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3 years ago

If the compound interest paid for rupees 4000 is rupees 420 then find the

Mathematics

1 answer:

Tomtit [17]3 years ago

4 0

Answer:

$Amount = Rs4420$

Step-by-step explanation:

Given

$Principal = Rs4000$

$Interest = Rs420$

Required

Determine the amount paid

This is calculated as:

$Amount = Principal + Interest$

$Amount = Rs4000 + Rs420$

$Amount = Rs4420$

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What is the value of (-14^0)^-2?

posledela

Answer:

The value of given expression is 1.

Step-by-step explanation:

The given expression is

$(-14^0)^{-2}$

If a is a real number, then $a^0=1$ .

$(-1)^{-2}$ $[\because a^0=1]$

Using exponent property we get,

$(-1)^{-2}=\frac{1}{(-1)^2}$ $[\because a^{-n}=\frac{1}{a^n}]$

$(-1)^{-2}=\frac{1}{1}$

$(-1)^{-2}=1$

Therefore the value of given expression is 1.

6 0

3 years ago

Write the equation of a linear line that has a slope of 4 and has a y intercept of 3

Schach [20]

Linear line formula: y = mx + b

m = slope

b = y-intercept

In this case the question gives us what we need to substitute.

m = 4

b = 3

y = 4x + 3

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3 years ago

1/3+1/3x+8/3=-1/3(6x+11)

ivann1987 [24]

Answer:

x=-20/7 or -2.857

Step-by-step explanation:

bring like terms together in each side of the = side

then work the out

3 0

3 years ago

a particular submarine is 12 m long. A model of it was built with a scale of 1 cm: 3 m. How long is the model? Show all work.

slamgirl [31]

1cm : 3m

to get from 12m to 3m you have to divide by 4, so if:

3 x 4 = 12

then you do the same to the 1cm and you get:

1 x 4 = 4

Therefore:

1cm : 3m
4cm : 12cm

the model is 4cm

the answer is the above in bold
hope it helped :)
and sry if my explanation wasn't detailed enough or if i misunderstood the question

5 0

3 years ago

At a certain time of day, a tree that is x meters tall casts a shadow that is x−46x−46 meters long. if the distance from the top

Alexus [3.1K]

By the Pythagorean theorem,
.. x^2 +(x -46)^2 = (x +4)^2
.. 2x^2 -92x +2116 = x^2 +8x +16
.. x^2 -100x +2100 = 0
.. (x -50)^2 -400 = 0
.. x = 50 ±20 . . . . . only x=70 makes any sense in the problem

The height, x, of the tree is 70 meters.

5 0

3 years ago