago
Find dy/dx using first principle<br>x+1/x​
JulsSmile [24]

Answer:

The derivative of the function is:

f'(x)=1-\frac{1}{x^{2}}

Step-by-step explanation:

The first principle is given by:

f'(x)=\frac{dy}{dx}=lim_{h\rightarrow 0}\frac{f(x+h)-f(x)}{h}

The function here is:

f(x)=x+\frac{1}{x}

Now, using the first principle we have:

f'(x)=lim_{h\rightarrow 0}\frac{(x+h)+\frac{1}{(x+h)}-x-\frac{1}{x}}{h}  

=lim_{h\rightarrow 0}\frac{h+\frac{1}{(x+h)}-\frac{1}{x}}{h}    

=lim_{h\rightarrow 0}\frac{h-\frac{h}{x(x+h)}}{h}    

=lim_{h\rightarrow 0}\frac{h(1-\frac{1}{x(x+h)})}{h}

=lim_{h\rightarrow 0}1-\frac{1}{x(x+h)}

=1-\frac{1}{x^{2}}

 

Therefore, the derivative of the function is:

f'(x)=1-\frac{1}{x^{2}}

I hope it helps you!  

 

6 0
3 years ago
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51*32/102=32/2=16.

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3 0
3 years ago
Is 3.113x10^22 smaller or bigger than 2.113x10^23
weqwewe [10]
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7 0
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