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Georgia [21]
3 years ago
11

Tara looks up hotel room prices for a holiday.

Mathematics
2 answers:
svetoff [14.1K]3 years ago
8 0
Regular price £80
Discount of 25%
Price is 25% of £80 which is £60
VAT is added to it which is 20% so 20% of £60 is £72
She wants the room for 7 days so 72 *7 £144
kvasek [131]3 years ago
6 0
£560 a night for 7 days
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A 4-- pounds bag of chocolate bars cost $16.24. What is the unit price
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Answer:

4.06 i think

8 0
2 years ago
SOLVE. integration of (1-v) /(1+v^2)
Marta_Voda [28]
I think you have to first separate the integral:1/(1+v^2) + v/(1+v^2),
so the integral of the first term is ArcTan (v) and for the integral of the second term i recommend you to do a change of variable:

y= 1+v^2
 so
 dy= 2v
 and
v= dy/2and then you substitute:v/(1+v^2) = (1/2)(dy/y)
and the integral is
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(1/2)(In [1+v^2])

so the total integral is:

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6 0
3 years ago
Read 2 more answers
6x-2y=24<br> how do u solve for y
Tatiana [17]
It's <span>Diophantine equation. 
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6=2*3
(-2)=(-1)*2

So, gcd(6,-2)=2
Now, the question is. Can we dived c=24, by gcd(6,-2) and in the end get integer?
Yes we can.
\frac{24}{2} =12
So, we can solve it.

Now is the formula:
{\displaystyle {\begin{cases}x=x_{0}+n{\frac {b}{\gcd(a,\;b)}}\\y=y_{0}-n{\frac {a}{\gcd(a,\;b)}}\end{cases}}\quad n\in \mathbb {Z} .}

Second, we need the first pair (x0,y0) 
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x=0
then
y=(-12)

Third, we gonna use that formula:
{\displaystyle {\begin{cases}x=-n}\\y=-3(4+n)}\end{case}\quad n\in \mathbb {Z} .}
Congratulations! We solve it.


8 0
3 years ago
Read 2 more answers
Divide 4 1/4 by 2. ​
Aleonysh [2.5K]
I’m pretty sure it’s 2 1/8
5 0
3 years ago
Ethan planted a tree that is 37.5 inches tall.if the tree grows 3 inches each year, how long will it take for the tree to reach
Mila [183]
First find out how many more inches it needs to grow, 54-37.5; It needs to grow 16.5 more inches. If it grows 3 inches a year then you have to do 16.5/3; 5.5. It will take 5.5 or 5 1/2 more years to grow to 54 inches.
5 0
3 years ago
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