3 years ago

What is 3(x + 1) = -2 (x - 1) + 6

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

4 0

Answer:

x=2/5

Step-by-step explanation:

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At what rate per annum ci will RS 2000 amount to RS 2315.35 in 3 years

Mashutka [201]

ANSWER:

Rate per annum at which CI will amount from RS 2000 to RS 2315.35 in 3 years is 5%

SOLUTION:

Given,

P = RS 2000

C.I = RS 2315.35

T = 3 years

We need to find the rate per annum. i.e. R = ?

We know that,

When interest is compound Annually:

$Amount $=\mathrm{P}\left(1+\frac{\mathrm{R}}{100}\right)^{n}$$

Where p = principal amount

r = rate of interest

n = number of years

$2315.35=2000 \times\left(1+\frac{R}{100}\right)^{3}$

$\left(1+\frac{R}{100}\right)^{3}=\frac{2315.35}{2000}$

$\left(1+\frac{R}{100}\right)^{3}=1.157$

$1+\frac{R}{100}=\sqrt[3]{1.157}$

$1+\frac{R}{100}=1.0500$

$\frac{R}{100}=1.05-1$

$\frac{R}{100}=0.05$

R = 5%

Hence, rate per annum is 5 percent.

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3 years ago

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katrin [286]

Step-by-step explanation:

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3 years ago

A car travels distance of 340km at an average speed of 85km/h.How long does it take the car to travel in distance?

Naily [24]

Distance = speed x time

time = distance/speed
= 340/85
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2 years ago

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2.2x+4.4 whats the coeffficent and variable

mamaluj [8]

2.2(x+2) would be the answer of the problem

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3 years ago

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Alenkasestr [34]

Y=1/5x+3
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3 years ago