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m_a_m_a [10]
3 years ago
14

Which expression is equivalent to (4x^3y^5) (3x^5y)^2 ?

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
7 0
(3x^5y)^2=
3^2=9
(x^5)^2=x^10
y^2=y^2

(3x^5y)^2=9x^10y^2

9x^10y^2(4x^3y^5)=
9*4=36
x^10*x^3=x^13
y^2*y^5=y^7
9x^19y^2(4x^3y^5)= 36x^13y^7

Final answer: B
beks73 [17]3 years ago
3 0

Answer:  Option 'B' is correct.

Step-by-step explanation:

Since we have given that

(4x^3y^5).(3x^5y)^2

We will use "law of exponents" i.e.

(ab)^m=a^m\times b^m

so our expression becomes,

(4x^3y^5).(3x^5y)^2\\\\=4x^3y^5\times 3^2(x^5)^2y^2\\\\=4x^3y^5\times 9x^{10}y^2\\\\=36x^3y^5\times x^{10}y^2

Now. again we will use " Law of exponents" i.e.

a^m\times b^m

so, our expression becomes,

36x^3y^5\times x^{10}y^2\\\\=36x^{3+10}y^{5+2}\\\\=36x^{13}y^{7}

Hence, Option 'B' is correct.

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Which expression is equivalent to r^m ÷ r^n?
Andre45 [30]
R^m ÷ r^n is equal to r^(m-n). 

For example, 2^5 <span>÷ 2^3 = 2^2.
</span>
Is that what you mean?
7 0
3 years ago
Solve for x: 2x^5/3-22=464 a) x = 28 b) x = 27 c) x = ±27 d) x = ±28
Effectus [21]

Answer:

<h3>x = 27</h3>

Step-by-step explanation:

Given the expression {2x^{\frac{5}{3} }-22 = 464, we are to find the value of x in the expression. This is as shown below;

{2x^{\frac{5}{3} }-22 = 464

add 22 to both sides

{2x^{\frac{5}{3} }-22 = 464+22\\\\

{2x^{5/3} =486

divide both sides by 2

\frac{2x^{5/3}}{2} =\frac{486}{2}\\ x^{5/3} = 243

raise both sides to the power of 3/5

(x^{5/3})^{3/5} = (243)^{3/5}\\x = (\sqrt[5]{243}) ^3\\x = 3^3\\x = 27

Hence the value of x is 27

8 0
2 years ago
4/9x + 1/5x =58 need help solving this
iogann1982 [59]

Answer:

x=90

Step-by-step explanation:

First, it would help to make it so that the x's are not next to fractions. To do this, you can multiply all terms in the equation by 45. 45 is the closest common factor of 9 and 5, the denominators of the fractions. The answer would be;

20x+9x=2610

Then solve.

29x=2610

x=90

6 0
3 years ago
8c + c = what please help me i am doing test and need answer right now. like 4rl
lianna [129]

Answer: 8c

Step-by-step explanation:

We do not know the value of c or the other c.

So, the answer to the question is 8c. Hope it helped.

8 0
2 years ago
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Solve the inequality: -2z - 3 &lt; 5
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Answer:

z>-4

Step-by-step explanation:

6 0
2 years ago
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