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aleksley [76]
3 years ago
12

(3x^2y)(7x^2y)(-2x^2y)

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
3 0
(3x^2y)(7x^2y)(-2x^2y)=\\ \\=3\cdot 7\cdot (-2)\cdot x^2\cdot x^2\cdot x^2 \cdot y \cdot y \cdot y=\\ \\= -42\cdot x^{2+2+2}\cdot y^{1+1+1}=\\ \\=-42x^6y^3


UNO [17]3 years ago
3 0
<span>(3x^2y)(7x^2y)(-2x^2y)

=-42x</span>^2+ ^2x^2yyy

=-42x^6y^3
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Lee wants to collect 22 of a certain type of action figure. He had 11 of the figures, then got 3 more for his birthday. What dec
Shalnov [3]

To solve this problem, we must first find the fraction of action figures that Lee has gotten so far.  To do this, we will represent the number of action figures that Lee currently has in the numerator divided by the denominator, the total number of action figures that Lee is attempting to collect.

First, we must recognize that Lee currently has 11 action figures plus the 3 that he got for his birthday.  To find the total number of action figures that Lee has, we must add together these two parts.  

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3 years ago
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3 years ago
At what rate per annum ci will RS 2000 amount to RS 2315.35 in 3 years
Mashutka [201]

<u>ANSWER: </u>

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

<u>SOLUTION: </u>

Given,  

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T = 3 years

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

We know that,  

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

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

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

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

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

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

R = 5%

Hence, rate per annum is 5 percent.

3 0
3 years ago
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