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2 years ago

Principal is 8000 rupees ,rate is 12% and n is 1½

Mathematics

2 answers:

Tamiku [17]2 years ago

8 0

Answer:

480 ...12%9 of 8000 ÷2...

PtichkaEL [24]2 years ago

4 0

P=8000
r=12
n=1/2
t=1/2

$\\ \sf\longmapsto A=P\left(1+\dfrac{r}{n}\right)^{nt}$

$\\ \sf\longmapsto A=8000\left(1+\dfrac{12}{1/2}\right)^{\dfrac{1}{4}}$

$\\ \sf\longmapsto A=8000(1+24)^{0.25}$

$\\ \sf\longmapsto A=8000(25)^{0.25}$

$\\ \sf\longmapsto A=8000(2.23)$

$\\ \sf\longmapsto A=17840$

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3 years ago

6x1 + 9 x 1/10 + 8 x 1/100 + 3 x 1/1000=?

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Answer:

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Step-by-step explanation:

6*1=6

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2 years ago

From a piece of tin in the shape of a square 6 inches on a side, the largest possible circle is cut out. What is the ratio of th

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Answer:

$\sf \dfrac{1}{4} \pi \quad or \quad \dfrac{7}{9}$

Step-by-step explanation:

The width of a square is its side length.

The width of a circle is its diameter.

Therefore, the largest possible circle that can be cut out from a square is a circle whose diameter is equal in length to the side length of the square.

Formulas

$\sf \textsf{Area of a square}=s^2 \quad \textsf{(where s is the side length)}$

$\sf \textsf{Area of a circle}=\pi r^2 \quad \textsf{(where r is the radius)}$

$\sf \textsf{Radius of a circle}=\dfrac{1}{2}d \quad \textsf{(where d is the diameter)}$

If the diameter is equal to the side length of the square, then:
$\implies \sf r=\dfrac{1}{2}s$

Therefore:

$\begin{aligned}\implies \sf Area\:of\:circle & = \sf \pi \left(\dfrac{s}{2}\right)^2\\& = \sf \pi \left(\dfrac{s^2}{4}\right)\\& = \sf \dfrac{1}{4}\pi s^2 \end{aligned}$

So the ratio of the area of the circle to the original square is:

$\begin{aligned}\textsf{area of circle} & :\textsf{area of square}\\\sf \dfrac{1}{4}\pi s^2 & : \sf s^2\\\sf \dfrac{1}{4}\pi & : 1\end{aligned}$

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side length (s) = 6 in
radius (r) = 6 ÷ 2 = 3 in

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Ratio of circle to square:

$\implies \dfrac{28}{36}=\dfrac{7}{9}$

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1 year ago

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2 years ago

What is -5n+7<57 and 6n+2<8

pishuonlain [190]

Answer:

if -5n+7<57, then n>-10.

if 6n+2<8, then n<1.

Step-by-step explanation:

-5n+7<57

1. subtract 7 from both sides:

-5n+7 -7< 57 -7

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2. divide both sides by -5 (remember to flip the sign whenever you divide by a negative number):

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1. subtract 2 from both sides:

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2. divide both sides by 6:

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