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2 years ago

Simplify the expression :)

Mathematics

2 answers:

Juli2301 [7.4K]2 years ago

7 0

Answer:

x * (4xt + 11y).

Step-by-step explanation:

Step 1:

$((7xy-((x^2)*t))+4xy)+(5x^2*t)$

Step 2:

Pull out like factors:
$4x^2t + 11xy = x * (4xt + 11y)$

Final result:

$x * (4xt + 11y)$

o-na [289]2 years ago

6 0

Answer:

11xy + 4x²t

Step-by-step explanation:

We know that:

Given expression: 7xy - x²t + 4xy + 5x²t

Solution:

7xy - x²t + 4xy + 5x²t
=> 11xy - x²t + 5x²t
=> 11xy + 4x²t

Hence, the simplified expression is 11xy + 4x²t.

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3 years ago

P^3×q^2(p^4×q^n×r^3/r^-4)=p^7q^5r^7 What does n=

Juli2301 [7.4K]

Answer:

$n = 3$

Step-by-step explanation:

Given:

The equation given is:

$p^3q^2(p^4q^n\times \frac{r^3}{r^{-4}})=p^7q^5r^7$

We simplify the given equation using the following law of indices:

$a^m\times a^n=a^{m+n}\\\frac{a^m}{a^n}=a^{m-n}$

Therefore,

$p^{3+4}q^{n+2}\times r^{3-(-4)})=p^7q^5r^7\\p^7q^{n+2}r^7=p^7q^5r^7\\q^{n+2}=q^5$

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3 years ago

The percent increase in Americans in prison for drug related offenses from 1980 to 2015 was 1048%. In 1980 the number of America

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Answer: There were 469,532 American prison for drug related offenses in 2015.

Step-by-step explanation:

Since we have given that

Number of Americans in prison for drug related offenses in 1980 = 40,900

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So, Number of Americans who were in prison for drug related offenses in 2015 is given by

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Hence, there were 469,532 American prison for drug related offenses in 2015.

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3 years ago

A number line contains points Q, R, S, and T. Point Q is on the coordinate 24, R is on the coordinate 28, S is on the coordinate

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Answer:

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Step-by-step explanation:

QT has length 42-24 = 18.

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The length ST is 13/18 ≈ 72.2% of the length of QT.

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Answer:

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Step-by-step explanation:

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